Lots of GC in log

We are testing Cassandra with pretty big load, I saw frequent GCs in the log, Do you have suggestion about how to reduce them? NFO [ScheduledTasks:1] 2011-09-22 09:38:41,080 GCInspector.java (line 122) GC for ParNew: 297 ms for 1 collections, 2503106624 used; max is 8015314944 INFO

Re: Lots of GC in log

We are testing Cassandra with pretty big load, I saw frequent GCs in the log, Do you have suggestion about how to reduce them? Do you have any actual problem that you are observing? Frequent young-generation GC:s (ParNew) are expected. If you want to cut down on the length of them you may want

Re: Lots of GC in log

Thanks Peter. I saw cpu was shooting much higher. I am not sure if frequent GCs are caused by improperly sized generations. I'd like to get some tunning tips, or good document about Cassandra tuning. Daning On 09/22/2011 12:23 PM, Peter Schuller wrote: We are testing Cassandra with pretty