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Posted to dev@lucene.apache.org by "philip hoy (JIRA)" <ji...@apache.org> on 2013/03/03 09:35:13 UTC
[jira] [Commented] (SOLR-4449) Enable backup requests for the
internal solr load balancer
[ https://issues.apache.org/jira/browse/SOLR-4449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591681#comment-13591681 ]
philip hoy commented on SOLR-4449:
----------------------------------
Seems like the ExecutorCompletionService<T>.poll(time) method is costly. Need to figure out a way of delaying the backup requests using a different mechanism.
> Enable backup requests for the internal solr load balancer
> ----------------------------------------------------------
>
> Key: SOLR-4449
> URL: https://issues.apache.org/jira/browse/SOLR-4449
> Project: Solr
> Issue Type: New Feature
> Components: SolrCloud
> Reporter: philip hoy
> Priority: Minor
> Attachments: patch-4449.txt, SOLR-4449.patch, SOLR-4449.patch
>
>
> Add the ability to configure the built-in solr load balancer such that it submits a backup request to the next server in the list if the initial request takes too long. Employing such an algorithm could improve the latency of the 9xth percentile albeit at the expense of increasing overall load due to additional requests.
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