Load balancing JMS listeners against AQ
10g Database, simple AQ defined (point to point)
10g App server (10.1.2) JMS Listener.
Two load balanced App servers, with the JMS listener deployed onto each server, each listening to single AQ queue.
Problem. It appears that each listener is picking up a message when placed on the AQ. I would have assumed that the first once it would "block" the second one from dequeing the message.
Is there a specific configuration/set-up we need to cause each of these listeners to "honer" the other one, and for the messages to be handled on by one of the listeners at a time?
_mike
Mike,
If your question has to do with Oracle Application Server, then there is the Oracle Application Server - General forum.
If your question has to do with AQ, then there is the Advanced Queueing forum.
In any case, I don't think it has to do with JDBC, does it?
Good Luck,
Avi.
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We have the following configuration and we are trying to troubleshoot what appears to be a load balancing issue.
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Once you have set 'x' consumer threads on a queue, it is upto messaging provider to decide which thread to deliver a particular message and you will hardly have any control over this. Since your 32 threads are listening on the same queue, MQ can select any thread for delivering the message and the behaviour could be non deterministic.
One option to change your design is to have a dispacther mdb which picks the messages off the MQ and then routes to a weblogic distributed destination and you can have your core mdb which does all processing listen to this distributed destination. You can enable load balancing when the disaptcher mdb routes the message to the distributed destination. Since dispatcher MDB is nothing more than a router, the unbalanced consumption off the MQ shouldn't seriously affect the server. -
JMS Clustering : Load Balancing expected Behaviour
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JoshHi All,
I have a Cluster with a 2 managed servers A and B . ConnectionFactory is deployed to the cluster and Server B hosts JMS Server.Destinations on the JMS Server are not distributed, but the JNDI Names of the same are replicated across the cluster.Both Load Balancing and server affinity are enabled on the connectionFactory(I hope these attributes are required only if the destinations are distributed).
An application containing MDBs and EJBs are deployed to the cluster and onMessage MDB looks up for a Facade and makes calls on it.An external java client sets up the initialContext based on the cluster address and starts sending messages to the destination
What should be the expected behaviour in this scenario ?According to my understanding,
-Eventhough, the connectionFactory is deployed across the cluster, since the physical destinations are available only in the weblogic server hosting the JMS Server(Server B), the actual message handling(MDB invocation) would be done only here.
-When the MDBs are invoked on serverB, it would performs a lookup for the Facade.Because of the colocation optimisation, the replica aware stub used would be the one in ServerB and henceforth all the method processing should be done on Server B.
Is this correct ? But this would also mean that no load balancing would happen because of the colocation optimisation ? Do i need to use a distributed destination to enable load balancing in this scenario ?
Any help would be greatly appreciated..
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Josh -
Hello,
When performing settings on JMS connection factory, one can set (check the "Load Balancing Enabled" option in the Configuration tab, Load Balance sub tab).
In the help documentation, we can read:
Specifies whether non-anonymous producers created through a connection factory are load balanced within a distributed destination on a per-call basis.
*If enabled, the associated message producers are load balanced on every send() or publish() .+
I have performed some tests and I don't see the expected behaviour that is to say load-balancing for each send or publish call.
So first what does mean "non-anonymous producers" ? Does that mean that we have to create JMS connection with username/password arguments ? If yes, I have used the same credentials than the ones used for the admin console and again I don't see load-balancing on physical queues belonging to one distributed queue !
Could you give, please, me advice on how to get the load-balancing working per send or publish call ?
Best Regards.Hello,
The content of the config.xml:
<?xml version='1.0' encoding='UTF-8'?>
<domain xmlns="http://xmlns.oracle.com/weblogic/domain" xmlns:sec="http://xmlns.oracle.com/weblogic/security" xmlns:wls="http://xmlns.oracle.com/weblogic/security/wls" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.oracle.com/weblogic/security/xacml http://xmlns.oracle.com/weblogic/security/xacml/1.0/xacml.xsd http://xmlns.oracle.com/weblogic/security/providers/passwordvalidator http://xmlns.oracle.com/weblogic/security/providers/passwordvalidator/1.0/passwordvalidator.xsd http://xmlns.oracle.com/weblogic/domain http://xmlns.oracle.com/weblogic/1.0/domain.xsd http://xmlns.oracle.com/weblogic/security http://xmlns.oracle.com/weblogic/1.0/security.xsd http://xmlns.oracle.com/weblogic/security/wls http://xmlns.oracle.com/weblogic/security/wls/1.0/wls.xsd http://www.bea.com/ns/weblogic/90/security/extension http://xmlns.oracle.com/weblogic/1.0/security.xsd">
<name>FRANCOISdomain</name>
<domain-version>10.3.2.0</domain-version>
<security-configuration>
<name>FRANCOISdomain</name>
<realm>
<sec:authentication-provider xsi:type="wls:default-authenticatorType">
<sec:control-flag>OPTIONAL</sec:control-flag>
</sec:authentication-provider>
<sec:authentication-provider xsi:type="wls:default-identity-asserterType">
<sec:active-type>AuthenticatedUser</sec:active-type>
</sec:authentication-provider>
<sec:authentication-provider xmlns:ext="http://www.bea.com/ns/weblogic/90/security/extension" xsi:type="ext:agent-authenticatorType">
<n1:name xmlns:n1="http://www.bea.com/ns/weblogic/90/security">OpenAMProvider</n1:name>
<n2:control-flag xmlns:n2="http://www.bea.com/ns/weblogic/90/security">OPTIONAL</n2:control-flag>
</sec:authentication-provider>
<sec:role-mapper xmlns:xac="http://xmlns.oracle.com/weblogic/security/xacml" xsi:type="xac:xacml-role-mapperType"></sec:role-mapper>
<sec:authorizer xmlns:xac="http://xmlns.oracle.com/weblogic/security/xacml" xsi:type="xac:xacml-authorizerType"></sec:authorizer>
