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From Nahor <nahor.j+gm...@gmail.com>
Subject Re: nodetool causing OOM?
Date Mon, 17 May 2010 21:37:37 GMT
On 2010-05-17 12:51, Brandon Williams wrote:
> On Mon, May 17, 2010 at 2:44 PM, Ronald Park <ronald.park@cbs.com 
> <mailto:ronald.park@cbs.com>> 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 
> https://issues.apache.org/jira/browse/THRIFT-601
>

Same bug but a different way to trigger it: mixing framed and non-framed 
transport.
I had switched a node to use framed transport to look at Chiton but 
didn't change the nodetool configuration.


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