Re: OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Aram Ayazyan
Thanks a lot Jonathan! That seems to be it, since the exact same configuration w/ the same data starts up and works fine on a different server. -Aram On Wed, Dec 1, 2010 at 5:24 PM, Jonathan Ellis wrote: > Stack trace looks like an OS-level thread limit causing problems, not > actually memory. >

Re: OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Jonathan Ellis
Stack trace looks like an OS-level thread limit causing problems, not actually memory. On Wed, Dec 1, 2010 at 7:05 PM, Aram Ayazyan wrote: > Hi Aaron, > > OOM is happening both after the system has been running for a while as > well as when I restart it afterwards. The only way to make it run > a

Re: OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Aram Ayazyan
Regarding caches, I haven't explicitly enabled them and the "saved_caches" directory is empty. -Aram On Wed, Dec 1, 2010 at 5:05 PM, Aram Ayazyan wrote: > Hi Aaron, > > OOM is happening both after the system has been running for a while as > well as when I restart it afterwards. The only way to

Re: OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Aram Ayazyan
Hi Aaron, OOM is happening both after the system has been running for a while as well as when I restart it afterwards. The only way to make it run after it has crashed, is to remove everything from data and commitlog directories. Unfortunately I don't have the original log from when cassandra cras

Re: OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Aaron Morton
Do you have a log message for the OOM? And some GC messages around it? Have you tried watching the server with jconsole?Is the OOM happening on system start or after it's been running ? Or both?Do you have any row/key caches? Cannot remember but is 0.6* has this but have you enabled the save cache

OutOfMemory exceptions w/ Cassandra 0.6.8

2010-12-01 Thread Aram Ayazyan
Hi, We have a small cluster of 3 Cassandra servers running w/ full replication. Every once in a while we get an OutOfMemory exception and have to restart servers. Sometimes just restarting doesn’t do it and we have to clean the commitlog or data directory. We are running Cassandra 0.6.8. There is