<sec:adjudicator xsi:type="wls:default-adjudicatorType"></sec:adjudicator>
<sec:credential-mapper xsi:type="wls:default-credential-mapperType"></sec:credential-mapper>
<sec:cert-path-provider xsi:type="wls:web-logic-cert-path-providerType"></sec:cert-path-provider>
<sec:cert-path-builder>WebLogicCertPathProvider</sec:cert-path-builder>
<sec:name>myrealm</sec:name>
<sec:password-validator xmlns:pas="http://xmlns.oracle.com/weblogic/security/providers/passwordvalidator" xsi:type="pas:system-password-validatorType">
<sec:name>SystemPasswordValidator</sec:name>
<pas:min-password-length>8</pas:min-password-length>
<pas:min-numeric-or-special-characters>1</pas:min-numeric-or-special-characters>
</sec:password-validator>
</realm>
<default-realm>myrealm</default-realm>
<credential-encrypted>{AES}mq1iuVKohqULL/lwkqBF0PCxYeSXcHavSgc2TO4mKEWr81KYRukVzT/6Icj2576UhryaX5E/RzUKDJUZrEWAshpbE9B023NHogEtz7K0XQhToHxukFCiBy5I5mM8XpN4</credential-encrypted>
<node-manager-username>myusername</node-manager-username>
<node-manager-password-encrypted>{AES}r3SsMwpQiaNUYrGsTljMgyB9i4A0TELOfOni+RxRP/0=</node-manager-password-encrypted>
</security-configuration>
<jta>
<timeout-seconds>120</timeout-seconds>
</jta>
<log>
<file-name>logs/FRANCOISdomain.log</file-name>
<rotation-type>bySize</rotation-type>
<number-of-files-limited>true</number-of-files-limited>
<file-count>7</file-count>
<file-min-size>20480</file-min-size>
<rotate-log-on-startup>true</rotate-log-on-startup>
<log4j-logging-enabled>false</log4j-logging-enabled>
</log>
<snmp-agent-deployment>
<name>ServerSNMPAgent-0</name>
<enabled>true</enabled>
<send-automatic-traps-enabled>true</send-automatic-traps-enabled>
<snmp-port>1610</snmp-port>
<snmp-trap-version>1</snmp-trap-version>
<community-prefix>public</community-prefix>
<community-based-access-enabled>true</community-based-access-enabled>
<snmp-engine-id>ServerSNMPAgent-0</snmp-engine-id>
<authentication-protocol>noAuth</authentication-protocol>
<privacy-protocol>noPriv</privacy-protocol>
<inform-retry-interval>10000</inform-retry-interval>
<max-inform-retry-count>1</max-inform-retry-count>
<localized-key-cache-invalidation-interval>3600000</localized-key-cache-invalidation-interval>
<snmp-access-for-user-m-beans-enabled>true</snmp-access-for-user-m-beans-enabled>
<inform-enabled>false</inform-enabled>
<master-agent-x-port>7050</master-agent-x-port>
<target>AdminServer</target>
</snmp-agent-deployment>
<server>
<name>AdminServer</name>
<log>
<name>AdminServer</name>
<file-name>logs/AdminServer__%yyyy%_%MM%_%dd%_%hh%_%mm%.log</file-name>
<rotation-type>bySize</rotation-type>
<file-min-size>20480</file-min-size>
<logger-severity>Info</logger-severity>
<log-file-severity>Notice</log-file-severity>
<stdout-severity>Notice</stdout-severity>
<domain-log-broadcast-severity>Notice</domain-log-broadcast-severity>
<memory-buffer-severity>Trace</memory-buffer-severity>
</log>
<listen-port>20001</listen-port>
<iiop-enabled>true</iiop-enabled>
<default-iiop-user>iiopuser</default-iiop-user>
<default-iiop-password-encrypted>{AES}v2+TWtuxeDCyJ5ztyFko4t3ISkqKnlXEGK350FHvCXM=</default-iiop-password-encrypted>
<listen-address>10.10.166.103</listen-address>
</server>
<server>
<name>managed1</name>
<reverse-dns-allowed>false</reverse-dns-allowed>
<native-io-enabled>true</native-io-enabled>
<thread-pool-percent-socket-readers>33</thread-pool-percent-socket-readers>
<max-message-size>10000000</max-message-size>
<max-http-message-size>-1</max-http-message-size>
<complete-message-timeout>60</complete-message-timeout>
<idle-connection-timeout>65</idle-connection-timeout>
<period-length>60000</period-length>
<idle-periods-until-timeout>4</idle-periods-until-timeout>
<dgc-idle-periods-until-timeout>5</dgc-idle-periods-until-timeout>
<ssl>
<enabled>true</enabled>
<hostname-verifier xsi:nil="true"></hostname-verifier>
<hostname-verification-ignored>false</hostname-verification-ignored>
<export-key-lifespan>500</export-key-lifespan>
<client-certificate-enforced>false</client-certificate-enforced>
<listen-port>20012</listen-port>
<two-way-ssl-enabled>false</two-way-ssl-enabled>
<server-private-key-alias>myhost.mycompany.com</server-private-key-alias>
<server-private-key-pass-phrase-encrypted>{AES}haHJwbqbttygoo71Dyb3dQck2VsEd1woFGijvFXM0sA=</server-private-key-pass-phrase-encrypted>
<ssl-rejection-logging-enabled>true</ssl-rejection-logging-enabled>
<inbound-certificate-validation>BuiltinSSLValidationOnly</inbound-certificate-validation>
<outbound-certificate-validation>BuiltinSSLValidationOnly</outbound-certificate-validation>
<allow-unencrypted-null-cipher>false</allow-unencrypted-null-cipher>
<use-server-certs>false</use-server-certs>
</ssl>
<log>
<file-name>logs/managed1_%yyyy%_%MM%_%dd%_%hh%_%mm%.log</file-name>
<rotation-type>bySize</rotation-type>
<number-of-files-limited>true</number-of-files-limited>
<file-count>7</file-count>
<rotation-time>00:00</rotation-time>
<file-min-size>20480</file-min-size>
<rotate-log-on-startup>true</rotate-log-on-startup>
<logger-severity>Debug</logger-severity>
<logger-severity-properties>com.iplanet=Debug;test.ejb=Debug;com.sun.indentity=Debug;org.apache.http=Debug;test.servlet=Debug</logger-severity-properties>
<log-file-severity>Debug</log-file-severity>
<stdout-severity>Debug</stdout-severity>
<domain-log-broadcast-severity>Debug</domain-log-broadcast-severity>
<domain-log-broadcast-filter xsi:nil="true"></domain-log-broadcast-filter>
<memory-buffer-severity>Debug</memory-buffer-severity>
<memory-buffer-filter xsi:nil="true"></memory-buffer-filter>
<log4j-logging-enabled>true</log4j-logging-enabled>
<redirect-stdout-to-server-log-enabled>false</redirect-stdout-to-server-log-enabled>
<domain-log-broadcaster-buffer-size>50</domain-log-broadcaster-buffer-size>
</log>
<max-open-sock-count>-1</max-open-sock-count>
<stuck-thread-max-time>600</stuck-thread-max-time>
<stuck-thread-timer-interval>60</stuck-thread-timer-interval>
<machine>FRANCOIS_Machine1</machine>
<listen-port>20011</listen-port>
<listen-port-enabled>true</listen-port-enabled>
<cluster>FRANCOIS_cluster</cluster>
<web-server>
<web-server-log>
<number-of-files-limited>false</number-of-files-limited>
</web-server-log>
<frontend-http-port>0</frontend-http-port>
<frontend-https-port>0</frontend-https-port>
<keep-alive-enabled>true</keep-alive-enabled>
<keep-alive-secs>30</keep-alive-secs>
<https-keep-alive-secs>60</https-keep-alive-secs>
<post-timeout-secs>30</post-timeout-secs>
<max-post-size>-1</max-post-size>
<send-server-header-enabled>false</send-server-header-enabled>
