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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2016/03/23 17:52:25 UTC
[jira] [Updated] (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.
[ https://issues.apache.org/jira/browse/SOLR-4509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Miller updated SOLR-4509:
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Summary: Move to non deprecated HttpClient impl classes to remove stale connection check on every request and move connection lifecycle management towards the client. (was: Disable HttpClient stale check for performance.)
> 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
> Components: search
> 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: 5.0, master
>
> Attachments: 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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