What is MTS & Parallel Server?

Hi! its Mohammad, I am am student, I'm really new to Oracle, would you please tell me what is Multi-Thread Server & what is Parallel Server? Thanks & Regards.

There is no "iOS Server" as such. If you mean OS X Server, in addition to the Wikipedia article see also:
http://www.apple.com/osx/server/
Regards.

Similar Messages

Newbie question about Oracle Parallel Server and Real Application Cluster

I am trying to find out what kind of storage system is supported by the 9i Real Applicaton cluster. I have looked at the 8i Oracle Parallel Server which requires raw partitions and therefore NAS (network attached storage) that provides an interface at the file level will not work. Does anyone know if the 9i Real Application cluster has a similar requirement for raw partitions? any suggestions of whether SAN or other technology will be suitable? pointers to more information is appreciated.
Robert

Hi Derik,
I know this is a really broad question. No, it happens all the time! Here is a similar issue:
http://blog.tuningknife.com/2008/09/26/oracle-11g-performance-issue/
+"In the end, nothing I tried could dissuade 11g from emitting the “PARSING IN CURSOR #d+” message for each insert statement. I filed a service request with Oracle Support on this issue and they ultimately referred the issue to development as a bug. Note that Support couldn’t reproduce the slowness I was seeing, but their trace files did reflect the parsing messages I observed."+
I would:
1 - Start by examining historical SQL execution plans (stats$sql_plan or dba_hist_sql_plan). Try to isolate the exact nature of the decreased performance.
Are different indexes being used? Are you geting more full-table scans?
2 - Migrate-in your old 10g CBO statistics
3 - Confirm that all init.ora parms are identical
4 - Drill into each SQL with a different execution plan . . .
Raid 5 Don't believe that crap that all RAID-5 is evil. . . .
http://www.dba-oracle.com/t_raid5_acceptable_oracle.htm
But at the same time, consider using the Oracle standard, RAID-10 . . .
Hope this helps . . .
Donald K. Burleson
Oracle Press author
Author of "Oracle Tuning: The Definitive Reference"
http://www.rampant-books.com/t_oracle_tuning_book.htm
"Time flies like an arrow; Fruit flies like a banana".

PARALLEL Table and Parallel Server (RAC)

I have the following in parameter for CPU in my oracle 10g server without RAC
SQL> show parameter cpu
NAME TYPE VALUE
cpu_count integer 24
parallel_threads_per_cpu integer 4
SQL>
Do I need to enable any other Oracle parameters for using parallel options in create table scripts?. This is to increase the DML performance in tables where more than 100+ processes is INSERTING /SELECTING Data.
I have parallel server parameters as shown below ?
parallel_automatic_tuning boolean FALSE
parallel_execution_message_size integer 2152
parallel_max_servers integer 480
parallel_min_percent integer 0
parallel_min_servers integer 0
parallel_server boolean FALSE
parallel_threads_per_cpu integer 2
Thanks in advance

prajithparan wrote:
I have the following in parameter for CPU in my oracle 10g server without RAC
SQL> show parameter cpu
NAME TYPE VALUE
cpu_count integer 24
parallel_threads_per_cpu integer 4
SQL> Using these settings you're going to get a default parallel degree of 4 * 24, which is 96. Since some SQL statements can have two streams of parallel execution (e.g. a group by operation) you might end up with up to 192 parallel slaves for a single SQL statement. Given the "parallel_max_servers" setting of 480 this means you can't execute more than 5 statements in best case, 2 statements in worst case simultaneously using parallel execution without a parallel degradation.
That can be fine but it's something you should consider depending on your requirements. You might want to define a non-default explicit lower parallel degree for some of your "smaller" large tables.
Do I need to enable any other Oracle parameters for using parallel options in create table scripts?. This is to increase the DML performance in tables where more than 100+ processes is INSERTING /SELECTING Data.Not sure what you want to say with this? Do you have more than 100 separate processes that are inserting/selecting data simultaneously? This has nothing to do with the "parallel" execution option which is about parallelizing the execution of a single SQL statement.
I have parallel server parameters as shown below ?
parallel_automatic_tuning boolean FALSE
parallel_execution_message_size integer 2152
parallel_max_servers integer 480
parallel_min_percent integer 0
parallel_min_servers integer 0
parallel_server boolean FALSE
parallel_threads_per_cpu integer 2 What do you mean by this? "Parallel Server" basically means "RAC", but you say you don't use RAC currently. The "parallel_threads_per_cpu" setting of "2" contradicts your above output of "4" shown, so I'm not sure what you intend to say with this.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

