Please post your spec files and the commands used to benchmark avati 2008/9/20 Graeme <graeme at sudo.ca> > Anand Avati wrote: > > Sorry for the wiki not being clear. While it is true the performance > > translators can be loaded on either client or server, the > > effectiveness is not the same. write-behind is more effective on the > > client side. > > Alright, just finished a new batch of benchmarking on 1.4pre5, with > somewhat surprising results: > > 1.3.10: write=20.8MB/sec, read=36.1MB/sec, rewrite=12.5MB/sec > 1.4pre5 (with read-ahead, write-behind on client side): > write=13.8MB/sec, read=62.9MB/sec, rewrite=10.3MB/sec > > So, the read performance enhancement is very obvious with 1.4, but for > some reason my write performance is greatly reduced. I'm not sure how to > interpret this, given everyone saying writes should be much faster with > 1.4 and with write-behind on the client side. > > Can someone explain this behaviour, and perhaps hint how to get my write > performance back to 1.3 levels without losing the gains in read > performance? > > G > > -- If I traveled to the end of the rainbow As Dame Fortune did intend, Murphy would be there to tell me The pot's at the other end. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://zresearch.com/pipermail/gluster-users/attachments/20080920/7e9beb98/attachment.htm