Re: Fun with Heap Dump ...

2011-09-01 Thread Ian Danforth
Awesome, thanks for the quick response! Ian On Thu, Sep 1, 2011 at 5:27 PM, Jonathan Ellis wrote: > On Thu, Sep 1, 2011 at 6:54 PM, Ian Danforth wrote: >> 1. What operation is C* performing during lines like these: >> >>  INFO 22:38:34,710 Opening /cassandra/data/Keyspace1/TwitterTest-g-5643 >>

Re: Fun with Heap Dump ...

2011-09-01 Thread Jonathan Ellis
On Thu, Sep 1, 2011 at 6:54 PM, Ian Danforth wrote: > 1. What operation is C* performing during lines like these: > >  INFO 22:38:34,710 Opening /cassandra/data/Keyspace1/TwitterTest-g-5643 > > (I think this is an SSTable it's extracting an index for this column > family from) Right. > 2. Has my

Fun with Heap Dump ...

2011-09-01 Thread Ian Danforth
All, I need help interpreting the results of my investigation. I'm encountering this error: "Unable to reduce heap usage since there are no dirty column families". My heap sits near max and occasionally OOMs. (4GB heap) Following Mr. Ellis's instructions here: http://cassandra-user-incubator-apa