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From Ronald Park <>
Subject Re: nodetool causing OOM?
Date Mon, 17 May 2010 20:04:48 GMT
Brandon Williams wrote:
> On Mon, May 17, 2010 at 2:44 PM, Ronald Park < 
> <>> wrote:
>     Hello,
>     We are getting our feet wet with Cassandra and have a test
>     environment set up to do some heavy data insertion. [Heavy is
>     relative: we are talking about 1M inserts in a 3 hours test.
>     Twice while running these tests, when we've tried to use 'nodetool'
>     about an hour or so into the test, to run a command like 'info' or
>     'tpstats' and the Cassandra node we attached to raised OOM error.
> Does it only happen under load, or does it also OOM when idle?  If the 
> latter, it sounds like you're connecting it to the thrift port instead 
> of the jmx port, which would 
> trigger
> -Brandon

Ah ha.  Yes, I am 99% sure this is what happened.  I know I choose the 
wrong port the first time I ran it; the other developer I'm working with 
thinks he did so as well.


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