<wap-enabled>false</wap-enabled>
<accept-context-path-in-get-real-path>false</accept-context-path-in-get-real-path>
</web-server>
<server-debug>
<debug-scope>
<name>weblogic.security</name>
<enabled>false</enabled>
</debug-scope>
<debug-scope>
<name>weblogic.servlet</name>
<enabled>false</enabled>
</debug-scope>
<debug-scope>
<name>default</name>
<enabled>false</enabled>
</debug-scope>
<debug-scope>
<name>weblogic</name>
<enabled>false</enabled>
</debug-scope>
</server-debug>
<listen-address>host.mycompany.com</listen-address>
<accept-backlog>300</accept-backlog>
<login-timeout-millis>5000</login-timeout-millis>
<java-compiler>javac</java-compiler>
<tunneling-enabled>true</tunneling-enabled>
<tunneling-client-ping-secs>45</tunneling-client-ping-secs>
<tunneling-client-timeout-secs>40</tunneling-client-timeout-secs>
<server-start>
<java-vendor>Sun</java-vendor>
<java-home>/opt/32bit/jdk1.6.0_18</java-home>
<class-path>${CLASSPATH}:/opt/32bit/jdk1.6.0_18/lib/tools.jar:/product/DSL60/wlserver_10.3/server/lib/weblogic_sp.jar:/product/DSL60/wlserver_10.3/server/lib/weblogic.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/lib/agent.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/lib/openssoclientsdk.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/locale:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/Agent_002/config</class-path>
<bea-home>/product/DSL60</bea-home>
<root-directory>/product/DSL60/wls/domain/FRANCOISdomain</root-directory>
<security-policy-file>/product/DSL60/wlserver_10.3/server/lib/weblogic.policy</security-policy-file>
<arguments>-Dname=WL1_MYCOMPANY_PID -Dlog4j.configuration=file:///product/DSL60/wls/domain/FRANCOISdomain/lib/log4j.xml -Declipselink.register.run.mbean=true -Xms1024m -Xmx1024m -XX:MaxPermSize=256m -d32 -Doracle.net.tns.admin=/opt/oracle/11.2.0/network/admin/tnsname.ora -Djava.util.logging.config.file=/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/config/OpenSSOAgentLogConfig.properties -DLOG_COMPATMODE=Off</arguments>
<username>myusername</username>
<password-encrypted>{AES}+o7kEIuvUEC1C4IoVveulxKTyN3upgWDglcqqgOEwt4=</password-encrypted>
</server-start>
<jta-migratable-target>
<user-preferred-server>managed1</user-preferred-server>
<cluster>FRANCOIS_cluster</cluster>
</jta-migratable-target>
<low-memory-time-interval>3600</low-memory-time-interval>
<low-memory-sample-size>10</low-memory-sample-size>
<low-memory-granularity-level>5</low-memory-granularity-level>
<low-memory-gc-threshold>5</low-memory-gc-threshold>
<auto-kill-if-failed>true</auto-kill-if-failed>
<health-check-interval-seconds>30</health-check-interval-seconds>
<managed-server-independence-enabled>true</managed-server-independence-enabled>
<client-cert-proxy-enabled>false</client-cert-proxy-enabled>
<key-stores>CustomIdentityAndCustomTrust</key-stores>
<custom-identity-key-store-file-name>/product/FILES/PAF/cert/opensso.jks</custom-identity-key-store-file-name>
<custom-identity-key-store-type>JKS</custom-identity-key-store-type>
<custom-identity-key-store-pass-phrase-encrypted>{AES}yg0Tx8tcfZsqM2sYbfTPEDl7ceN5X5zUEALaBM58wS8=</custom-identity-key-store-pass-phrase-encrypted>
<custom-trust-key-store-file-name>/product/FILES/PAF/cert/opensso.jks</custom-trust-key-store-file-name>
<custom-trust-key-store-type>JKS</custom-trust-key-store-type>
<custom-trust-key-store-pass-phrase-encrypted>{AES}8Ghgu1RUTF7st3f69sZKdb6vTfWiFvk1g+CUi63utBA=</custom-trust-key-store-pass-phrase-encrypted>
<overload-protection>
<shared-capacity-for-work-managers>1111</shared-capacity-for-work-managers>
<panic-action>system-exit</panic-action>
<failure-action>no-action</failure-action>
<free-memory-percent-high-threshold>0</free-memory-percent-high-threshold>
<free-memory-percent-low-threshold>0</free-memory-percent-low-threshold>
</overload-protection>
</server>
<server>
<name>managed2</name>
<reverse-dns-allowed>false</reverse-dns-allowed>
<native-io-enabled>true</native-io-enabled>
<thread-pool-percent-socket-readers>33</thread-pool-percent-socket-readers>
<max-message-size>10000000</max-message-size>
<complete-message-timeout>60</complete-message-timeout>
<idle-connection-timeout>65</idle-connection-timeout>
<period-length>60000</period-length>
<idle-periods-until-timeout>4</idle-periods-until-timeout>
<dgc-idle-periods-until-timeout>5</dgc-idle-periods-until-timeout>
<log>
<file-name>logs/managed2_%yyyy%_%MM%_%dd%_%hh%_%mm%.log</file-name>
<rotation-type>bySize</rotation-type>
<number-of-files-limited>true</number-of-files-limited>
<file-count>7</file-count>
<rotation-time>00:00</rotation-time>
<file-min-size>20480</file-min-size>
<rotate-log-on-startup>true</rotate-log-on-startup>
<logger-severity>Debug</logger-severity>
<logger-severity-properties>org.apache.http=Error</logger-severity-properties>
<log-file-severity>Debug</log-file-severity>
<stdout-severity>Debug</stdout-severity>
<domain-log-broadcast-severity>Debug</domain-log-broadcast-severity>
<domain-log-broadcast-filter xsi:nil="true"></domain-log-broadcast-filter>
<memory-buffer-severity>Debug</memory-buffer-severity>
<memory-buffer-filter xsi:nil="true"></memory-buffer-filter>
<log4j-logging-enabled>true</log4j-logging-enabled>
<redirect-stdout-to-server-log-enabled>false</redirect-stdout-to-server-log-enabled>
<domain-log-broadcaster-buffer-size>50</domain-log-broadcaster-buffer-size>
</log>
<max-open-sock-count>-1</max-open-sock-count>
<stuck-thread-max-time>600</stuck-thread-max-time>
<stuck-thread-timer-interval>60</stuck-thread-timer-interval>
<machine>FRANCOIS_Machine1</machine>
<listen-port>20021</listen-port>
<cluster>FRANCOIS_cluster</cluster>
<web-server>
<web-server-log>
<number-of-files-limited>false</number-of-files-limited>
</web-server-log>
</web-server>
<listen-address>10.10.166.103</listen-address>
<accept-backlog>300</accept-backlog>
<login-timeout-millis>5000</login-timeout-millis>
<tunneling-enabled>true</tunneling-enabled>
<tunneling-client-ping-secs>45</tunneling-client-ping-secs>
<tunneling-client-timeout-secs>40</tunneling-client-timeout-secs>
<server-start>
<java-vendor>Sun</java-vendor>
<java-home>/opt/32bit/jdk1.6.0_18</java-home>
<class-path>${CLASSPATH}:/opt/32bit/jdk1.6.0_18/lib/tools.jar:/product/DSL60/wlserver_10.3/server/lib/weblogic_sp.jar:/product/DSL60/wlserver_10.3/server/lib/weblogic.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/lib/agent.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/lib/openssoclientsdk.jar:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/locale:/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/Agent_003/config</class-path>
