Load balancing BW data loads

Hi all,
I have a BW 3.5 system running on Oracle 9.2.0.5.
What I would like to do is to set BW to pick a particular R/3 application server for my data loads.
Is it possible?
Best Regards
Mark

Hi Mark,
Load balancing can be done at BW side to pick any specific application server.
You have an SAP BW system with several (application) servers. You would like to distribute the workload of the data loads and other data warehouse management activities in a way that fits your needs best. This could mean that you would like to have all processes distributed across all available servers or that you would like to have one dedicated server for these processes.
Check: [Load Balancing|http://www.scribd.com/doc/7838988/KnowHow-to-SAP-BW-Data-Load-Performance-Analysis-and-Tuning]
[Load balancing 1|http://rapidshare.com/files/157988927/load_balancing_in_BW_data_loads.pdf]
Hope it Helps
Srini

Similar Messages

Recommended configuration for load balanced Portal with load balancer, multiple gateways and multiple servers.

Does anyone have a recommended network, hardware and software configuration guide for a Portal installation running with multiple gateways load balanced (ie one URL) that talk to multiple servers?

David,
We've used Resonate (software) to load balance the gateways. It allows
you to group all the gateways under 1 virtual URL and load balance the
incoming connections over each gateway depending on the rules that you
define in Resonate. Look in the SUN portal whitepapers there is one that
talks about it specifically.
As far as load balancing the calls to the portals, the gateways will
automatically load balance across all the portals that they know about
using a simple round-robin rotation. You may be able to use Resonate in
front of the portals but you may need to activate persistance within
Resonate to ensure that the user always ends up on the portal that he
established his initial connection on (if you want that), check with Sun
on this one.
David Broeren wrote:
Recommended configuration for load balanced Portal with load balancer,
multiple gateways and multiple servers.
Does anyone have a recommended network, hardware and software
configuration guide for a Portal installation running with multiple
gateways load balanced (ie one URL) that talk to multiple servers?
Try our New Web Based Forum at http://softwareforum.sun.com
Includes Access to our Product Knowledge Base!

Resources for designing redundancy and load balancing among data centers

Hello all,
I'm looking for resources for designing redundancy and load balancing between two physically separate data centers. I'm looking for some "best practice" links, tips, or recommendations. Any suggestions are appreciated!
Thanks.

I think that we can do per packet load balancing by using CEF.
Please go to the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fswtch_c/swprt1/xcfcefc.htm#xtocid5
Also, you may need local director or distributed director. What resource/application is availalbe in the data centre? (e.g. http server, ftp server, TN3270 server, and so on)

How to automate the data load process using data load file & task Scheduler

Hi,
I am doing Automated Process to load the data in Hyperion Planning application with the help of data_Load.bat file & Task Scheduler.
I have created Data_Load.bat file but rest of the process i am unable complete.
So could you help me , how to automate the data load process using Data_load.bat file & task Scheduler or what are the rest of the file is require to achieve this.
Thanks

To follow up on your question are you using the maxl scripts for the dataload?
If so I have seen and issue within the batch (ex: load_data.bat) that if you do not have the full maxl script path with a batch when running it through event task scheduler the task will work but the log and/ or error file will not be created. Meaning the batch claims it ran from the task scheduler although it didn't do what you needed it to.
If you are using maxl use this as the batch
"essmsh C:\data\DataLoad.mxl" Or you can also use the full path for the maxl either way works. The only reason I would think that the maxl may then not work is if you do not have the batch updated to call on all the maxl PATH changes or if you need to update your environment variables to correct the essmsh command to work in a command prompt.

