RE: informix session memory usage problem
Yasar,
'res-buff' is a database cache.
I've never seen any memory leak in that pool.
Memory leaks usually occur in 'V' segments -
either 'global' or per-session pools
------------------------------------------
Alexey Sonkin
> -----Original Message-----
> From: yasarakman@isnet.net.tr [mailto:yasarakman@isnet.net.tr]
> Sent: Wednesday, April 07, 2004 2:07 AM
> To: informix-list@iiug.org
> Subject: Re: informix session memory usage problem
>
> Alexey,
> Thank you very much for you reply.
>
> "onstat -g mem" shows that the biggest pool is res-buff.
> the details of the pool is:
>
> E2:/home/opera->onstat -g mem res-buff
>
> IBM Informix Dynamic Server Version 9.40.FC2 -- On-Line (Prim) --
> Up 1 days 13:33:39 -- 4096000 Kbytes>
> Pool Summary:
> name class addr totalsize freesize #allocfrag
> #freefrag
> res-buff R 24b70040 614404096 2856 2 2
>
> Blkpool Summary:
> name class addr size #blks
>
> What does it mean?
>
> Regards,
> Yasar Akman
>
>
> Alexey Sonkin <alexeis@grandvirtual.com> wrote in message
> news:<c4ukrc$vk6$1@terabinaries.xmission.com>...
> > Yasar,
> >
> > Please, can You try to analyze the following:
> > 1. Memory allocation by segment:
> > onstat -g seg> > 2. Total memory allocation:
> > onstat -g mem> > 3. If You find that some particular pool reported in (2)
> > is very big, please, try to investigate it with
> > onstat -g <pool name|session id>> >
> > If Your problem is related to some memory leak,
> > the output should help You to reveal it
> >
> >
> > ------------------------------------------
> > Alexey Sonkin
> >
> >
> > > -----Original Message-----
> > > From: yasarakman@isnet.net.tr [mailto:yasarakman@isnet.net.tr]
> > > Sent: Tuesday, April 06, 2004 7:30 AM
> > > To: informix-list@iiug.org
> > > Subject: informix session memory usage problem
> > >
> > > Hi,
> > > we have recently upgraded our informix from 9.21 to 9.40. After
> > > upgrade
> > > informix consumes all machine memory. We have to stop and start
> > > informix.
> > >
> > > We notice that informix session starts with 5 Mbyte memory than it
> > > gets bigger and bigger. One of the process goes up to 365,260,800
> > > total memory and 13,323,056 used memory.
> > >
> > > I wonder is there a memory usage problem introduced with informix
> > > 9.40?
> > > and what is the differance between the "total memory" and used memory
> > > on "onstat -g ses" output?
> > >
> > > session #RSAM total used
> > > id user tty pid hostname threads memory
> > > memory 110 appa - 1107443 e2 1 365260800
> > > 13323056 off
> > >
> > > Yasar Akman
> > sending to informix-list
sending to informix-list
sending to informix-list
sending to informix-list