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NUMFLOCK Max [message #4504] Wed, 12 July 2006 10:19 Go to next message
molliver is currently offline  molliver
Messages: 30
Registered: May 2006
Member
Hi,

I have our first client live now on openvz and ran into a problem due to the number of users.
when i checked /proc/user_beancounters i noticed we were hitting the numflock limit. This was set at 1000 with a limit of 1100. I increased this to 2000:2200 and have solved the problem for now.

I would like to know how can i check the maximum number of file locks avaliable on the host server so that i can set this number reliably?

Thanks

Mark
Kernel 2.6.8-022stab077-smp

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Re: NUMFLOCK Max [message #4507 is a reply to message #4504] Wed, 12 July 2006 11:31 Go to previous messageGo to next message
aistis is currently offline  aistis
Messages: 77
Registered: September 2005
Location: Kaunas, Lithuania
Member
Hi,

"ulimit -a" on the host should show current limits. AFAIK, normally file locks are "unlimited".

I believe file locks are directly related to numproc/numfile.. though not 100% sure.

Aistis Zenkevicius
http://static.openvz.org/userbars/openvz-user.png

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Re: NUMFLOCK Max [message #4509 is a reply to message #4507] Wed, 12 July 2006 12:12 Go to previous messageGo to next message
molliver is currently offline  molliver
Messages: 30
Registered: May 2006
Member
Hi,

If that were the case why do we care about a max limit on NUMFLOCK ???

regards

Mark

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Re: NUMFLOCK Max [message #4510 is a reply to message #4509] Wed, 12 July 2006 12:44 Go to previous message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member
no. you can set almost aribtrary number of flocks on files, so that's why VE should be limited. if you VE is trusted however, you can safely set nuflock limit to an arbitrary high value.

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