[CentOS] 'Extremely lazy' disk flush?
nate
centos at linuxpowered.netWed Oct 21 18:23:23 UTC 2009
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Les Mikesell wrote: > Are there any good options to configure a filesystem so most activity > takes place in the RAM buffer with the flush to physical media allowed > to lag very far behind? OpenNMS does some data collection that keeps > the disk very busy. I don't want to lose the history completely in a > crash like you would with a ramdisk, but it wouldn't be a big problem if > only the last 10-30 minutes would be dropped. see the commit option for ext3 commit=nrsec Sync all data and metadata every nrsec seconds. The default value is 5 seconds. Zero means default. nate
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