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Posted to dev@lucene.apache.org by "ASF subversion and git services (JIRA)" <ji...@apache.org> on 2016/07/01 07:18:11 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=15358541#comment-15358541 ]
ASF subversion and git services commented on SOLR-4509:
-------------------------------------------------------
Commit 2b4420c4738bb3aed3ae759fd93b6cbbdbc1eefd in lucene-solr's branch refs/heads/master from [~shalinmangar]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=2b4420c ]
SOLR-9262: Connection and read timeouts are being ignored by UpdateShardHandler after 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.
> -------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> 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 (7.0)
>
> 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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