Dynamic Load Balancing vs Static Load Balancing

What do you guys recommend, Dynamic or Static Loading Balancing+Logon Groups? This is to be for 2 instances envoirnment. 1 Central and 1 Dialog.
Thank you,
Samer

I would say (as so often) - it depends.
If you CI also carries the batch and update processes and it's not overloaded one could add it to the logon group. If you have a heavy batch load (such as we have) and the CI is already loaded just use the DI for the interactive work.
Markus

Application Discovery and Load Balancer Service Application - Load Distribution

Hello,
We have a four server farm with no external load balancer. All of the servers are configured as WFEs.
Is there a console in central admin or in site settings where I can see which request goes to which server?
Many thanks,

Thank you Alex.
It has been set up this way ever since the application went live, why or who did this I do not know. The application is mainly used as a docu-share and there are a fair bit of users (~30,000) on it now. Bulk of the users access it once a month.
I think it probably is time to change this design as users have started complaining about slowness. We tried putting in an external load balancer, but it made things worse.

R1213 Load Balance using F5 load balancers on Sun/Linux

Hi,
We got below requirement to perform upgrade and applications Load Balance
1. Web and Courion services using F5 Load Balancers after R1213 Upgrade.
Any Idea bout Courion services and how we can perform Load Balance for its services on Apps R1213
The load balancers would be configured for sticky sessions for consistency.
2. How we can achive Load Balanced applications to SSL off-loading method.
3. What is the best methods and any whitepapers to achive the same.
Please let me know.
Thanks,
Bhargava

Any Idea bout Courion services and how we can perform Load Balance for its services on Apps R1213
The load balancers would be configured for sticky sessions for consistency.Please elaborate more on this.
2. How we can achive Load Balanced applications to SSL off-loading method.How To Redirect HTTP Traffic to HTTPS On A BIG-IP F5 Load Balancer [ID 889308.1]
3. What is the best methods and any whitepapers to achive the same.How To Check Session Persistence On BigIP F5, Cisco Ace, Citrix Netscaler or Radware AppDirector Load Balancer Appliances [ID 601694.1]
Tips and Queries for Troubleshooting Advanced Topologies [ID 364439.1]
You can find also more details in Steven Chan's Blog (search for load balancer) -- http://blogs.oracle.com/stevenChan/
Thanks,
Hussein

Two isp load balancing on ACE(load balancer)

hi
I don't know much about load balancer(ACE).
Is this is possible to load balance two isp's on load balancer (ACE). If so, how i can do so , any configuration example, or cisco document.

Wrong forum, post in "Datacenter". You can move your posting with the Actions panel on the right.

Manual load balancing or tnsnames load balancing

Hussein,
We have 2 nodes apps (apps1 and apps2 both on separate machine) connecting to a 2-node Rac database (db1 and db2 both on separate machine).
We want to implement loadbalancing on the 2 apps servers . I "heard" in can be done using the tnsnames.ora load balancer? Or I am just out of this world. :)
Thanks a lot,
Ms K

Hi;
Please check below and see its helpful:
11i RAC JDBC & Listener Load Balancing Configuration [ID 244366.1]
Implementing Load Balancing On Oracle E-Business Suite - Documentation For Specific Load Balancer Hardware [ID 727171.1]
Load Balancing in 11i [ID 148516.1]
How To Ensure Load Balancing Of Concurrent Manager Processes In PCP-RAC Configuration http://ID 762024.1
Configuring 11i For Load Balancing [ID 117421.1]
JSP Error After JDBC Load Balancing Implementation [ID 269208.1]
How To Setup Load Balance For Workflow 2.6.3 [ID 311803.1]
Regard
Helios

Full load - Every month data loading without deleting previous data

Dear SDN,
I am loading (Full load) Data from 001.2005 to 010.2007 using 0FI_GL_1 with the selection option Fiscal Year/Period (From : 001.2005 and To : 010.2007) ...
From next month (011.2007) onwards, when loading data everytime it deletes entire data and again loading (Since i have kept an option in Infopackage -- Datatargets Tab -- Delete entire content of datatarget)...
My doubt is wheather without deleting the whole data, can we load from next month data onwards...so, if that is the case shall i use Fiscal year/Period range ?? (or) should not use Fiscal year/Period range...
But the client needs data only from 001.2005 onwards not beyond that
Please help me to resolve this issue..
Help will be greatly appreciated with points...
Thanks....

