NO, I talk about performance at the host.
From: [email protected] [mailto:[email protected]] On Behalf Of Roberto Mello Sent: Dienstag, 24. August 2010 14:48 To: [email protected] Subject: Re: [Users] slow fsync rate On Tue, Aug 24, 2010 at 4:36 AM, Dietmar Maurer <[email protected]<mailto:[email protected]>> wrote: Hi all, we observe very slow fsync rates on newer 2.6.32 kernel with OpenVZ: It is possible to reproduce the problem with sysbench: # sysbench --test=fileio --file-num=1 --file-total-size=50G --file-fsync-all=on --file-test-mode=seqrewr --max-time=100 --file-block-size=4096 --max-requests=0 run Requests/sec executed is considerable slower on OpenVZ kernel (factor 20 on Intel Modular Server). Are you running the tests in a VE? I'd be curious to see your vz.conf file, and the output of /proc/user_beancounters for the VE you are running the tests on. Do you have quotas turned on? Roberto
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