[jira] [Resolved] (SOLR-5214) collections?action=SPLITSHARD running out of heap space due to merge

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-5214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shalin Shekhar Mangar resolved SOLR-5214.
-----------------------------------------

       Resolution: Fixed
    Fix Version/s: 4.7
                   5.0

Thanks Christine!

> collections?action=SPLITSHARD running out of heap space due to merge
> --------------------------------------------------------------------
>
>                 Key: SOLR-5214
>                 URL: https://issues.apache.org/jira/browse/SOLR-5214
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 4.3
>            Reporter: Christine Poerschke
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 5.0, 4.7
>
>         Attachments: SOLR-5214.patch
>
>
> The problem we saw was that splitting a shard with many segments and documents
> failed by running out of heap space.
> Increasing heap space so that all existing segments could be merged into one
> overall segment does not seem practical. Running the split without segment
> merging worked.
> Could split always run without merging, or merge=true/false be an optional parameter for the SPLITSHARD action?



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