Thanks Rob. Will it contribute to any performance problems? Thanks,SC
Date: Thu, 29 Aug 2013 10:57:30 -0700 Subject: Re: Flush writer all time blocked From: rc...@eventbrite.com To: user@cassandra.apache.org On Thu, Aug 29, 2013 at 10:49 AM, S C <as...@outlook.com> wrote: I see a high count "All time blocked" for Flush Writer on nodetool tpstats. Is it how many blocked ever since the server was online? Can somebody explain me what it is? I really appreciate it. Yes. Flush Writer thread pool is the thread pool responsible for the part of memtable flush that actually writes to disk. If you see it with a non-zero blocked number, you have at some time written to memory significantly faster than you could flush to disk. =Rob