Parallels Server For Mac configuration (or any VM product), best practices

What is the recommended practice for configuring Parallels Server For Mac on an XServe? The xserve has 3 hard drive bays. What do most people do to maximize uptime, failover, disaster recovery, etc. We do have 3 different physical xserves with PSfM also.
Is a software RAID recommended for the boot OS drive? for the drive storing the VMs if not the same drive?
How are your hard drives configured?
I'm concerned that mirroring two 1TB hard drives and using that for both the host OS and for the VMs will present problems:
When creating new VMs, copying large amounts of data, etc, I'd guess that moving 10-100 GB of data is tasking for the software raid and will noticeably affect performance for all VMs.
If one of the mirrored drives fails and the raid needs to be rebuilt, this probably would bring the entire system to a crawl, at best, and possibly be unusable while it works to repair the raid. Thus it would have to be done during off peak hours. This would prevent a complete outage though.
are these correct assumptions?

Hello there,
There is no upgrade path from Server 2012 Essentials to R2. R2 is not an upgrade, it is a new build. Essentials does not upgrade easily, you will want to perform a migration of the server. This will require additional hardware. You
can possibly backup the 2012 Essentials, build a temp server on workstation hardware just to do the migration from, restore the backup to the new server and then perform the migration to R2.

Oracle 8 Enterprise/Parallel Server availability on Linux

I have not downloaded the Linux port of Oracle 8 yet so please
bear with me... I would like to know whether Oracle Parallel
Server
is included in the distribution for Linux. Specifically, I
would like to build a system that has a failover node for a
client with
high-availability/reliability needs. Has anyone done this on
Linux yet?
I have looked at the Marketing blurb on Oracle Parallel Server
and it looks like OPS should suit my purpose. Any comments?
Caveats?
Thanks in advance,
Ty Haeber
Quetzal Systems Inc.
Vancouver, B.C.
null

Bud Alverson (guest) wrote:
: The Beowulf project supports clustering with Linux. Redhat
even
: has a release called "Extreme" that supports it in a fashion.
: In fact, Los Alamos has achieved the upper tier of the top 500
: fastest supercomputers in the world using Linux (#114, see:
: http://www.top500.org/top500.list.html). It's named Avalon and
: has 140 Alphas clustered via Redhat Linux 5.0. Read about it
at:
: http://loki-www.lanl.gov/papers/sc98/
To run Oracle Parallel Server (OPS) on a Linux-Cluster you would
need (Virtual) Shared Disks with Concurrent Access from all
Cluster-Nodes. As far as I know Beowulf does not provide
(Virtual) Shared Disks (a la VSD/RVSD on RS/6000 SP). NFS, etc.
will not work as substitute for Virtual Shared Disks since Raw
Partitions (Logical Volumes) with Concurrent Access are needed.
Maybe DB2 UDB EEE (a Shared-Nothing architecture) might become
available more easily as MPP DBMS on Linux, since it does not
need (Virtual) Shared Disks.
: Bud Alverson
: CrossNet Communications
: Michael Daskaloff (guest) wrote:
: : Ty haeber (guest) wrote:
: : : I have not downloaded the Linux port of Oracle 8 yet so
: please
: : : bear with me... I would like to know whether Oracle
Parallel
: : : Server
: : : is included in the distribution for Linux. Specifically, I
: : : would like to build a system that has a failover node for a
: : : client with
: : : high-availability/reliability needs. Has anyone done this
on
: : : Linux yet?
: : : I have looked at the Marketing blurb on Oracle Parallel
: Server
: : : and it looks like OPS should suit my purpose. Any
: comments?
: : : Caveats?
: : : Thanks in advance,
: : : Ty Haeber
: : : Quetzal Systems Inc.
: : : Vancouver, B.C.
: : Dear friend,
: : what I'd tell you might be wrong but you might consider my
: words.
: : I'm not very knoledgable about linux but I think there is
: : currently no hardware and software to support clusters on
: linux.
: : I'm sure Oracle Corp. will do the most of them to make I
: : Parallel Server (I think, yet there is no Enterprise Edition
: for
: : Linux) option for Linux as soon as there is such a
combination
: of
: : hardware/software.
: : Meanwhile if you really need I working and stable solution
: : go get Dec Alpha or RS/6000. There is already Parallel Server
: : for NT, which IMO currently runs only on Compaq hardware.
: : However I think You'd better you UNIX for your Parallel
Server
: : enviroment.
: : If you just need to reduce downtime You can you a feature of
: : Oracle called 'Standby Database' which is available for all
: : versions and Editions of Oracle8 (including that for Linux).
null

Oracle Parallel Server

This is a question about availability of
Oracle Parallel Server on linux. I tried to
ask OTN but their answer was really strange :
they adviced me to go to discussion board!
I suppose that Parallel was not realized
for linux oficially yet but this is a possibility
to use server compiled for another OS as
it was with Informix on SCO. Please, could you clarify this question for me?

