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From "Mark Miller (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2821) Improve how cluster state is managed in ZooKeeper.
Date Thu, 01 Dec 2011 20:54:40 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161147#comment-13161147
] 

Mark Miller commented on SOLR-2821:
-----------------------------------

Sami said he noticed that 150ms of the 200ms it takes to update the cluster state looks like
its in parsing the XML. I wonder if json would be faster to parse...
                
> Improve how cluster state is managed in ZooKeeper.
> --------------------------------------------------
>
>                 Key: SOLR-2821
>                 URL: https://issues.apache.org/jira/browse/SOLR-2821
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Mark Miller
>             Fix For: 4.0
>
>
> Currently, we have issues supporting both incremental cluster state updates (needed because
reading the state with many ZK requests does not scale) and allowing shard/node properties
to change on the fly. We be nice to have a solution that allows faster cluster state reads
and easy on the fly shard/node prop changes.

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