Hi all,
We are seeing our workers constantly being killed by Storm with to the
following logs:
worker: 2014-05-23 20:15:08 INFO ClientCxn:1157 - Client session timed out,
have not heard from the server in 28105ms for sessionid 0x14619bf2f4e0109,
closing socket and attempting reconnect
superviso
2) Is this expected behavior for Storm to be unable to keep up with heartbeat
threads under high CPU or is our theory incorrect?
Check your JVM max heap size (-Xmx). If you use too much, the JVM will
garbage-collect, and that will stop everything--including the thread whose job
it is to do t
se to make our topology more
resilient to these restarts?
Michael
> Date: Fri, 23 May 2014 15:50:50 -0500
> From: der...@yahoo-inc.com
> To: user@storm.incubator.apache.org
> Subject: Re: Workers constantly restarted due to session timeout
>
> > 2) Is this expected behavior for
e heartbeats in question? Is it
> be a config on the Zookeeper side we can increase to make our topology more
> resilient to these restarts?
>
> Michael
>
> > Date: Fri, 23 May 2014 15:50:50 -0500
> > From: der...@yahoo-inc.com
> > To: user@storm.incubator.apache.o
..@yahoo-inc.com
> > To: user@storm.incubator.apache.org
> > Subject: Re: Workers constantly restarted due to session timeout
> >
> > > 2) Is this expected behavior for Storm to be unable to keep up with
> > > heartbeat threads under high CPU or is our theor
tarts?
Michael
Date: Fri, 23 May 2014 15:50:50 -0500
From: der...@yahoo-inc.com
To: user@storm.incubator.apache.org
Subject: Re: Workers constantly restarted due to session timeout
2) Is this expected behavior for Storm to be unable to keep up with heartbeat
threads under high CPU or is our t
t: 30
storm.zookeeper.session.timeout: 30
> Date: Thu, 29 May 2014 12:56:19 -0500
> From: der...@yahoo-inc.com
> To: user@storm.incubator.apache.org
> Subject: Re: Workers constantly restarted due to session timeout
>
> OK, so GC is probably not the issue.
>
>
>
: 30
storm.zookeeper.session.timeout: 30
Date: Thu, 29 May 2014 12:56:19 -0500
From: der...@yahoo-inc.com
To: user@storm.incubator.apache.org
Subject: Re: Workers constantly restarted due to session timeout
OK, so GC is probably not the issue.
Specifically, this is a connection timeout to ZK fr
zookeeper 3.4.5 installed. I see Storm uses zookeeper-3.3.3 as its
client. Should we downgrade our installation?
> Date: Sat, 31 May 2014 13:50:57 -0500
> From: der...@yahoo-inc.com
> To: user@storm.incubator.apache.org
> Subject: Re: Workers constantly restarted due to sessio
We have zookeeper 3.4.5 installed. I see Storm uses zookeeper-3.3.3 as its
client. Should we downgrade our installation?
Date: Sat, 31 May 2014 13:50:57 -0500
From: der...@yahoo-inc.com
To: user@storm.incubator.apache.org
Subject: Re: Workers constantly restarted due to session timeout
Are you cert
0500
> From: der...@yahoo-inc.com
> To: user@storm.incubator.apache.org
> Subject: Re: Workers constantly restarted due to session timeout
>
> > 1) Is it appropriate to run Zookeeper in parallel on the same node with the
> > storm services?
>
> I recommend separate
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