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Posted to dev@lucene.apache.org by "Vamsee Yarlagadda (JIRA)" <ji...@apache.org> on 2015/02/25 12:47:04 UTC
[jira] [Updated] (SOLR-7159) Add httpclient connection stats to JMX
report
[ https://issues.apache.org/jira/browse/SOLR-7159?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Vamsee Yarlagadda updated SOLR-7159:
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Attachment: Screen Shot 2015-02-25 at 3.37.06 AM.png
SOLR-7159.patch
Here is the first draft of the patch.
As per the latest 4.10 release, we have two separate http connection pools - UpdateShardHandler (handles all the updates) and HttpShardHandler/HttpShardHandlerFactory (handles all queries). And these two classes are created for every core setup. So i ended up adding the logic to the existing MBean of every core to display the httpclient connection stats. (Screenshot attached).
Kindly let me know with any suggestions or comments. I will refine the patch accordingly.
> Add httpclient connection stats to JMX report
> ---------------------------------------------
>
> Key: SOLR-7159
> URL: https://issues.apache.org/jira/browse/SOLR-7159
> Project: Solr
> Issue Type: Improvement
> Affects Versions: 4.10.3
> Reporter: Vamsee Yarlagadda
> Priority: Minor
> Attachments: SOLR-7159.patch, Screen Shot 2015-02-25 at 3.37.06 AM.png
>
>
> Currently, we are logging the stats of httpclient as part of debug level.
> bq. 2015-01-20 13:47:48,640 DEBUG org.apache.http.impl.conn.PoolingClientConnectionManager: Connection request: [route: {}->http://plh04.wil.csc.local:8983][total kept alive: 254; route allocated: 100 of 100; total allocated: 462 of 10000]
> Instead, it would be good to expose these metrics via JMX for easy checking.
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