Hello Venkat,
Unfortunately you can not do that way, because in period 11.2007 (assume this is the period that you want to newly load to cube.) there might be posting in previous period. And these postings made to previous period should also reflect to cube. Only way is delete and reload by using full.
Other option you might use a ODS before sending to cube. you might every time load full data, ODS key fields might be checked by system and neccesary inserts and updates will be done by system, so there wont be duplications. And finally only new data will be sent to cube as delta.
Sarhan.

Link Load balancing - Data center query

Dear all,
I have a query on link load balancing. My scenario goes like this. The customer has taken web hosting services from two data centers. When an user who is accessing the servcies available in primary data center gets disconnected due to say link failure. Then the services should be available continuosly from the secondary data center. All the services provided by the primary data center should be available now from the secondary data center without any down time. What device i should go for, for doing this link load balancing. After searching a lot in the web, i found this Cisco Global site selector which does the link load balancing between data centers. I want to know whether i have ended up with the right choice? Plz give your valuable suggestions for the correct device i should use for load balancing multiple data center.

That product can be quite good, I believe another company called F5 also makes good stuff in that arena... However, you have to remember that alot of this depends on what application you are doing on these servers. If you're running a service that only hosts static web pages, that's no problem. But, if you're going to be doing ecommerce where it needs to save the users "state" between page loads and such, that gets much more complex and you need to choose the right server software, such as Coldfusion or PHP or whatever to accomodate this too...

ACE load-balancing-Cookie problem

In our other load-balancing environments the load-balancer-cookie contains the encrypted (real) servername or ip-address.
We think it's the same on the cisco, for that reason it's in theory not possible, that there are two 'green'-cookies with different values in the same request.
There are only two possibilities how this could happen:
a) The healthmonitor (http_probe) fails, the loadbalancer 'thinks' that the realserver is down and redistributes the traffic.
But in that case we would expect, that the old cookie will be overwritten by the new one and not simply added to the http-header.
b) The predictor in the serverfarm chooses a new realserver within the same request.
If that is really the cause of that problem this would be bug in the cisco ace.
What we found out, is that the loadbalancer performs a 'Set-Cookie'-Operation an every request even if the client submits the cookie correctly.
For example:
GET /ips-opdata/scripts/jquery.js HTTP/1.1
Host: www.xxxxx.com
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.15) Gecko/20110303 Ubuntu/10.04 (lucid) Firefox/3.6.15
Accept: */*
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Referer: http://www.xxxxx.com/
Cookie: green=R339366665; JSESSIONID=28D91FC6FD62A3921354BB36826294C4
HTTP/1.1 200 OK
Set-Cookie: green=R339366665; path=/; expires=Tue, 29-Mar-2011 06:33:00 GMT
Server: Apache-Coyote/1.1
X-Powered-By: Servlet 2.4; JBoss-4.2.2.GA (build: SVNTag=JBoss_4_2_2_GA date=200710221139)/Tomcat-5.5
ETag: W/"72181-1298537508000"
Last-Modified: Thu, 24 Feb 2011 08:51:48 GMT
Content-Type: text/javascript
Content-Length: 72181
Date: Mon, 28 Mar 2011 06:15:19 GMT
As you can see the cookies: green=R339366665 is transmitted from the client, but the loadbalancer does a Set-Cookie Operation of the same cookie once again. This is an unexpected behaviour.
We hope that this helps you to figure out the reason of the problem.

The cookie is sent by the ACE on each response to refresh the timeout value on the client. The value of the cookie doesn't change. This is the expected behaviour and shouldn't break anything in the application / browser.
For browser-based applications, don't forget to add the "browser-expire" parameter to your cookie-based stickyness config.

