Re: Cassandra Memory Trend - increased memory usage when node idles.

2011-08-21 Thread aaron morton
Using memory allocated to the JVM is not really a problem unless it's OOM'ing. Or running into performance issues due to excessive GC. One scenario I could imagine is a timeout triggered on a dirty memtable, this resulted in a flush, the flush resulted in a minor compaction, the minor compacti

Fwd: Cassandra Memory Trend - increased memory usage when node idles.

2011-08-19 Thread Renato Bacelar da Silveira
Hello All I have let a node run for a period of 2 hours, untouched, with something like 10 Column families, and just 30 columns in total. I see a memory trend that is continually increasing. There are no operations against that node. I started the node at 14:05, at 15:05 I did a manual GC.