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From Peter Schuller <peter.schul...@infidyne.com>
Subject Re: ParNew (promotion failed)
Date Sat, 26 Mar 2011 22:23:44 GMT
>> So to resolve this i must tune young generation (HEAP_NEWSIZE) -Xmn, and
>> tune in_memory_compaction_limit_in_mb config parameter?
>
> More likely adjust the initial occupancy trigger and/or the heap size.
> Probably just the latter. This is assuming you're on 0.7 with mostly
> default JVM options. See cassandra-env.sh.

Well, in_memory_compaction_limit_in_mb can be relevant. But this
should only matter if you have large rows in your column family.

-- 
/ Peter Schuller

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