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From "Shawn Heisey (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-6717) SolrCloud indexing performance when sending updates to incorrect core is terrible
Date Fri, 07 Nov 2014 17:20:34 GMT

     [ https://issues.apache.org/jira/browse/SOLR-6717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Shawn Heisey updated SOLR-6717:
-------------------------------
    Summary: SolrCloud indexing performance when sending updates to incorrect core is terrible
 (was: Indexing performance when sending updates to incorrect core is terrible)

> SolrCloud indexing performance when sending updates to incorrect core is terrible
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-6717
>                 URL: https://issues.apache.org/jira/browse/SOLR-6717
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 4.10.2
>            Reporter: Shawn Heisey
>             Fix For: 5.0, Trunk
>
>
> A user on the mailing list was sending document updates to a random node/core in his
SolrCloud.  Performance was not scaling anywhere close to what was expected.  Basically, indexing
performance was not scaling when adding shards and servers.
> As soon as the user implemented a smart router that was aware of the cloud structure
and could send to the proper shard leader, performance scaled exactly as expected.  It's not
Java code, so CloudSolrServer was not an option.
> There will always be some overhead involved when sending update requests to the wrong
shard replica, but hopefully something can be done about the performance hit.
> http://mail-archives.apache.org/mod_mbox/lucene-solr-user/201411.mbox/%3CCALswpfDQT4+_eZ6416gMyVHkuhdTYtxXxwxQabR6xeTZ8Lx=tQ@mail.gmail.com%3E



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