Email send issue using "Mail Server Load balancer" (Cisco ACE 20)

Please let me know if someone have experienced this kind of issue or any suggestions.
The send email action was working file in MII with smtp mail server on port 25. Recently basis did a change in mail server ip address and they installed a new Load Balancer . The Load balancer is between SMTP and MII. After this change MII does not send email (unknown source error). now MII send email action has ip address or qualified path of Load balancer in MII send email configuration instead of direct ip address of SMTP server. Below is the error message in Net Weaver logs.
MII still sends email if direct ip address of email server provided but not through email Load balancer .
Any suggestions ?
Could not authenticate mail account (Unknown Source)
[EXCEPTION]
javax.mail.AuthenticationFailedException
at javax.mail.Service.connect(Service.java:319)
at javax.mail.Service.connect(Service.java:169)
at javax.mail.Service.connect(Service.java:118)
at com.sap.xmii.storage.connections.MailConnection.sendMail(MailConnection.java:202)
at com.sap.xmii.bls.executables.actions.mail.MailActions.send(MailActions.java:223)
at sun.reflect.GeneratedMethodAccessor1412.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.sap.xmii.bls.engine.ReflectiveAction.doExecute(ReflectiveAction.java:747)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseAction.execute(BaseAction.java:76)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runAction(ProductionRunner.java:147)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:50)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Switch.doExecute(Switch.java:131)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:122)
at com.sap.xmii.bls.executables.controls.Repeater.doExecute(Repeater.java:113)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.RootNode.execute(RootNode.java:39)
at com.sap.xmii.bls.engine.TransactionInstance.execute(TransactionInstance.java:1001)
at com.sap.xmii.bls.engine.TransactionInstance.run(TransactionInstance.java:680)
at com.sap.xmii.bls.executables.actions.logic.LogicActions.transaction(LogicActions.java:310)
at sun.reflect.GeneratedMethodAccessor387.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.sap.xmii.bls.engine.ReflectiveAction.doExecute(ReflectiveAction.java:747)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseAction.execute(BaseAction.java:76)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runAction(ProductionRunner.java:147)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:50)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.RootNode.execute(RootNode.java:39)
at com.sap.xmii.bls.engine.TransactionInstance.execute(TransactionInstance.java:1001)
at com.sap.xmii.bls.engine.TransactionInstance.run(TransactionInstance.java:680)
at com.sap.xmii.bls.executables.actions.logic.LogicActions.transaction(LogicActions.java:310)
at sun.reflect.GeneratedMethodAccessor387.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.sap.xmii.bls.engine.ReflectiveAction.doExecute(ReflectiveAction.java:747)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseAction.execute(BaseAction.java:76)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runAction(ProductionRunner.java:147)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:50)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:122)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:122)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.RootNode.execute(RootNode.java:39)
at com.sap.xmii.bls.engine.TransactionInstance.execute(TransactionInstance.java:1001)
at com.sap.xmii.bls.engine.TransactionInstance.run(TransactionInstance.java:680)
at com.sap.xmii.bls.executables.actions.logic.LogicActions.transaction(LogicActions.java:310)
at sun.reflect.GeneratedMethodAccessor387.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.sap.xmii.bls.engine.ReflectiveAction.doExecute(ReflectiveAction.java:747)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseAction.execute(BaseAction.java:76)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runAction(ProductionRunner.java:147)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:50)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:122)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:151)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:122)
at com.sap.xmii.bls.executables.controls.Conditional.doExecute(Conditional.java:158)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseControl.execute(BaseControl.java:127)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runControl(ProductionRunner.java:97)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:64)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.RootNode.execute(RootNode.java:39)
