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MQSeries.net Forum Index » IBM MQ API Support » Tandem MQQSSVR memory

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AndyMQ
PostPosted: Wed May 10, 2006 8:54 am    Post subject: Tandem MQQSSVR memory Reply with quote

Apprentice

Joined: 22 Apr 2004
Posts: 33
Location: Scotland
Concerned at the amount of memory being used in our queue managers, specifically the queue service servers. We have created multiple MQQSSVR processes spread across all available CPUs, but the primary processes use anything up to 150MB memory with the backup processes using double that. We are using persistent messages, so turning off the qsoptions C setting shouldn't buy us anything. Don't set either of the other qsoptions so are at a bit of a loss to understand why that memory is being consumed, and more specifically why it isn't being released when the qmgr is in test and isn't being accessed for days on end.
Anyone know of any other memory tuning options available on 5.1 MQ (CSD03)?
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Tibor
PostPosted: Fri May 12, 2006 6:53 am    Post subject: Reply with quote

Grand Master

Joined: 20 May 2001
Posts: 1033
Location: Hungary
Our production qmgr on Tandem comsumes more less memory however the average of daily traffic is more than 900MB (mainly persistent messages). There are 5 MQQSSVR process for faster parallel working, but the sizes are smaller: 20, 5, 4, 4 and 3 MB.

Had you installed any fix since upgrading CSD03?
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AndyMQ
PostPosted: Fri May 12, 2006 7:06 am    Post subject: Reply with quote

Apprentice

Joined: 22 Apr 2004
Posts: 33
Location: Scotland
We went with efix 3 as we had to apply the PATHSEC changes (an audit point). We're still only testing with this configuration, but we have around 8 or 9 MQQSVR processes running per node. Invariably the primary QSVR process has been 100 and 150MB memory allocated. The backup process however, has anything up to 300MB memory, which scarily is almost twice the memory used by the busiest disk process on the same CPU.
We shut all qmgrs down at the weekend as part of a contingency/site switch exercise. They've started up with between 40 and 90MB memory for both pri and bkp. Both are creeping up, but now in parallel, i.e. no memory mismatches between pri and bkp.
Have played about with all the qsoptions and things. Even considered playing with the "tuning parameters" in the QMINI, although the manual recommends against touching these.
Are there memory options that you're aware of with other efixes?
Thanks for the response!
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Tibor
PostPosted: Fri May 12, 2006 8:16 am    Post subject: Reply with quote

Grand Master

Joined: 20 May 2001
Posts: 1033
Location: Hungary
We are on efix2 as far as I remember correctly (perhaps efix3?). We use the MQ on Tandem since 1999 but it was no need the tuning those parameters, that's why I can't help you

Of course I am wondering when any interesting thing will emerge
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Tibor
PostPosted: Fri May 12, 2006 8:21 am    Post subject: Reply with quote

