I am using 16G of heap space how much more should i increase. Please suggest
Thanks Anurag On Wed, Mar 30, 2011 at 11:43 AM, Narendra Sharma <narendra.sha...@gmail.com > wrote: > http://wiki.apache.org/cassandra/MemtableThresholds#JVM_Heap_Size > > > > On Wed, Mar 30, 2011 at 11:41 AM, Peter Schuller < > peter.schul...@infidyne.com> wrote: > >> > I have 6 node cassandra cluster all are setup with same >> > configuration I am getting fatal exceptions in one of the nodes >> > ERROR [Thread-604] 2011-03-29 20:19:13,218 AbstractCassandraDaemon.java >> > (line 114) Fatal exception in thread Thread[Thread-604,5,main] >> > java.lang.OutOfMemoryError: Java heap space >> > ERROR [Thread-607] 2011-03-29 19:47:29,272 AbstractCassandraDaemon.java >> > (line 114) Fatal exception in thread Thread[Thread-607,5,main] >> > java.lang.OutOfMemoryError: Java heap space >> > ERROR [Thread-605] 2011-03-29 19:38:09,081 AbstractCassandraDaemon.java >> > (line 114) Fatal exception in thread Thread[Thread-605,5,main] >> > java.lang.OutOfMemoryError: Java heap space >> > ERROR [MutationStage:2] 2011-03-29 19:37:16,659 >> > DebuggableThreadPoolExecutor.java (line 103) Error in ThreadPoolExecutor >> > java.lang.OutOfMemoryError: Java heap space >> > ERROR [GossipStage:1] 2011-03-29 20:27:29,898 >> AbstractCassandraDaemon.java >> > (line 114) Fatal exception in thread Thread[GossipStage:1,5,main] >> > java.lang.OutOfMemoryError: Java heap space >> > >> > All all the nodes have 32 G of ram. >> > >> > Everytime I try to restart the failed node I get the above errors. >> >> Unless something is outright wrong, it sounds like you need to >> increase your JVM heap size in cassandra-env.sh. That you're getting >> it on start-up sounds consistent with commit log reply filling the >> heap in the form of memtables that are sized too big for your heap. >> >> There's a wiki page somewhere that describes the overall rule of thumb >> for heap sizing, but I can't find it right now. >> >> -- >> / Peter Schuller >> > > > > -- > Narendra Sharma > Solution Architect > *http://www.persistentsys.com* > *http://narendrasharma.blogspot.com/* > > >
