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https://issues.apache.org/jira/browse/SOLR-5808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14680263#comment-14680263
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Guido commented on SOLR-5808:
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Hello. As a workaround, what if I create a replica of each shard and then I
split the replicas? If the creation of the replica re-builds completely the
index on the replica, then each replica will contain several segments of
reduced dimensions and the shard split will not go in oom. Could it be a
workaround or the creation of the replica just copies the same index keeping
the same number of segments? Thanks
> collections?action=SPLITSHARD running out of heap space due to large segments
> -----------------------------------------------------------------------------
>
> Key: SOLR-5808
> URL: https://issues.apache.org/jira/browse/SOLR-5808
> Project: Solr
> Issue Type: Bug
> Components: update
> Affects Versions: 4.7
> Reporter: Will Butler
> Assignee: Shalin Shekhar Mangar
> Labels: outofmemory, shard, split
>
> This issue is related to [https://issues.apache.org/jira/browse/SOLR-5214].
> Although memory issues due to merging have been resolved, we still run out of
> memory when splitting a shard containing a large segment (created by
> optimizing). The Lucene MultiPassIndexSplitter is able to split the index
> without error.
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