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Posted to dev@lucene.apache.org by "Shalin Shekhar Mangar (JIRA)" <ji...@apache.org> on 2014/12/18 18:46:13 UTC
[jira] [Resolved] (SOLR-6554) Speed up overseer operations for
collections with stateFormat > 1
[ https://issues.apache.org/jira/browse/SOLR-6554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shalin Shekhar Mangar resolved SOLR-6554.
-----------------------------------------
Resolution: Fixed
Fix Version/s: Trunk
5.0
Assignee: Shalin Shekhar Mangar
This is fixed. Thanks everyone.
Let's discuss stateFormat=2 as default for 5.0 in it's own separate issue.
> Speed up overseer operations for collections with stateFormat > 1
> -----------------------------------------------------------------
>
> Key: SOLR-6554
> URL: https://issues.apache.org/jira/browse/SOLR-6554
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 5.0, Trunk
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: 5.0, Trunk
>
> Attachments: SOLR-6554-batching-refactor.patch, SOLR-6554-batching-refactor.patch, SOLR-6554-batching-refactor.patch, SOLR-6554-batching-refactor.patch, SOLR-6554-workqueue-fixes.patch, SOLR-6554-workqueue-fixes.patch, SOLR-6554-workqueue-fixes.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch, SOLR-6554.patch
>
>
> Right now (after SOLR-5473 was committed), a node watches a collection only if stateFormat=1 or if that node hosts at least one core belonging to that collection.
> This means that a node which is the overseer operates on all collections but watches only a few. So any read goes directly to zookeeper which slows down overseer operations.
> Let's have the overseer node watch all collections always and never remove those watches (except when the collection itself is deleted).
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