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Posted to dev@lucene.apache.org by "Yuki Yano (JIRA)" <ji...@apache.org> on 2017/12/06 06:58:00 UTC
[jira] [Updated] (SOLR-11727) Add an extension of LBHttpSolrClient
for the better load-balancing.
[ https://issues.apache.org/jira/browse/SOLR-11727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuki Yano updated SOLR-11727:
-----------------------------
Attachment: SOLR-11727.patch
> Add an extension of LBHttpSolrClient for the better load-balancing.
> -------------------------------------------------------------------
>
> Key: SOLR-11727
> URL: https://issues.apache.org/jira/browse/SOLR-11727
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Components: search, SolrJ
> Reporter: Yuki Yano
> Priority: Minor
> Attachments: SOLR-11727.patch
>
>
> We propose a new type of {{LBHttpSolrClient}} which uses UCB algorithm to select a next candidate from replicas.
> This new client uses past responses (currently, only QTime) to calculate the priority of each replica, and selects the best one for keeping the stability of latencies.
> Our experiment shows that the new client performed better than {{LBHttpSolrClient}} with failure cases such as the performance of one node goes down by some reasons.
> Please see attached PDF for more details.
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