<bea-home>/product/DSL60</bea-home>
<root-directory>/product/DSL60/wls/domain/FRANCOISdomain</root-directory>
<security-policy-file>/product/DSL60/wlserver_10.3/server/lib/weblogic.policy</security-policy-file>
<arguments>-Dname=WL1_MYCOMPANY_PID -Dlog4j.configuration=file:///product/DSL60/wls/domain/FRANCOISdomain/lib/log4j.xml -Declipselink.register.run.mbean=true -Xms1024m -Xmx1024m -XX:MaxPermSize=256m -d32 -Doracle.net.tns.admin=/opt/oracle/11.2.0/network/admin/tnsname.ora -Djava.util.logging.config.file=/product/FILES/PAF/j2ee_agents/weblogic_v10_agent/config/OpenSSOAgentLogConfig.properties -DLOG_COMPATMODE=Off</arguments>
<username>myusername</username>
<password-encrypted>{AES}AveXfjkD6M1nkwLoBOtN9QhrOA+C1d84AP+A2WThpN0=</password-encrypted>
</server-start>
<jta-migratable-target>
<user-preferred-server>managed2</user-preferred-server>
<cluster>FRANCOIS_cluster</cluster>
</jta-migratable-target>
<low-memory-time-interval>3600</low-memory-time-interval>
<low-memory-sample-size>10</low-memory-sample-size>
<low-memory-granularity-level>5</low-memory-granularity-level>
<low-memory-gc-threshold>5</low-memory-gc-threshold>
<auto-kill-if-failed>true</auto-kill-if-failed>
<health-check-interval-seconds>30</health-check-interval-seconds>
<managed-server-independence-enabled>true</managed-server-independence-enabled>
</server>
<cluster>
<name>FRANCOIS_cluster</name>
<cluster-address>10.10.166.103:20011,10.10.166.103:20021</cluster-address>
<default-load-algorithm>round-robin</default-load-algorithm>
<cluster-messaging-mode>unicast</cluster-messaging-mode>
<cluster-broadcast-channel></cluster-broadcast-channel>
<weblogic-plugin-enabled>true</weblogic-plugin-enabled>
<frontend-http-port>20011</frontend-http-port>
<frontend-https-port>20012</frontend-https-port>
<number-of-servers-in-cluster-address>1</number-of-servers-in-cluster-address>
</cluster>
<production-mode-enabled>false</production-mode-enabled>
<embedded-ldap>
<name>FRANCOISdomain</name>
<credential-encrypted>{AES}M6zrsdwO+PvT05M07l6QPOBMLacz4b6Z9+DT5EDxQPABYDdIzZbossnMLiXSSodJ</credential-encrypted>
</embedded-ldap>
<archive-configuration-count>3</archive-configuration-count>
<config-backup-enabled>true</config-backup-enabled>
<configuration-version>10.3.2.0</configuration-version>
<library>
<name>mycompany-domain-logging.jar#[email protected]</name>
<target>FRANCOIS_cluster</target>
<module-type xsi:nil="true"></module-type>
<source-path>servers/AdminServer/upload/mycompany-domain-logging.jar/app/mycompany-domain-logging.jar</source-path>
<security-dd-model>DDOnly</security-dd-model>
<staging-mode>stage</staging-mode>
</library>
<library>
<name>eclipselink-custom.jar#[email protected]</name>
<target>FRANCOIS_cluster</target>
<module-type xsi:nil="true"></module-type>
<source-path>servers/AdminServer/upload/eclipselink-custom.jar/app/eclipselink-custom.jar</source-path>
<security-dd-model>DDOnly</security-dd-model>
<staging-mode>stage</staging-mode>
</library>
<machine>
<name>FRANCOIS_Machine1</name>
<node-manager>
<nm-type>Plain</nm-type>
<listen-address>10.10.166.103</listen-address>
<listen-port>5566</listen-port>
</node-manager>
</machine>
<jms-server>
<name>JMSServer1</name>
<target>managed1</target>
<persistent-store>jdbcStore1</persistent-store>
</jms-server>
<jms-server>
<name>JMSServer2</name>
<target>managed2</target>
<persistent-store>jdbcStore2</persistent-store>
</jms-server>
<migratable-target>
<name>managed1 (migratable)</name>
<notes>This is a system generated default migratable target for a server. Do not delete manually.</notes>
<user-preferred-server>managed1</user-preferred-server>
<cluster>FRANCOIS_cluster</cluster>
</migratable-target>
<migratable-target>
<name>managed2 (migratable)</name>
<notes>This is a system generated default migratable target for a server. Do not delete manually.</notes>
<user-preferred-server>managed2</user-preferred-server>
<cluster>FRANCOIS_cluster</cluster>
</migratable-target>
<startup-class>
<name>AppenderStartup</name>
<target>FRANCOIS_cluster</target>
<class-name>com.mycompany.logging.AppenderStartup</class-name>
<load-before-app-deployments>true</load-before-app-deployments>
</startup-class>
<jdbc-store>
<name>jdbcStore1</name>
<prefix-name>jdbcStore1</prefix-name>
<data-source>technical_mycompany_noxa.ds</data-source>
<target>managed1</target>
</jdbc-store>
<jdbc-store>
<name>jdbcStore2</name>
<prefix-name>jdbcStore2</prefix-name>
<data-source>mycompany_noxa_failover.ds</data-source>
<target>managed2</target>
</jdbc-store>
<jms-system-resource>
<name>EclipseLink_Module</name>
<target>FRANCOIS_cluster</target>
<sub-deployment>
<name>DeployToCluster</name>
<target>FRANCOIS_cluster</target>
</sub-deployment>
<descriptor-file-name>jms/eclipselink_module-jms.xml</descriptor-file-name>
</jms-system-resource>
<jms-system-resource>
<name>TESTJMS</name>
<target>FRANCOIS_cluster</target>
<sub-deployment>
<name>TestQueueM1</name>
<target>JMSServer1</target>
</sub-deployment>
<sub-deployment>
<name>TestQueueM2</name>
<target>JMSServer2</target>
</sub-deployment>
<descriptor-file-name>jms/testjms-jms.xml</descriptor-file-name>
</jms-system-resource>
<admin-server-name>AdminServer</admin-server-name>
<jdbc-system-resource>
<name>mycompany_xa_failover.ds</name>
<target>FRANCOIS_cluster</target>
<descriptor-file-name>jdbc/mycompany_xa_failover2eds-4849-jdbc.xml</descriptor-file-name>
</jdbc-system-resource>
<jdbc-system-resource>
<name>mycompany_noxa_failover.ds</name>
<target>FRANCOIS_cluster</target>
<descriptor-file-name>jdbc/mycompany_noxa_failover2eds-3264-jdbc.xml</descriptor-file-name>
</jdbc-system-resource>
<jdbc-system-resource>
<name>technical_mycompany_noxa.ds</name>
<target>FRANCOIS_cluster</target>
<descriptor-file-name>jdbc/technical_mycompany_noxa2eds-3047-jdbc.xml</descriptor-file-name>
</jdbc-system-resource>
</domain>
Best Regards. -
OSB jms clustering - load balancing seems to be not working
Hi All,
I have one admin server and two managed servers running ( one of these managed server is running in the remote linux machine) in a cluster
I have connectionfactory created with load balance enabled with round robin
and server affinity is disabled
I have queue created as uniformly distributed Q
I have a proxy service with load balancing as roundrobin and endpoint URL as below
jms://rdoelapp001011:61703,rdoelapp001013:61703/synergyConnectionFactory1/MM_gridQ0
If I execute this proxy sending messages it always go to one server only. There is no message going to the other server.