This is a lie on behalf of Oracle.
What they mean to say is they supply some of the underlying sub-systems such as Parallel server manager.
If you mean parallel server and not Oracle Failsafe, you need an OSD layer. This is a certified layer tested by Oracle for parallel operation. The guidelines for the exact kit will will run on are strick and it comes from your hardware suppliers. Compaq's is around 4k for example.
Hope this helps,
Pete

Oracle Parallel Server Overview PDF

The Oracle Parallel Server Overview PDF file seems corrupted; can't browse past page 1.
http://otn.oracle.com/deploy/availability/pdf/Oracle8i_Parallel_Server_Whitepaper.pdf
(from http://otn.oracle.com/deploy/performance/content.html)

I'm not sure what you did wrong, but I got OPS working fine under SuSE Linux 7.0.

Setting up oracle parallel server(ops)

hi
Can any one help me.
what is osd(operating system dependent) layer.How can I install this
from where would i get this.
This is asked while installing ops(oracle parallel server).
Thanks
from
pradeep

hi
Can any one help me.
what is osd(operating system dependent) layer.How can I install this
from where would i get this.
This is asked while installing ops(oracle parallel server).
Thanks
from
pradeep

Clustering vs. parallel server

Pardon me for asking silly questions. I need to clarify the following:
We are going to install the cluster server software for Oracle for solaris, which means we will have clustering option for our db. Currently we install Oracle8.1.7 Enterprise edition as a standalone db server. Does this same db can be used with the clustering software? Do I need to install oracle parallel server?
or is the enterprise edition same with parallel server?
Thanks
Minny

There is little point in clustering iAS for forms and reports, because the client connection will always crash if one node fails; the user will have to connect again. What I usually do is configure a load balancer (hardware or software) in front of the the two (or N) servers.

HACMP & Oracle's parallel server

Michelin Tire Corporation
At Michelin, we are trying to implement a failover
service object using Oracle 7.3 on RS6000 platform (AIX 4.1.4).
We understand that we need to use HACMP (Clustering) and
Oracle's parallel server. This way the DB Service objects
on two different computer nodes can access the same database.
Has anyone used this configuration? If so, have you had any
problems? and how well does it work?
We would appreciate any information on this subject.
Thanks in advance,
Thomas Sams

Tommy Sams wrote:
>
Michelin Tire Corporation
At Michelin, we are trying to implement a failover
service object using Oracle 7.3 on RS6000 platform (AIX 4.1.4).
We understand that we need to use HACMP (Clustering) and
Oracle's parallel server. This way the DB Service objects
on two different computer nodes can access the same database.
Has anyone used this configuration? If so, have you had any problems?
and how well does it work?
We would appreciate any information on this subject.
Thanks in advance,
Thomas SamsAt CSI, we have planned to use HACMP with Forte' failover to provide a
high availability architecture for one of our customer.
There are a lot of stuff to consider, some related to hacmp
configuration, some to forte' mechanisms.
In particular we should use HACMP for managing RDBMS backup and Forte'
capabilities to deal with partitions/envs/nodemgrs failover. We have not
take into account Oracle's parallel server at the moment ( althought it
could be a good solution ) because we don't really need to access oracle
from 2 different nodes at the same time, but "just" to have a "realtime"
dbms backup in case of primary server fault.
The architecure we choosen is based on tre AIX server ( 1 application
server, 1 main dbms server, 1 backup server ( oracle failover, envs
failover).
We have started testing it using forte 2.0.h, but we realized that a
more complete functionality will be offered using 3.0 KEEP_ALIVE
features. So I could give you more feedback in the near future.
What type of solution have you in mind ?
Regards
Fabrizio Barbero
Barbero Fabrizio
CSI-PIEMONTE
Cso Unione Sovietica 216
10134 Torino ITALY
tel: +39 11 3168515
fax: +39 11 3168212
e-mail: [email protected]

What are the SQL server versions those are compatible with XI 3.0.

Hi All,
Please suggest,
what are the SQL server versions those are compatible with XI 3.0.
or with which SQL server versions XI 3.0 will interact using JDBC Adapter.

