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https://issues.apache.org/jira/browse/SOLR-4509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15221950#comment-15221950
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ASF subversion and git services commented on SOLR-4509:
-------------------------------------------------------
Commit ce172acb8fec6c3bbb18837a4d640da6c5aad649 in lucene-solr's branch
refs/heads/master from markrmiller
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=ce172ac ]
SOLR-4509: Move to non deprecated HttpClient impl classes to remove stale
connection check on every request and move connection lifecycle management
towards the client.
> Move to non deprecated HttpClient impl classes to remove stale connection
> check on every request and move connection lifecycle management towards the
> client.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-4509
> URL: https://issues.apache.org/jira/browse/SOLR-4509
> Project: Solr
> Issue Type: Improvement
> Environment: 5 node SmartOS cluster (all nodes living in same global
> zone - i.e. same physical machine)
> Reporter: Ryan Zezeski
> Assignee: Mark Miller
> Priority: Minor
> Fix For: master
>
> Attachments:
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> 0001-SOLR-4509-Move-to-non-deprecated-HttpClient-impl-cla.patch,
> IsStaleTime.java, SOLR-4509-4_4_0.patch, SOLR-4509.patch, SOLR-4509.patch,
> SOLR-4509.patch, SOLR-4509.patch, SOLR-4509.patch, SOLR-4509.patch,
> SOLR-4509.patch, SOLR-4509.patch, SOLR-4509.patch,
> baremetal-stale-nostale-med-latency.dat,
> baremetal-stale-nostale-med-latency.svg,
> baremetal-stale-nostale-throughput.dat, baremetal-stale-nostale-throughput.svg
>
>
> By disabling the Apache HTTP Client stale check I've witnessed a 2-4x
> increase in throughput and reduction of over 100ms. This patch was made in
> the context of a project I'm leading, called Yokozuna, which relies on
> distributed search.
> Here's the patch on Yokozuna: https://github.com/rzezeski/yokozuna/pull/26
> Here's a write-up I did on my findings:
> http://www.zinascii.com/2013/solr-distributed-search-and-the-stale-check.html
> I'm happy to answer any questions or make changes to the patch to make it
> acceptable.
> ReviewBoard: https://reviews.apache.org/r/28393/
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