Shared memory table.

[Kevin Krieser]

On Nov 22, 2008, at 9:17 AM, Geofrey Rainey wrote:

> Hi,
>
> What effect does shmmni high usage have on your system? And how do you
> know its usage?
>
> -----Original Message-----
> From: redhat-list-bounces at redhat.com
> [mailto:redhat-list-bounces at redhat.com] On Behalf Of David Tonhofer
> Sent: Sunday, 23 November 2008 3:48 a.m.
> To: General Red Hat Linux discussion list
> Subject: Re: Shared memory table.
>
> Rohit khaladkar wrote:
>> Hi!The Shared memory table shmmni is reaching 100% in the middle of
>> the day
>> - at random .
>>
>> I do not know what process takes it to that level .
>>
>> What would be my way of finding that out ?
>>
>> Thanks for all the help!
>>
>> Rohit
>>
> "lsof" maybe? Never used it for that, though.
>


You can get some of this information with ipcs -a, or cat /proc/ 
sysvipc/shm
And the las shows the creater PID, and last PID, so you can hopefully  
track it back to the process.