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From Eric Newton <>
Subject Re: Tserver kills themselves from lost Zookeeper locks
Date Mon, 04 Nov 2013 23:52:21 GMT
Hmm.  That's sounds like a very old version of zookeeper... the earliest
version we recommend is 3.3.6.
I have never even heard of zookeeper version  Is it specific to
the MapR environment?

Virtual environments can be tricky.  There's a second level of possible
swap that can take place, so it's possible you are getting something pushed
out of memory: either the tserver or a virtual OS running the tserver.

You may want to look into increasing your zookeeper timeouts in this


On Mon, Nov 4, 2013 at 4:08 PM, buttercream

> I'm running a 3 node development environment cluster, 1 master and 2 tablet
> servers. I'm running Accumulo 1.5 with MapR M3. Zookeeper version
> I
> am in a virtual environment running RHEL 6.
> It usually takes about 5 days after starting the cluster for the tservers
> to
> start dying.
> --
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