If I shutdown the server that receives messages then the other server is receiving messages. Seems like fail-over is working but not the load-balancing
There is one point may be worth mentioning here is, from the admin console if I look at the servers for the clusters it has below information
Name State Drop-out Frequency Remote Groups Discovered Local Group Leader Total Groups Discovered Group Leaders Groups Primary
synergyOSBServer1 RUNNING Never 0 synergyOSBServer1 1 synergyOSBServer1 *{synergyOSBServer1}* 0
synergyOSBServer2 RUNNING Never 0 synergyOSBServer1 1 synergyOSBServer1 *{synergyOSBServer1, synergyOSBServer2}* 0
one server has groups as {synergYOSBServer1} instead of {synergyOSBServer1, synergyOSBServer2}. Does that look correct?
here is my jms xml file
<?xml version='1.0' encoding='UTF-8'?>
<weblogic-jms xmlns="http://xmlns.oracle.com/weblogic/weblogic-jms" xmlns:sec="http://xmlns.oracle.com/weblogic/security" xmlns:wls="http://xmlns.oracle.com/weblogic/security/wls" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.oracle.com/weblogic/weblogic-jms http://xmlns.oracle.com/weblogic/weblogic-jms/1.1/weblogic-jms.xsd">
*<connection-factory name="synergyConnectionFactory1">*
*<sub-deployment-name>synergySubDeploy1</sub-deployment-name>*
*<default-targeting-enabled>false</default-targeting-enabled>*
*<jndi-name>synergyConnectionFactory1</jndi-name>*
*<client-params>*
*<client-id-policy>Restricted</client-id-policy>*
*<subscription-sharing-policy>Exclusive</subscription-sharing-policy>*
*<messages-maximum>10</messages-maximum>*
*</client-params>*
*<transaction-params>*
*<xa-connection-factory-enabled>false</xa-connection-factory-enabled>*
*</transaction-params>*
*<load-balancing-params>*
*<load-balancing-enabled>true</load-balancing-enabled>*
*<server-affinity-enabled>false</server-affinity-enabled>*
*</load-balancing-params>*
*<security-params>*
*<attach-jmsx-user-id>false</attach-jmsx-user-id>*
*</security-params>*
*</connection-factory>*
<uniform-distributed-queue name="errorQ">
<sub-deployment-name>synergySubDeploy1</sub-deployment-name>
<default-targeting-enabled>false</default-targeting-enabled>
<jndi-name>errorQ</jndi-name>
<load-balancing-policy>Round-Robin</load-balancing-policy>
<forward-delay>-1</forward-delay>
<reset-delivery-count-on-forward>true</reset-delivery-count-on-forward>
</uniform-distributed-queue>
<uniform-distributed-queue name="undlvQ">
<sub-deployment-name>synergySubDeploy1</sub-deployment-name>
<default-targeting-enabled>false</default-targeting-enabled>
<jndi-name>undlvQ</jndi-name>
<load-balancing-policy>Round-Robin</load-balancing-policy>
<forward-delay>-1</forward-delay>
<reset-delivery-count-on-forward>true</reset-delivery-count-on-forward>
</uniform-distributed-queue>
*<uniform-distributed-queue name="MM_gridQ0">*
*<sub-deployment-name>synergySubDeploy1</sub-deployment-name>*
*<default-targeting-enabled>false</default-targeting-enabled>*
*<jndi-name>MM_gridQ0</jndi-name>*
*<load-balancing-policy>Round-Robin</load-balancing-policy>*
*<forward-delay>5</forward-delay>*
*<reset-delivery-count-on-forward>true</reset-delivery-count-on-forward>*
*</uniform-distributed-queue>*
<saf-imported-destinations name="synergySAFImportedDest1">
<sub-deployment-name>synergySubDeploy1</sub-deployment-name>
<default-targeting-enabled>false</default-targeting-enabled>
<saf-queue name="gridQ0">
<remote-jndi-name>MB_gridQ0</remote-jndi-name>
<local-jndi-name>gridQ0</local-jndi-name>
<non-persistent-qos>At-Least-Once</non-persistent-qos>
<time-to-live-default>0</time-to-live-default>
<use-saf-time-to-live-default>false</use-saf-time-to-live-default>
<unit-of-order-routing>Hash</unit-of-order-routing>
</saf-queue>
<jndi-prefix>MB_</jndi-prefix>
<saf-remote-context>synergySAFContext1</saf-remote-context>
<saf-error-handling>synergySAFErrorHndlr1</saf-error-handling>
<time-to-live-default>0</time-to-live-default>
<use-saf-time-to-live-default>false</use-saf-time-to-live-default>
<unit-of-order-routing>Hash</unit-of-order-routing>
</saf-imported-destinations>
<saf-remote-context name="synergySAFContext1">
<saf-login-context>
<loginURL>t3://rdoelapp001013:7001</loginURL>
<username>weblogic</username>
<password-encrypted>{AES}z9VY/K4M7ItAr2Vedvhx+j9htR/HkbY2LRh1ED+Cz5Y=</password-encrypted>
</saf-login-context>
<compression-threshold>2147483647</compression-threshold>
</saf-remote-context>
<saf-error-handling name="synergySAFErrorHndlr1">
<policy>Log</policy>
<log-format xsi:nil="true"></log-format>
<saf-error-destination xsi:nil="true"></saf-error-destination>
</saf-error-handling>
</weblogic-jms>
Any help will be greatly appriciated
Edited by: 818591 on Feb 16, 2011 11:28 AMI am not getting you here "the right approach is to make OSB run on the man server cluster and not on admin server. "
I have a jms proxy service that I created from admin console
And also I have gone thru the step 5 in the link below
http://download.oracle.com/docs/cd/E13159_01/osb/docs10gr3/deploy/config.html#wp1524235
If I am not wrong, the proxy service endpoint URI determines where it is pointing to. If it is a cluster environment, it should point to a clustered address
My proxy has below endpoint URI
jms://rdoelapp001011:61703,rdoelapp001013:61703/synergyConnectionFactory1/MM_gridQ0
and rdoelapp001011:61703,rdoelapp001013:61703 is my cluster address
As per your suggestion "To fix your problem, *make osb to run on the cluster* and specify the same URL for the jms proxy service"
Could you please provide some instruction how would I "make osb jms proxy service to run in a cluster"
As a note, I have Q defined as a distributed Q and connection factory targets to the cluster. UDQ also targtes to the cluster.
