lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Shalin Shekhar Mangar <>
Subject Re: Solr 6.x leaking one SolrZkClient instance per second?
Date Tue, 04 Apr 2017 14:11:36 GMT
Please open a Jira issue. Thanks!

On Tue, Apr 4, 2017 at 7:16 PM, Markus Jelsma
<> wrote:
> Hi,
> One of our nodes became berzerk after a restart, Solr went completely nuts! So i opened
VisualVM to keep an eye on it and spotted a different problem that occurs in all our Solr
6.4.2 and 6.5.0 nodes.
> It appears Solr is leaking one SolrZkClient instance per second via DistributedQueue$ChildWatcher.
That one per second is quite accurate for all nodes, there are about the same amount of instances
as there are seconds since Solr started. I know VisualVM's instance count includes objects-to-be-collected,
the instance count does not drop after a forced garbed collection round.
> It doesn't matter how many cores or collections the nodes carry or how heavy traffic
> Is this a known issue? Ticket?
> Thanks,
> Markus

Shalin Shekhar Mangar.

View raw message