mark very interesting.can you explain. is the ulimit which we are talking here or something very different from this
sai --- Mark Brooks <[EMAIL PROTECTED]> wrote: > Check the setting for per process memory limits at > the AIX level. In 4.3 > there is a bug that allowed processes to exceed > there memory allocations. > The bug is fixed in 5L so the per process memory > limits are now enforced. We > ran into this on our first upgrade to 5L and the > symptom was 4031 errors > from processes that ran just fine on 4.3. > > Mark... > > -----Original Message----- > Sai Selvaganesan > Sent: Saturday, June 07, 2003 11:50 AM > To: Multiple recipients of list ORACLE-L > > > hi > we have upgraded a database from 8.1.7.4 on aix 4.3 > to > 9.2.0.3 on 5l and was running fine for the past two > weeks. > it all started day-before-yesterday when job queue > coordinator started thrwoing 4031 errora and dbwr > crashed eventually. we increased the shared pool and > again the crash happened the next day. > > in 8i the shared memory was 120M and i had a shared > memory of 200Mb initally in 9i (dont know why??) > ,later increased to 300mb after the first crash,then > to 650mb after the second crash(oracle's > suggestion).oracle send me some events to be set in > init.ota for 4031 errors and the trace that > generated > it seems has very little info to debug..not > surprised..job queue coordinator,apparently wakes up > every 5 seconds and there is some bug filed > regarding > excessive usage of sga by job queue coordinator. > oracle suggested about the _job_queue_interval > parameter and i went ahead and put that in setting > it > to the same value as in 8i. oracle sent me a script > which added sharable_mem from v$db_objcect_cache and > v$sqlarea and told me that i have to double the > shared > memeory. i dont hv a clue though i think this is not > a > right way to check the shared pool size. also the > application is the same.nothing has changed and the > number of processes in the database at any point of > time is less than 50!!! does 9i require 5 times the > size of share pool of 8i ???? > has anyone faced this kind of issue? i have been > sitting in front of the system for the past two days > trying to figure out what is happening? cant > question > oracle..but why really mess around with job queue > processes when that simple daemon has been working > fine in all versions? > > anycase,gurus please help me out on this. > > thanks > sai > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.net > -- > Author: Sai Selvaganesan > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 > http://www.fatcity.com > San Diego, California -- Mailing list and web > hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an > E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of > 'ListGuru') and in > the message BODY, include a line containing: UNSUB > ORACLE-L > (or the name of mailing list you want to be removed > from). You may > also send the HELP command for other information > (like subscribing). > > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.net > -- > Author: Mark Brooks > INET: [EMAIL PROTECTED] > > Fat City Network Services -- 858-538-5051 > http://www.fatcity.com > San Diego, California -- Mailing list and web > hosting services > --------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an > E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of > 'ListGuru') and in > the message BODY, include a line containing: UNSUB > ORACLE-L > (or the name of mailing list you want to be removed > from). You may > also send the HELP command for other information > (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Sai Selvaganesan INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).