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From Flavio Junqueira <...@apache.org>
Subject Re: Spinning CPU on version 3.4.5
Date Wed, 24 Feb 2016 12:54:45 GMT
Hi Jens,

Could it be this issue:

https://issues.apache.org/jira/browse/ZOOKEEPER-1657 <https://issues.apache.org/jira/browse/ZOOKEEPER-1657>

-Flavio

> On 24 Feb 2016, at 12:48, Jens Rantil <jens.rantil@tink.se> wrote:
> 
> Hi,
> 
> We've had one of our Zookeeper nodes starting to spin CPU-wise a couple of
> times this week. The instance isn't logging anything at all and I can't do
> any `ruok` or `stat` out of it (that is, its is very unresponsive). I can't
> find any issues with the disk and the Zookeeper process is using equally
> much as the other Zookeeper instances.
> 
> Unfortunately, we are running Zookeeper with OpenJDK at the moment so I was
> unable to execute `jstack` (it's not bundled). If this issues remains we
> might migrate to use Oracle's JDK instead.
> 
> Question: Does anyone of any known issues like this with 3.4.5?
> 
> /J
> 
> -- 
> Jens Rantil
> Backend engineer
> Tink AB
> 
> Email: jens.rantil@tink.se
> Phone: +46 708 84 18 32
> Web: www.tink.se
> 
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