at com.sap.xmii.bls.engine.TransactionInstance.execute(TransactionInstance.java:1001)
at com.sap.xmii.bls.engine.TransactionInstance.run(TransactionInstance.java:680)
at com.sap.xmii.bls.executables.actions.logic.LogicActions.transaction(LogicActions.java:310)
at sun.reflect.GeneratedMethodAccessor387.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:592)
at com.sap.xmii.bls.engine.ReflectiveAction.doExecute(ReflectiveAction.java:747)
at com.sap.xmii.bls.engine.BaseNode.executeNode(BaseNode.java:198)
at com.sap.xmii.bls.engine.BaseAction.execute(BaseAction.java:76)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runAction(ProductionRunner.java:147)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:50)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.Sequence.execute(Sequence.java:59)
at com.sap.xmii.bls.engine.runners.ProductionRunner.runSequence(ProductionRunner.java:126)
at com.sap.xmii.bls.executables.sequences.RootNode.execute(RootNode.java:39)
at com.sap.xmii.bls.engine.TransactionInstance.execute(TransactionInstance.java:1001)
at com.sap.xmii.bls.engine.TransactionInstance.run(TransactionInstance.java:680)
at com.sap.xmii.Illuminator.connectors.Xacute.XacuteRequestHandler.processQueryRequest(XacuteRequestHandler.java:342)
at com.sap.xmii.Illuminator.connectors.Xacute.XacuteRequestHandler.QueryRequest(XacuteRequestHandler.java:135)
at com.sap.xmii.Illuminator.connectors.Xacute.XacuteConnector.doProcessRequest(XacuteConnector.java:86)
at com.sap.xmii.Illuminator.connectors.AbstractConnector.processRequest(AbstractConnector.java:83)
at com.sap.xmii.Illuminator.server.QueryEngine.run(QueryEngine.java:41)
at com.sap.xmii.Illuminator.services.handlers.IlluminatorService.processRequest(IlluminatorService.java:68)
at com.sap.xmii.Illuminator.services.ServiceManager.run(ServiceManager.java:68)
at com.sap.xmii.servlet.Illuminator.service(Illuminator.java:68)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.xmii.servlet.ServletRunner.run(ServletRunner.java:80)
at com.sap.xmii.servlet.ServletRunner.run(ServletRunner.java:44)
at com.sap.xmii.Illuminator.gui.irpt.ReportParser.processServletRequest(ReportParser.java:610)
at com.sap.xmii.Illuminator.gui.irpt.ReportParser.parseServletTag(ReportParser.java:276)
at com.sap.xmii.Illuminator.gui.irpt.ReportParser.parseFile(ReportParser.java:154)
at com.sap.xmii.Illuminator.gui.irpt.ReportParser.parse(ReportParser.java:119)
at com.sap.xmii.servlet.ReportServlet.service(ReportServlet.java:90)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.runServlet(FilterChainImpl.java:162)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:81)
at com.sap.xmii.system.SecurityFilter.doFilter(SecurityFilter.java:96)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:73)
at com.sap.xmii.system.SecurityFilter.doFilter(SecurityFilter.java:96)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:73)
at com.sap.xsrf.filter.XSRFProtectorFilter.doFilter(XSRFProtectorFilter.java:62)
at com.sap.engine.services.servlets_jsp.server.runtime.FilterChainImpl.doFilter(FilterChainImpl.java:73)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:468)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:298)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:399)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:388)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:48)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:84)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:244)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:78)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MemoryStatisticFilter.process(MemoryStatisticFilter.java:43)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:42)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:428)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:247)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:45)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:122)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:101)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:327)
Date:
2014-03-25
Time:
14:04:06:176
Category:
com.sap.xmii.storage.connections.MailConnection
Location:
com.sap.xmii.storage.connections.MailConnection
Application:
sap.com/xapps~xmii~ear
Thread:
Thread[HTTP Worker [@629095796],5,Dedicated_Application_Thread]
Data Source:
j2ee\cluster\server0\log\defaultTrace_00.trc
Arguments:
DSR Transaction:

