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From Yan Chunlu <springri...@gmail.com>
Subject Re: how did hprof file generated?
Date Thu, 15 Sep 2011 10:52:16 GMT
got it! thanks!

On Thu, Sep 15, 2011 at 4:10 PM, Peter Schuller <peter.schuller@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)
>

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