Don't forget you can test things http://www.datastax.com/dev/blog/whats-new-in-cassandra-1-1-live-traffic-sampling
Cheers ----------------- Aaron Morton Freelance Cassandra Developer New Zealand @aaronmorton http://www.thelastpickle.com On 5/03/2013, at 7:37 AM, "Hiller, Dean" <dean.hil...@nrel.gov> wrote: > Thanks! > Dean > > On 3/4/13 7:12 PM, "Wei Zhu" <wz1...@yahoo.com> wrote: > >> We have 200G and ended going with 10M. The compaction after repair takes >> a day to finish. Try to run a repair and see how it goes. >> >> -Wei >> >> ----- Original Message ----- >> From: "Dean Hiller" <dean.hil...@nrel.gov> >> To: user@cassandra.apache.org >> Sent: Monday, March 4, 2013 10:52:27 AM >> Subject: what size file for LCS is best for 300-500G per node? >> >> Should we really be going with 5MB when it compresses to 3MB? That seems >> to be on the small side, right? We have ulimit cranked up so many files >> "shouldn't" be an issue but maybe we should go to 10MB or 100MB or >> something in between? Does anyone have any experience with changing the >> LCS sizes? >> >> I do read somewhere startup times of opening 100,000 files could be >> slow????? Which implies a larger size so less files might be better? >> >> Thanks, >> Dean >> >
