Patrick, Thanks for the info. Does each ZK write wait for log being flushed to disk?
Jun On Wed, Oct 3, 2012 at 6:13 PM, Patrick Hunt <[email protected]> wrote: > My experience with SSDs and ZK has been discouraging. SSDs have some > really terrible corner cases for latency. I've seen them take 40+ > seconds (that's not a mistake - seconds) for fsync to complete. When > this happened (every few hours) all of the sessions would timeout. > > See this article: > http://storagemojo.com/2012/06/07/the-ssd-write-cliff-in-real-life/ > > Patrick > > On Wed, Oct 3, 2012 at 9:59 AM, Jun Rao <[email protected]> wrote: > > Hi, > > > > Will storing the ZK commit log on SSD improve ZK write latency? Does a ZK > > write wait until data is flushed to disk? > > > > Thanks, > > > > Jun >