Grand Master

Joined: 20 May 2001
Posts: 1033
Location: Hungary
It is the qmini file of our prod qmgr, maybe helps:
Code:
#*******************************************************************#
#* Module Name: QMINI                                              *#
#* Type       : MQSeries queue manager configuration file          *#
#  Function   : Define the configuration of a single queue manager *#
#*                                                                 *#
#*******************************************************************#
#* Notes      :                                                    *#
#* 1) This file defines the configuration of the queue manager     *#
#*                                                                 *#
#*******************************************************************#
Configuration:
   PathmonProcName=$MQSP
   DefaultQueueServerName=$MQSS
   DefaultStatusServerName=$MQST
   ServerClassName=MQS-ECBOSS
   EMSCollectorName=$0
   HomeTerminalName=$VHS2
   ShutdownFileName=SHUTDOWN
   TraceOptionsFileName=TRACEOPT
   RuntimeFileName=RUNTIME
   StatableFileName=STATABLE
   ChannelDefFileName=CHDEFS
   DefaultCCSID=819
   DefaultTraceOptions=0
   MaxIdleAgents=10
   MinIdleMCALU62Responders=0
   MinIdleMCATCPResponders=0
   MinIdleMCACallers=0
   MinIdleLQMAgents=1
   MaxIdleAgentReuse=10
DefaultProcess:
   ExeFileName=DEFAULT
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=256000
   IniPoolSize=256000
   Priority=175
ECBoss:
   ExeFileName=MQECBOSS
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
   ExpectedNumECs=16
EC:
   ExeFileName=MQEC
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=256000
   IniPoolSize=256000
   Priority=175
   LQMAgentExe=MQLQMAG
   MCACallerExe=MQMCACAL
   MCATCPResponderExe=MQTCPRES
   MCALU62ResponderExe=MQLU6RES
   MCAAgentPriority=165
   LQMAgentPriority=165
   StopProcessTimer=3000
   IdleProcessTimer=3000
MCACaller:
   ExeFileName=MQMCACAL
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
MCATCPResponder:
   ExeFileName=MQTCPRES
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
MCALU62Responder:
   ExeFileName=MQLU6RES
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
MQIServer:
   ExeFileName=MQMQISER
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
LQMAgent:
   ExeFileName=MQLQMAG
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=50
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=120000
   IniPoolSize=200000
   Priority=175
ChannelInitiator:
   ExeFileName=RUNMQCHI
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=256000
   IniPoolSize=256000
   Priority=175
TCPListener:
   ExeFileName=RUNMQLSR
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=256000
   IniPoolSize=256000
   Priority=175
Queue Manager Server:
   ExeFileName=MQMGRSVR
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=300000
   IniPoolSize=256000
   Priority=175
Repository Server:
   ExeFileName=MQREPSVR
   TraceVolSubvol=$SQLCAT.OSSPL
   TracePrefix=TR
   ErrorVolSubvol=$SQLCAT.OSSPL
   ErrorPrefix=ER
   DebugMode=0
   IPCCTimeOut=10000
   IPCCMemSetSize=32000
   MemSetSize=16000
   ExtPoolSize=256000
   IniPoolSize=256000
   Priority=175
Authority:
   MQAUTH=On
Service:
   Service=AuthorizationService
   EntryPoints=9
ServiceComponent:
   Service=AuthorizationService
   Name=MQSeries.TANDEM.auth.service
   Module=MQOAM
   ComponentDataSize=0
   ComponentID=0
TuningParameters:
   KernelMemSetSize=32000
   ObjCatMemSetSize=32000
   QueueMemSetSize=16000
   MQGETActiveQPoll=50
   MQGETInactiveQPoll=1000
Channels:
   RetryAll=1
   MaxChannels=40
   MaxActiveChannels=40
   MaxTries=3
   MaxTriesInterval=10
   ChanInitDiscInterval=10
   AdoptNewMCA=NO
   AdoptNewMCATimeout=60
   AdoptNewMCACheck=NAME,ADDRESS,QM
TCPConfig:
   TCPPort=1414
   TCPNumListenerPorts=1
   TCPListenerPort=1414
   TCPKeepAlive=1
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AndyMQ
PostPosted: Fri May 12, 2006 8:40 am    Post subject: Reply with quote

Apprentice

Joined: 22 Apr 2004
Posts: 33
Location: Scotland
Thanks Tibor, thats useful as it gives me something to do comparisons with. In general, our backup processes were consuming around doubles the memory of our primary processes. I can understand that happening if we're using non persistent messages as we have qsoptions C set to checkpoint. However, all our messages SHOULD be persistent, tho' I won't have access to the mqm.manager id until this weekend as it's controlled. If they are persistent, then no checkpointing should be done as TMF should handle that.
We are expecting a huge increase in MQ traffic over the coming months, so it should be interesting to see how the system copes, particularly as regards memory.
We're monitoring it and will post any update here.
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