Re: OOME cause

2012-08-19 Thread Sever Fundatureanu
Hi Kevin, The heap was close to 100% as expected. The version is 0.92.0. I can also add I am using the options: HBASE_OPTS="-XX:NewSize=64m -XX:MaxNewSize=64m -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:CMSInitiatingOccupancyFraction=70" If I allocate .8 for memstore+blockCache, will HBase use on

Re: OOME cause

2012-08-19 Thread Kevin O'dell
Sever, What is the heap set at? I would not recommend exceeding .7 with memstore and block cache combined as this does not leave much room for hbase itself. What version is this on? On Aug 19, 2012 7:51 AM, "Sever Fundatureanu" wrote: > Hello, > > I have a RegionServer which OOMEd. The memsto

OOME cause

2012-08-19 Thread Sever Fundatureanu
Hello, I have a RegionServer which OOMEd. The memstore is set to 0.4 and the blockCache to 0.4 of total memory. Although the memstore was empty (confirmed with Ganglia), the server OOMEd. I noticed the block cache is doing a lot of evictions, which caused a full GC pause. However, I don't see why