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https://issues.apache.org/jira/browse/SOLR-4449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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philip hoy updated SOLR-4449:
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Attachment: SOLR-4449.patch
The patch implements backup requests only for the methods used by the
HttpShardHandler not for Solrj client type use.
The load balancer may be configured using something like the following:
{code:xml}
<shardHandlerFactory class="HttpBackupRequestShardHandlerFactory">
<int name="backupRequestDelay">1000</int>
<int name="maximumConcurrentRequests">2</int>
</shardHandlerFactory>
{code}
> 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: 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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