Just for a testing I have created another manged server running local to the machine where my admin server is running
And I created a proxy by following steps as I mentioned above and with endpoint URI as below
jms://rdoelapp001011:61703,rdoelapp001013:61703,*rdoelapp001011:61700*/synergyConnectionFactory1/MM_gridQ0
where the new address of my cluster is rdoelapp001011:61703,rdoelapp001013:61703,rdoelapp001011:61700
It did create consumers in both the managed servers in the cluster that are running locally, but no consumers in the remote managed server.
So I am kind of leaning towards thinking that there is some incorrect setup for the remote managed server and may be admin server is not able to communicate to the remote server for some reason but not sure about it..
As a note the cluster is setup to communicate using "unicast" channel
and I created a channel in each manged server with the same name
here is the cluster configuration
<name>synergyCluster1</name>
<cluster-address>rdoelapp001011:61703,rdoelapp001013:61703,rdoelapp001011:61700</cluster-address>
<default-load-algorithm>round-robin</default-load-algorithm>
*<cluster-messaging-mode>unicast</cluster-messaging-mode>*
*<cluster-broadcast-channel>synergyChannel1</cluster-broadcast-channel>*
*<number-of-servers-in-cluster-address>3</number-of-servers-in-cluster-address>*
</cluster>
here are the twoOSBserver configuration
<server>
<name>synergyOSBServer1</name>
<machine xsi:nil="true"></machine>
<listen-port>61703</listen-port>
<cluster>synergyCluster1</cluster>
<web-server>
<web-server-log>
<number-of-files-limited>false</number-of-files-limited>
</web-server-log>
</web-server>
<server-debug>
<debug-scope>
<name>weblogic.jms.saf</name>
<enabled>true</enabled>
</debug-scope>
<debug-jmssaf>true</debug-jmssaf>
<debug-saf-sending-agent>true</debug-saf-sending-agent>
</server-debug>
<listen-address>localhost</listen-address>
<network-access-point>
*<name>synergyChannel1</name>*
*<protocol>cluster-broadcast</protocol>*
*<listen-address>localhost</listen-address>*
*<listen-port>61702</listen-port>*
<http-enabled-for-this-protocol>true</http-enabled-for-this-protocol>
<tunneling-enabled>false</tunneling-enabled>
*<outbound-enabled>true</outbound-enabled>*
*<enabled>true</enabled>*
<two-way-ssl-enabled>false</two-way-ssl-enabled>
<client-certificate-enforced>false</client-certificate-enforced>
</network-access-point>
<jta-migratable-target>
<user-preferred-server>synergyOSBServer1</user-preferred-server>
<cluster>synergyCluster1</cluster>
</jta-migratable-target>
</server>
<server>
<name>synergyOSBServer2</name>
<ssl>
<enabled>false</enabled>
</ssl>
<machine xsi:nil="true"></machine>
<listen-port>61703</listen-port>
<listen-port-enabled>true</listen-port-enabled>
<cluster>synergyCluster1</cluster>
<web-server>
<web-server-log>
<number-of-files-limited>false</number-of-files-limited>
</web-server-log>
</web-server>
<listen-address>rdoelapp001013</listen-address>
<network-access-point>
*<name>synergyChannel1</name>*
*<protocol>cluster-broadcast</protocol>*
*<listen-address>rdoelapp001013</listen-address>*
*<listen-port>61702</listen-port>*
<http-enabled-for-this-protocol>true</http-enabled-for-this-protocol>
<tunneling-enabled>false</tunneling-enabled>
*<outbound-enabled>true</outbound-enabled>*
*<enabled>true</enabled>*
<two-way-ssl-enabled>false</two-way-ssl-enabled>
<client-certificate-enforced>false</client-certificate-enforced>
</network-access-point>
<java-compiler>javac</java-compiler>
<jta-migratable-target>
<user-preferred-server>synergyOSBServer2</user-preferred-server>
<cluster>synergyCluster1</cluster>
</jta-migratable-target>
<client-cert-proxy-enabled>false</client-cert-proxy-enabled>
</server>
<server>
Edited by: 818591 on Feb 18, 2011 11:26 AM -
Load balancing In weblogic 6.1 JMS Cluster
hi
i have implemented distributed queues in weblogic as suggested in the JMS performance
guide.but the problem is that of the 3 queues in cluster the messages always end
up going to the same queue and the remaining 2 remainin queues are empty. i want
to perfomr load balancing but i think this ios available only in weblogic 7.0.can
anyone suggest any alternative workaround ??
I wonder if the JNDINameReplicated setting is taking effect.
Are there any warning or error messages in your logs?
Can you see statistics for all three JMS servers on the console?
Does it work if you use the "./a" syntax?
illusionz70 wrote:
> hi,
> 3 machines are in a cluster.all three machines have their different jms servers
> and queues under them but target teh same connection factory.therefore all three
> servers target 3 different machines which are in a cluster. i have weblogic 6.1
> to which i applied the repective CR(patch) which enables the JNDIREPLICATED parameter.i
> set this parameter to false.as a result i am able to monitor the 3 queues which
> have the same jndi names but under different servers.but the problem is when i
> lookup the queues from client using the machine's ip address(not the cluster ip),
> the results are haywire.... even though i target say a ip of 30 , the msg goes
> to ip 20... i dont know why..do you have any idea.
> NOTE : i dont use the ./a ( where queue is the quename ) syntax in createqueue.
> i look up the queue using the JNDI name.
> thanks
> Tom Barnes <[email protected].bea.com>
> wrote:
>
>>Make sure that your context host and connection
>>factory (CF) host are actually the same as what
>>you're expecting.
>>
>>How, exactly, are your clients:
>> (A) looking up their context
>> (B) looking up their CF
>>
>>What are the targets for the CF?
>>What are the URLs for the servers?
>>What is the URL the clients are using? How is it
>>load-balanced among the servers?
>>Are the servers clustered?
>>
>>Tom
>>
>>illusionz70 wrote:
>>
>>
>>>hi
>>> i have implemented distributed queues in weblogic as suggested in
>>
>>the JMS performance
>>
>>>guide.but the problem is that of the 3 queues in cluster the messages
>>
>>always end
>>
>>>up going to the same queue and the remaining 2 remainin queues are
>>
>>empty. i want
>>
>>>to perfomr load balancing but i think this ios available only in weblogic
>>
>>7.0.can
>>
>>>anyone suggest any alternative workaround ??
>>
>
-
HI ,
I need to implement load balancing in JMS arch.
PFB the structure of my applications .
Application 1 and Application 2 are placed on different weblogic servers.
Application 3 is the common upstream for both the servers and is also placed on a different server .
The mode of comm. Between app3 app1 and app3-app2 is JMS .
Appl3 should be uniformly distributing the requests to both the servers (appl2 and appl1) . How can this kind of load balancing implemented in weblogic 9.1 and on jms interface .
I have tried using distributed queues but they can be used on the server only . Here all the applns are on different servers .
