got it! thanks! On Thu, Sep 15, 2011 at 4:10 PM, Peter Schuller <peter.schul...@infidyne.com > wrote:
> > in one of my node, I found many hprof files in the cassandra installation > > directory, they are using as much as 200GB disk space. other nodes > didn't > > have those files. > > turns out that those files are used for memory analyzing, not sure how > they > > are generated? > > You're probably getting OutOfMemory exceptions. Cassandra by default > runs with -XX:+HeapDumpOnOutOfMemory (or some such, I forget exactly > what it's called). If this is the case, you probably need to increase > your heap size or adjust Cassandra settings. > > -- > / Peter Schuller (@scode on twitter) >