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From Aleksei Udatšnõi <a.udac...@gmail.com>
Subject UseConcMarkSweepGC with Mahout
Date Tue, 02 Jul 2013 09:46:30 GMT
JVM tuning section of "Mahout in Action" book recommends to use the
following GC instead of the default one:

 -XX:+UseParallelGC -XX:+UseParallelOldGC.

Has anyone tries running servlets based on Mahout with UseConcMarkSweepGC
instead?

Latter garbage collector is known for handling PermGen in Tomcat better
(especially during undeployment), but I am not yet sure how it will affect
the performance of Mahout servlets.

The servlets produce user- and item-based recommendations, so its memory
usage and garbage collection should be as optimal as possible.

Thank you,
Aleksei

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