[Linux-cluster] data journaling for increased performance
teigland at redhat.com
Thu Sep 7 14:21:27 UTC 2006
On Wed, Sep 06, 2006 at 05:09:54PM +0200, Riaan van Niekerk wrote:
> has anyone been able to use GFS data journaling to get any measurable
> performance boost? For those unfamiliar:
> We have a 2.6 TB maildir mail store (e.g. lots of small files) and think
> of implementing it (we will take any performance increase we can get as
> long as it does not impact reliability), and even though it will only
> apply to new files.
> Also, is it possible to check if the inherit_jdata (for directories) or
> jdata (for files) flag has been set?
'gfs_tool stat' will show the gfs-specific flags on files or directories.
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