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Posted to dev@lucene.apache.org by "Jason Rutherglen (JIRA)" <ji...@apache.org> on 2009/07/17 00:32:14 UTC
[jira] Updated: (LUCENE-1750) LogByteSizeMergePolicy doesn't keep
segments under maxMergeMB
[ https://issues.apache.org/jira/browse/LUCENE-1750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jason Rutherglen updated LUCENE-1750:
-------------------------------------
Attachment: LUCENE-1750.patch
Unit test illustrating the issue.
> LogByteSizeMergePolicy doesn't keep segments under maxMergeMB
> -------------------------------------------------------------
>
> Key: LUCENE-1750
> URL: https://issues.apache.org/jira/browse/LUCENE-1750
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.4.1
> Reporter: Jason Rutherglen
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1750.patch
>
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Basically I'm trying to create largish 2-4GB shards using
> LogByteSizeMergePolicy, however I've found in the attached unit
> test segments that exceed maxMergeMB.
> The goal is for segments to be merged up to 2GB, then all
> merging to that segment stops, and then another 2GB segment is
> created. This helps when replicating in Solr where if a single
> optimized 60GB segment is created, the machine stops working due
> to IO and CPU starvation.
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