Re: MEMORY LEAKAGE ON AIX5L
- From: Kresimir Fabijanic <kfabijanic@xxxxxxxxxxxxxxx>
- To: oracledbam@xxxxxxxxxxx
- Date: Sat, 13 Nov 2004 08:38:07 +1100
Hi Seema
We have exactly the same problem in processes not releasing virtual
memory - even if our physical memory goes down to 45%, virtual memory
stays around 30% . We used svmon with oracle background processes and
could not detect any memory leaks - we did established that listener
memory space grows, but at its largest it was never above 300Mb (we have
6Gb of physical and 6Gb of virtual memory). Unfortunately "svmon" with
process option is only way to detect a memory leak on AIX - it requires
the root privilege. Alternatively, you may try to use ps -efl but it
will only show you some rogue/runaway processes, not a nice, steady
memory leaks.
There is a very good article on metalink on AIX memory leak detection.
Kind Regards
Kresimir Fabijanic
Seema Singh wrote:
>Hi,
>I have been noticing database disconnect issues with one of client.
>Application box: Perl/apache/applictaions LINUX box
>DB box =AIX 5.x box =OracleEE817
>I noticed the memory on database at time T1 is X mb free.Users are
>connecting to DB box and accessing the database.After some time later say T2
>the memory on DB box free X-Y MB.
>And once memory low at database box teh applications are experiencing
>"database disconnect"
>ping between both box looks fine.
>Could be apache a problem?
>couple be huge memory leakage on DB AIX box?
>????
>How to check which processes are taking how much memory on box without root
>access? which ps option ???
>please advice.
>thanks
>
>
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