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https://issues.apache.org/jira/browse/SOLR-9253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15357009#comment-15357009
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Junfeng Mu commented on SOLR-9253:
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Mr. Mangar!  I did the configuration as you said before. I configed add 
"maxConnections" and "maxConnectionsPerHost" in the "<shardHandlerFactory>", 
but the problem occured again. The configuration as below

<int name="maxConnections">10000</int>
<int name="maxConnectionsPerHost">500</int>

besides, we use the singleton pattern to create and get the solr server 
connection, I wonder if this pattern is OK. Once I shutdown the zookeeper, the 
application can not do the solr query, the error is "no live SolrServer 
available to handle this request". so I need to restart our connection to 
reconnect solrcloud.

as we use the singleton pattern, we do not use the method of "shutdown" to 
release the solrserver connection, will this be a problem? or we need to create 
the connection on demand every time?

please help me, look forward to your reply. Thanks a lot!

> solrcloud goes dowm
> -------------------
>
>                 Key: SOLR-9253
>                 URL: https://issues.apache.org/jira/browse/SOLR-9253
>             Project: Solr
>          Issue Type: Wish
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: clients - java
>    Affects Versions: 4.9.1
>         Environment: jboss, zookeeper
>            Reporter: Junfeng Mu
>         Attachments: 20160627161845.png, javacore.165.txt
>
>   Original Estimate: 96h
>  Remaining Estimate: 96h
>
> We use solrcloud in our project. now we use solr, but the data grows bigger 
> and bigger, so we want to switch to solrcloud, however, once we switch to 
> solrcloud, solrcloud goes down, It seems that solrcloud blocked, can not deal 
> with the new query, please see the attachments and help us ASAP. Thanks!



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