Please help if you know the solution .
Regards,
VaibhavHave a look at the documentation .
-
Load balance with JMS in cluster
I would like to develop a MDB listening to a topic, which can be deployed in a
weblogic cluster, so that whenever a message is published to that topic, one and
only one of the MDB in a wls server of the cluster will process the message, what
is the best way to do this?
thanks
Zhou
Do you desire a distributed topic that doesn't replicate
between topic members, but replicates
to all subscribers on a particular member?
If so, then a distributed topic is NOT
what you want to configure. Instead, you can do as you
suggest: set JNDINameReplicated to false
and put a same JNDI named topic on each server.
Tom
Tom Barnes wrote:
>
>
> x zhou wrote:
>
>> Can I do the following to achive what I want:
>
>
> I don't know what you want. But a message sent to a topic
> member still gets replicated to the other topic members.
>
> I'm guessing what you are looking for is a
> distributed queue, not a distributed topic. I suggest
> you look at the distributed queue option. A message
> sent to a distributed queue will only get processed
> by one MDB.
>
>>
>> 1) create a distributed topic having topic name "topic.distributed"
>> that has "topic.1"
>> and "topic.2" as its member on two wls instances in a cluster
>>
>> 2) write a MDB that will be deployed seperately to 2 wls instances in
>> the cluster,
>> with different weblogic-ejb-jar.xml file: the difference is at the line:
>>
>> <destination-jndi-name>topic.1</destination-jndi-name> for server 1;
>> <destination-jndi-name>topic.2</destination-jndi-name> for server 2;
>>
>> 3) create the publisher using the distributed topic (of jndi name
>> 'distribute.topic'),
>> according the document, it should send the message to one and only one
>> of its
>> member, and therefore the corresponding MDB in the wls instance of the
>> cluster
>> which receives the message will be notified
>>
>> and this will give me multi-threading in the same wls instance
>> (because of MDB)
>> and load-balancing across the whole cluster, right?
>>
>> Incidently, it looks like I can make the topic member's jndi name the
>> same, as
>> long as I un-check the "Replicate JNDI Name In Cluster" checkbox. Why
>> is there
>> such a box in the first place? Isn't the topic not clusterable?
>>
>> thanks
>>
>>
>> Tom Barnes <[email protected]> wrote:
>>
>>> (1) Currently, there is no way in WL to get multiple consumers to share
>>> a topic subscription - which is essentially what you are asking for.
>>> The JMS standard doesn't support this either. This is not to say
>>> that it wouldn't be a useful feature - I personally think it would be.
>>>
>>> (2) Why not use a queue?
>>>
>>> Tom
>>>
>>> X Zhou wrote:
>>>
>>>
>>>> I would like to develop a MDB listening to a topic, which can be
>>>> deployed
>>>
>>>
>>> in a
>>>
>>>> weblogic cluster, so that whenever a message is published to that
>>>> topic,
>>>
>>>
>>> one and
>>>
>>>> only one of the MDB in a wls server of the cluster will process the
>>>
>>>
>>> message, what
>>>
>>>> is the best way to do this?
>>>>
>>>> thanks
>>>>
>>>> Zhou
>>>
>>>
>>
>
-
WLS 5.1 JMS and Message load balancing
Would I be right in thinking that WLS 5.1 offers no out of the box component that distributes incoming messages over a series of JMS Destinations? (much like a distributed destination would do in WLS 8.1?)
Is it BEA's recommendation then that any JMS Client sending to these JMS destinations pick's up the responsibility for carrying out load balancing?
regards
BarryWould I be right in thinking that WLS 5.1 offers no > out of the box component that distributes incoming
> messages over a series of JMS Destinations? (much
> like a distributed destination would do in WLS 8.1?)
Yes.
>
>
> Is it BEA's recommendation then that any JMS Client
> sending to these JMS destinations pick's up the
> responsibility for carrying out load balancing?
Application dependent.
For example, you could set up an EJB that enqueues to the local queue - where the local queue's name is inferred from the server the EJB is running on.
Load balancing (and fail-over) would then be accomplished by invoking the EJB and depending on standard EJB features...
>
> regards
> Barry -
JMS cluster and distributed destination load balancing question
Hi All
Scenario: 2 WL 7 servers in cluster with distributed queue in both of them and
both the servers have an MDB deployed for the queue. Now if a producer in server
#1 writes to the Queue - he will write to the local queue - right?
In that case will the local MDB pick up the message or that can be load balanced?
OR the write it self can be load balanced?
I really want either the write or the read to be load balanced - but I suspect
server affinity will play a mess here. Can anyone pls clarify.
thanks
Anamitra
Hi All
Scenario: 2 WL 7 servers in cluster with distributed queue in both of them and
both the servers have an MDB deployed for the queue. Now if a producer in server
#1 writes to the Queue - he will write to the local queue - right?
In that case will the local MDB pick up the message or that can be load balanced?
OR the write it self can be load balanced?
I really want either the write or the read to be load balanced - but I suspect
server affinity will play a mess here. Can anyone pls clarify.
thanks
Anamitra
-
Cluster not load-balancing, ideas?
I've been struggling to identify why my JMS producers are not load-balancing against a remote cluster.
I've ruled out the producer as being the problem (I see the same non-load-balancing behavior regardless of what I use to create messages - Hermes, ALSB, simple Java producer...) I also don't think the JMS Connection Factory config is the problem, judging by the help I've received from folks over on the jms forum.
I believe something is wrong with our cluster setup because in addition to the problem I just mentioned, we also are not seeing JNDI entries propagate to all managed servers - for example, if I create one jms queue on m1, that queue does not appear in the jndi tree on m2.
I've been trying to find any documentation on what settings I should look at to verify the cluster configuration. If I go through the WLS console and look at the Cluster settings, I see both managed servers there, is there some other place that the configuration could be messed up?
Added 6/11, 9:30 am:
We're focusing on multicast now as the most likely problem. Can anyone tell me whether clusters on the same multicast address but different ports will interfere with each other? It looks like the infrastructure team has set up 5 clusters like that (same multicast address in each cluster, but different ports).
We've got a ticket open with BEA but it's been two weeks now and nothing except requests for more information.
Any ideas/help are much appreciated!
Meghan
Edited by pietila at 06/11/2008 7:38 AMMeghan Pietila wrote:
> I've been struggling to identify why my JMS producers are not load-balancing against a remote cluster.
>
> I've ruled out the producer as being the problem (I see the same non-load-balancing behavior regardless of what I use to create messages - Hermes, ALSB, simple Java producer...) I also don't think the JMS Connection Factory config is the problem, judging by the help I've received from folks over on the jms forum.
>
> I believe something is wrong with our cluster setup because in addition to the problem I just mentioned, we also are not seeing JNDI entries propagate to all managed servers - for example, if I create one jms queue on m1, that queue does not appear in the jndi tree on m2.
>
> I've been trying to find any documentation on what settings I should look at to verify the cluster configuration. If I go through the WLS console and look at the Cluster settings, I see both managed servers there, is there some other place that the configuration could be messed up?
