[jira] [Created] (SOLR-9311) solrcloud so many connections

["Junfeng Mu (JIRA)" <ji...@apache.org>]

Junfeng Mu created SOLR-9311:
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             Summary: solrcloud so many connections
                 Key: SOLR-9311
                 URL: https://issues.apache.org/jira/browse/SOLR-9311
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: clients - java
    Affects Versions: 4.9
            Reporter: Junfeng Mu


firstly, I do not know wether it is a bug or a wrong usage. if this is a wrong usage, I will opligize to disturb you, and tell me what the wrong usage is.

We are using Solrj 4.9.1 to connect to a Zookeeper. and the solr server
version is 4.9.0 We are currently using CloudSolrServer as a singleton to operate index data, and I believe that solrj to zookeeper is a TCP connection, and zookeeper to solrcloud internal is actually a ttpconnection.

we use the zabbix to monitor the solrcloud status, and we deploy solr in
Wildfly(JBOSS), for example the http port is 8180, we find the number that
connecting with solr on port 8180 is so high. for now  we find the number
can be around 4000, that is too large.

and we find that with the increasing connections, the query speed become
slow. the CPU of the solr sever is unstable, and the speed to commit new index data becomes slow as well.

besides, the JDK version is 1.7.25 to running solr server.

please help me, and looking forward to your reply.

on the other hand, we have 3 cores with 5 shards, and each shard with one leader and one replication. now the data account goes to be 100 million, and it is still growing up.

please see the screenshot of Zabbix in the attachments.

Thanks.
Kent



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