On 04/09/13 03:13, Robert Hajime Lanning wrote: > On 04/09/13 01:17, Eyal Marantenboim wrote: >> Hi Bryan, >> >> We have 1G nics on all our servers. >> Do you think that changing our design to distribute-replicate will >> improve the performance? >> >> Anything in the gluster performance settings that you think I should >> change? > > With GlusterFS, almost all the processing is in the client side. This > includes replication. So, when you have "replica 4", the client will be > duplicating all transactions 4 times, synchronously. Your 1G ethernet > just became 256M. > > I don't know how much "in production" your environment is. You might > want to try the 3.4 beta with the qemu glusterfs driver (using > libgfapi.so). > > You should get a good speed bump, by bypassing the FUSE interface. > > Also look into the write-behind and read caching translators for the > volume itself. > I forgot to pass along this article: http://www.gluster.org/2012/11/integration-with-kvmqemu/ -- Mr. Flibble King of the Potato People
