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From Gopal Jee <gopal....@myntra.com>
Subject Re: Solr node going to recovering state during heavy reindexing
Date Tue, 28 Apr 2015 09:08:31 GMT
Thanks Shawn for the insight. WIll try your recommendations .

Gopal

On Mon, Apr 27, 2015 at 9:46 PM, Rajesh Hazari <rajeshhazari@gmail.com>
wrote:

> thanks, i am sure that we have missed this command line property, this
> gives me more information on how to use latest solr scripts more
> effectively.
>
>
> *Thanks,*
> *Rajesh**.*
>
> On Mon, Apr 27, 2015 at 12:04 PM, Shawn Heisey <apache@elyograg.org>
> wrote:
>
> > On 4/27/2015 9:15 AM, Gopal Jee wrote:
> > > We have a 26 node solr cloud cluster. During heavy re-indexing, some of
> > > nodes go into recovering state.
> > > as per current config, soft commit is set to 15 minute and hard commit
> to
> > > 30 sec. Moreover, zkClientTimeout is set to 30 sec in solr nodes.
> > > Please advise.
> >
> > The most common reason for this is general performance issues that make
> > some operations take longer than the zkClientTimeout.
> >
> > My first suspect would be long garbage collection pauses.  This assumes
> > you're not using a very recent version (4.10.x or 5.x) with the new
> > bin/solr script, and your java commandline does not have any garbage
> > collection tuning.  The bin/solr script does a lot of GC tuning.
> >
> > The second suspect would be that you don't have enough RAM left for your
> > operating system to cache your index effectively.
> >
> > It's possible to have both of these problems happening.  These problems,
> > and a few others, are outlined here:
> >
> > http://wiki.apache.org/solr/SolrPerformanceProblems
> >
> > Thanks,
> > Shawn
> >
> >
>

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