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From Mateusz Korniak <mateusz-li...@ant.gliwice.pl>
Subject Re: Cassandra 1.0 hangs during GC
Date Mon, 30 Jul 2012 12:01:05 GMT
On Monday 30 of July 2012, Nikolay KŠ¾vshov wrote:
> -  JNA is not installed on both machines

So your GC times may be strongly [1] affected by swapping. 
IIRC, also snapshotting is more expensive and may trigger more swapping.
I would start with turning JNA mlockall on [2].


[1]:
Not sure if up to numbers you presented ( many seconds)...

[2]:
INFO [main] 2012-07-27 12:18:27,135 CLibrary.java (line 109) JNA mlockall 
successful



-- 
Mateusz Korniak

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