Have a look at this thread please:
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/f11f3079-b04a-4a8e-b89e-d56eb0532c42/the-mail-could-not-be-sent-to-the-recipients-because-of-the-mail-server-failure-sending-mail-using?forum=sqldatabaseengine
Saeid Hasani [sqldevelop]

Load balancing of DB RAC using weblogic server

Hi All,
I want to test the load balancing of Data base RAC for my application. I got the box which is installed RAC in it with two nodes. I configured the multidatasource which points to individual data sources to each node.
Is this configuration is correct or not? to test the load balancing of the Database. I come to know that there is something called SCAN from oracle 11g but it is not supported 100% by web-logic server(we are using weblogic server 9.2MP3).
How many requests I made all the requests are going to the Node1 only not even one is gone to the node2. Any specific reason.
Thanks,
Venkat.

Another alternative is, keep the property file in any pre-defined location. Write a class which reads the properties from the file and returns the one which is requested by caller and deploy this class. Whenever you have to change the properties just update the property file on server and next call to fetch the property should return the updated one.
Downside of this approach is file I/O everytime. To overcome that you can actually "cache" the properties in a hashmap. Basically when any property if requested, first check the hashmap, if not found then only read from property file and also update in hash map. Next time same property will be returned from hash map itself. The hash map will be cleared at every server restart since its in the memory. You will also need to build a method to clear the hashmap when you update the values in the property file on server.
This solution would be suitable for small size files and when network overhead of calling a DB needs to be avoided.

Weird load balancing and paging: What is going on?

Hi,
We have EP 7 installed in our environment. The Portal has a Central Instance and two dialog instances. We are using NetScaler 7 as a load balancer. Our load balancer is currently configured with a weighted round-robin of 3:3:1. For all requests, 3 connections are set to each of the dialog instance with only 1 connection sent to the central instance.
We have recently received a monitoring report which indicates that, despite the load balancing configurations, one of the dialog instance (DI1) is having a higher CPU load. We assume this means that more requests are being sent to one particular instance. Comparing this report with the past reports we have received, this particular instance has been consistently getting higher CPU loads, which is puzzling. The dialog instances in our Portal setup do not do anything else, other than serving Portal requests. In other words, no third party applications are installed on these servers. We do not know why this particular instance is having a higher CPU load. Is there anything that we can do to find out why this instance keeps having a higher CPU load? Is there something we should be doing at the load balancer's end?
On a different note, the other dialog instance (DI2) is having high paging activities. From one of the posts in the forums, it seems to indicate that the high paging might be an indication that the Portal is undergoing some garbage collection activities. However, it does not make sense that only ONE instance is having high paging if garbage collection is carried out on. How is it that the rest of the instances are not having high paging issues? Has anyone come across this situation? What should we do to find out what is going on behind the screens?
Any suggestions/advice would be much appreciated.
Thank You.

Hi Dagfinn,
Many thanks for your reply.
Question1: How is NetScaler configured with regards to stickyness?
We have NetScaler Persistence turned on, so that users' requests are served by the same dialog instance from the beginning to the end. We found that if Persistence is not enforced, a user's request could be sent to a different dialog instance, which will cause data inconsistencies. Can this be counted as stickyness? I am not sure how Persistence is maintained. It could be possible that it is done via IP...I will find out more from my colleague, who is maintaining NetScaler.
I guess we will need to have monitoring tools in place to determine the actual load distribution, as you have suggested in Question 2. I guess we will have to consider the viable actions to be taken from what we shall observe...
Question 2: Can you get some data one how NetScaler is distributing the load in practice (not in theory, ie. configuration) ? (usually is a monitoring tool for this in such a product)
I believe my colleague has such tools. I will try to obtain the relevant data and make the appropriate analysis.
Question 3: How many server nodes do you have for the central instance and for the two dialog instances?
We have 1 server node in the central instance and 3 server nodes for each of the dialog instance.
Many thanks again on your suggestion to choose a better score other than weighted round-robin. We'll do the necessary analysis and decide a better score to use on NetScaler.
Edited by: Voon Siong Lum on Jan 17, 2008 1:51 AM

Load balancing BW data loads

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