Check in the [Product Availability Matrix |https://websmp201.sap-ag.de/~form/handler?_APP=00200682500000001303&_EVENT=DISP_NEW&00200682500000002804=01200314690900000192]in market place for more information on this
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What causes "Timed out server" in WL Cluster and a question about session in WL Cluster

          Hi.
          We are using Weblogic 5.1 with SP 8. We have been encountering a problem in our
          clustered environment. We setup our (clustered)environment to have 3 instances(WL1,
          WL2, WL3) of weblogic running in one box. When one instance, let say WL1, responds
          to a request(1st request for a session), the session is binded to that instance
          till the session is terminated/expired. Which means succeeding request for that
          session can only be served by WL1(we tried stopping WL1 but WL2 and WL3 wont accept
          the request--which only causes the page to time out). Shouldnt it behave in such
          a way that other instances can get serve the request(failover)?
          Also, occasionally we encounter "Time out server" in one of the instance of WL.
          When this happens, that instance no longer takes in requests. Would anyone know
          what causes "Time out server"? Does it only happen in clustered environment?
          Need some help ASAP.
          Tnx in adv.


          What do you have in front of WebLogic for Load Balancing?
          What are the IP addresses/hostnames of your three instances? What hostname are
          you using in your http requests? Is your DNS configured to do failover?
          Make sure that you have session replication turned on. See the edocs.bea.com.
          Mike Reiche
          "clstrproblem" <[email protected]> wrote:
          >
          >Hi.
          >
          >We are using Weblogic 5.1 with SP 8. We have been encountering a problem
          >in our
          >clustered environment. We setup our (clustered)environment to have 3
          >instances(WL1,
          >WL2, WL3) of weblogic running in one box. When one instance, let say
          >WL1, responds
          >to a request(1st request for a session), the session is binded to that
          >instance
          >till the session is terminated/expired. Which means succeeding request
          >for that
          >session can only be served by WL1(we tried stopping WL1 but WL2 and WL3
          >wont accept
          >the request--which only causes the page to time out). Shouldnt it behave
          >in such
          >a way that other instances can get serve the request(failover)?
          >
          >Also, occasionally we encounter "Time out server" in one of the instance
          >of WL.
          >When this happens, that instance no longer takes in requests. Would anyone
          >know
          >what causes "Time out server"? Does it only happen in clustered environment?
          >
          >
          >Need some help ASAP.
          >
          >Tnx in adv.
          >
          >
          >
          >
          >
          >
          >

Send for shared review - What type of Web server folder works?

Hello all,
Can someone please explain to me what type of web server folder works with "Send for shared review"?
I have created a folder on my GoDaddy server account with full permissions... http://webservername.com/Adobe_Test but after clicking Next, I see the error, "The Shared Folder Location is not valid. Click OK and check the Status field for more information."
1) It isn't valid? What are the valid server requirements?
2) "...check the Status field for more information."? What Status field?
It would have been great if I could use a Google Docs folder but that failed as well.
What must I do to unlock this neat feature?
Thank you

Thanks CtDave.
I ended up building a WebDAV server and I am now encountering a bunch of new issues. Such as:
From my workstation, working with Acrobat.
- After making comments. I click the top button "Publish Comments" - this works well - no errors. But when I attempt to exit the PDF, Acrobat wants to save the document. Attempting to Save results in a read-only error. After trying this, Acrobat gets into a loop where there doesn't appear to be a way to exit Acrobat (other than by Save As new file name):
Even worse... I understood that reviewers only required the Adobe Reader in order to comment. This doesn't seem to be the case.
When I emailed a test document for review, this is the message that pops up:
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J2EE 13 : what kind of application server?

Hi,
I m using j2ee 1.3 but i m wondering what kind of application server does it use it? I asume it is the j2ee application server... Is there a plugin for eclipse that works with this AS(application server); I ve installed Lomboz but AS JBoss is supportexd, didnt find anything of AS J2EE or Sun one AS. At work we are using j2ee 1.3 and AS Sun one AS 7(or version 8). I thaught J2EE 1.3 uses the J2EE application server ?
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Do you have an Server Definition File in Lomboz for the Sun One Application Server?

How to find out what version of DB Server was installed (32bit or 64)?

Hello
Maybe somebody would know if there is any way
to find out what version of DB Server was installed (32bit or 64)?
I need this information when downloading patches from oracle metalink.
PN

connect as sysdba using sqlplus and you'll get similar banner:
Oracle9i Enterprise Edition Release 9.2.0.5.0 - 64bit Production
This shows you are running 64 bit version.
OR
query the v$version (select * from v$version) you'll get the same as above.

What is MTS & Parallel Server?

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