Any thoughts on how to improve the delete process performance? thanks,
On Mon, Sep 8, 2014 at 9:17 AM, Luis Periquito <periqu...@gmail.com> wrote: > Hi, > > I've been trying to tweak and improve the performance of our ceph > cluster. > > One of the operations that I can't seem to be able to improve much is the > delete. From what I've gathered every time there is a delete it goes > directly to the HDD, hitting its performance - the op may be recorded in > the journal but I don't notice almost any impact. > > From my tests (1M files with 512k) writing the data will take 2x as much > as the delete operation - should there be a bigger difference? And whilst > the delete operation is running all the remaining operations will be slower > - it does impact the whole cluster performance in a significant way. > > Is there any way to improve the delete performance on the cluster? I'm > using S3 to do all the tests, and the .rgw.bucket.index is already running > from SSDs as is the journal. I'm running firefly 0.80.5. > > thanks, >
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