>
> Added 6/11, 9:30 am:
> We're focusing on multicast now as the most likely problem. Can anyone tell me whether clusters on the same multicast address but different ports will interfere with each other? It looks like the infrastructure team has set up 5 clusters like that (same multicast address in each cluster, but different ports).
>
> We've got a ticket open with BEA but it's been two weeks now and nothing except requests for more information.
>
> Any ideas/help are much appreciated!
>
> Meghan
>
> --
> Edited by pietila at 06/11/2008 7:38 AM
You could be right. I think we have had problems where the same IP but
different ports were used for multicast. This is on 8.1 though.
I think as a rule, it's best to have a different ip and port for each
cluster.
Also - can you be sure that no one else is using the multicast addresses
on the network for anything else - we had someone bring up a test
cluster using our addresses which caused a few issues and took a while
to find! We also have security cameras which also use multicast, which
if they are using the same address/port can cause issues!
We're using 239.192.1.4:8001 for one cluster and 239.192.1.3:7001 for
the other - I think it's best to keep those as different as you can.
In 8.1, there is also the multicast monitor utility - there's a support
pattern on e-support on how to diagnose it. I've found this useful in
the past when I've suspected a cluster issue.
https://support.bea.com/application_content/product_portlets/support_patterns/wls/MulticastErrorsPattern.html
Check also that you're using a valid range for the address - we weren't
for a while and had odd problems from time to time.
There are also cluster debug flags available which you'll see listed in
the support document.
Are you seeing dropped multicast packets?
Hope that helps.
Pete -
How to use the Load Balancer Plug-in to serve multiple domains
In SJSAS8.1 SE/EE the asadmin commands that create and maintain a load balancer configuration operate within a domain. When the load balancer configuration is exported an xml file is created that contains all the information for that domain. To make the load balancer plug-in balance the load for multiple domains, the loadbalancer.xml files can be manually merged to conatin the data that is exported from each domain's load balancer configuration.
For example, 2 domains are created, both having a load balancing configuration. After exporting both configurations using the asadmin export-http-lb-config command, the user would then cut and past the cluster information into the single loadbalancer.xml file that resides under the web server's config directory.
An example of the manually merged loadbalancer.xml file follows:
<?xml version="1.0" encoding="UTF-8"?>
<loadbalancer>
<cluster name="domain1">
<instance disable-timeout-in-minutes="30" enabled="true" listeners="http://localhost:1026 https://localhost:38181" name="i1"/>
<instance disable-timeout-in-minutes="30" enabled="true" listeners="http://localhost:1027 https://localhost:38182" name="i2"/>
<web-module context-root="ab" disable-timeout-in-minutes="30" enabled="true"/>
<health-checker interval-in-seconds="5" timeout-in-seconds="60" url="/"/>
</cluster>
<cluster name="domain2">
<instance disable-timeout-in-minutes="30" enabled="true" listeners="http://localhost:1029 https://localhost:38189" name="i3"/>
<instance disable-timeout-in-minutes="30" enabled="true" listeners="http://localhost:1030 https://localhost:38188" name="i4"/>
<web-module context-root="webservice" disable-timeout-in-minutes="30" enabled="true"/>
<health-checker interval-in-seconds="5" timeout-in-seconds="60" url="/"/>
</cluster>
<property name="response-timeout-in-seconds" value="60"/>
<property name="reload-poll-interval-in-seconds" value="5"/>
<property name="https-routing" value="false"/>
<property name="require-monitor-data" value="false"/>
<property name="route-cookie-enabled" value="true"/>
</loadbalancer>
Hope this helps - MarkMark, be my savior, I work for SUN as subcontractor at client site. the only one at site ...so I depend on this forum for solutions........
still having trouble failingover to second instance. I have two AccessManagers behind this loadbalancer.
Here is what I saw......
**************LOGS**********************
[20/Jun/2005:14:22:47] failure (15102): for host 128.114.65.13 trying to GET /amconsole/base/AMA
dminFrame, service-passthrough reports: timed out waiting for request body
[20/Jun/2005:14:22:47] warning (15102): reports: lb.runtime: ROUT1014: Non-idempotent request /
amconsole/base/AMAdminFrame cannot be retried.
So I went and updated the loadbalancer.xml (see at the end of the msg). Now I get a different kind of problem...
**************LOGS******************************
[20/Jun/2005:15:25:18] failure (15295): for host 128.114.65.13 trying to GET /amconsole/base/AMA
dminFrame, service-passthrough reports: timed out waiting for request body
[20/Jun/2005:15:25:18] info (15295): reports: lb.runtime: RNTM3003 : Error servicing the request : NoVal
Here is my loadbalancer.xml file...
<loadbalancer>
<cluster name="cluster1">
<instance name="instance1" enabled="true" disable-timeout-in-minutes="1" listeners="http://idm-test-1.ucsc.
edu:80 "/>
<instance name="instance2" enabled="true" disable-timeout-in-minutes="1" listeners="http://idm-test-2.ucsc.
edu:80 "/>
<web-module context-root="amconsole" disable-timeout-in-minutes="1" enabled="true" error-url="sun-http-lber
ror.html" >
<idempotent-url-pattern url-pattern="/*" no-of-retries="3" />
</web-module>
<web-module context-root="amserver" disable-timeout-in-minutes="1" enabled="true" error-url="sun-http-lberr
or.html" >
<idempotent-url-pattern url-pattern="/*" no-of-retries="3" />
</web-module>
<web-module context-root="ampassword" disable-timeout-in-minutes="1" enabled="true" error-url="sun-http-lb
error.html" />
<web-module context-root="amcommon" disable-timeout-in-minutes="1" enabled="true" error-url="sun-http-lberr
or.html" >
<idempotent-url-pattern url-pattern="/*" no-of-retries="3" />
</web-module>
<health-checker url="/" interval-in-seconds="15" timeout-in-seconds="2" />
</cluster>
<property name="reload-poll-interval-in-seconds" value="60"/>
<property name="response-timeout-in-seconds" value="30"/>
<property name="https-routing" value="false"/>
<property name="require-monitor-data" value="true"/>
<property name="active-healthcheck-enabled" value="true"/>
<property name="number-healthcheck-retries" value="3"/>
<property name="route-cookie-enabled" value="true" />
</loadbalancer>
************************************************************** -
How to set up load balancing with overload server on css
can anyone tell me how to set up a load balancing config on css that will enable me to LB proxy caches and when they have too many connections then LB against an overload proxy-cache.
Such that when the normal proxy-cache farm is under the ceiling of max connections then the overload server is not used ?
I don't think redirect or sorry server will do this ?see the below configuration,any question,just tell me.
service proxy-1
! below is the real ip of server
ip address 10.1.1.1
keepalive type icmp
active
service proxy-2
ip address 10.1.1.2
keepalive type icmp
active
! enter owner config-mode
owner proxy
! define a content rule,match what you want to load balancing
content rule-proxy
! below is virtual ip,it can be another ip segment
vip address 10.1.1.50
add service proxy-1
add service proxy-2
protocol any
advanced-balance sticky-srcip
active
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