Yes.  That is roughly what I mean.

If one server starts a GC, it can effectively go offline.  That might
pressure the other servers enough that one of them starts a GC.

This is unlikely with your GC settings, but you should turn on the verbose
GC logging to be sure.

On Wed, May 12, 2010 at 10:09 PM, Aaron Crow <>wrote:

> But, sorry, I'm not sure what you
> mean about synchronized GC? You mean maybe all our Zookeepers get hit by a
> big GC at the same time, due to the very large db?

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