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From "Vincenzo D'Amore" <>
Subject SolrCloud 4.8.1 maxConnectionsPerHost
Date Wed, 25 Nov 2015 23:29:18 GMT
Hi all,

I have a SolrCloud cluster that is not scaling properly.
As far as I can see, reached a certain number of connection (maybe 30/40)
the cluster stops to until the running queries are completed.
And only then it starts to work on queue.
So the queue grows up and the waiting time become longer.
All the pending requests are handled but, after 10 seconds, all the
connections timed out.

Now I'm thinking to raise the number of concurrent worked connections.
Now having a look at solr cloud configuration, I see there should be a
shardHandler in solrconfig.xml.

But I was unable to find any parameter like  <shardHandler> or even
maxConnectionsPerHost inside my configuration.

Where is current configuration? I have tried even with Jconsole, but
without success.

SolrCloud 4.8.1 is running in tomcat, should I configure tomcat instead of

Best regards,
Vincenzo D'Amore

Vincenzo D'Amore
mobile: +39 349 8513251

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