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noatime flag for /vz and noatime option for VE/CT [message #36793]

Mon, 20 July 2009 11:27

christoph
Messages: 19
Registered: July 2006

Junior Member

Hello,

I often heard that setting the noatime flag for the filesystem can increase performance.

I also found out that OpenVZ has a "--notime" option with vzctl.

The man page says:

Quote:

--noatime yes|no
Sets noatime flag (do not update inode access times) on file system.

Is it necessary to set both the noatime flag on the /vz filesystem and the noatime option for VE?

Thank you,
Christoph

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Re: noatime flag for /vz and noatime option for VE/CT [message #43461 is a reply to message #36793]

Tue, 13 September 2011 13:01

tomp
Messages: 64
Registered: August 2007

Member

This would be useful to know...does anybody have any idea on this?

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Re: noatime flag for /vz and noatime option for VE/CT [message #43464 is a reply to message #36793]

Tue, 13 September 2011 14:39

TheStig
Messages: 94
Registered: December 2008

Member

i would guess no.
but what stops you from verifying that issue yourself using stat?

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Re: noatime flag for /vz and noatime option for VE/CT [message #43469 is a reply to message #43464]

Tue, 13 September 2011 17:45

tomp
Messages: 64
Registered: August 2007

Member

LOL, I did, but I wasn't 100% sure, as I guess due to file caching the stat is not updated everytime I access the file.

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