Debian and redhat sets on kernel config are slightly different. But with the same config (just config from redhat) on a debian custom kernel, nothing change. so ... It's definitivly not a debian issue. Thanks for support Chris Bannister a écrit : > On Thu, Apr 03, 2008 at 11:54:53AM +0200, cypherstrong wrote: > >> Ok After well testing on both system ... I have found that DB2 V9.5 >> FixPack 0 doesn't work on 32 bits system properly >> Redhat sets automatically some sysctl value after installation: >> >> kernel.shmmax >> >> So that's why db2 don't crash >> >> I have do the same tuning on debian, and now installation work but ... >> performance is awfull !!! >> >> Even system doesn't say that they is some issues in memory, it seems db2 >> has a problem on 32bits system... >> >> So I have try v8.2 version, and speed is wonderfull with same tuneage of >> memory >> I do this : >> >> >> kernel.sem = 256 256000 100 1024 >> kernel.shmmax=256M (in octet so) >> kernel.shmall=3.7G >> >> So speed is excellent with older version of db2 but not this version, >> even in redhat or debian >> >> I have post on db2 my issue, but it seems that nobody use this version >> yet on net ... >> >> I can't download v9.1fixpack4 anymore on db2 (link is really well hide >> on they site) >> >> So I'm stuck for this system >> >> We will need to move to a 64 bits system to solve the problem >> >> a fixpack 1 should be good now >> >> thanks for support >> > > No problem. Seems like its not a Debian problem then. > > But I would check the kernel configs for differences. > >
Attachment:
signature.asc
Description: OpenPGP digital signature