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Posted to dev@lucene.apache.org by "selckin (JIRA)" <ji...@apache.org> on 2013/06/17 17:01:25 UTC
[jira] [Commented] (LUCENE-4876) IndexWriterConfig.clone should
clone the MergeScheduler
[ https://issues.apache.org/jira/browse/LUCENE-4876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13685638#comment-13685638 ]
selckin commented on LUCENE-4876:
---------------------------------
The new requirement to implement clone() is not very well documented in the release notes or in the javadoc, and can silently break things on upgrading
> IndexWriterConfig.clone should clone the MergeScheduler
> -------------------------------------------------------
>
> Key: LUCENE-4876
> URL: https://issues.apache.org/jira/browse/LUCENE-4876
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Fix For: 4.3
>
> Attachments: LUCENE-4876.patch, LUCENE-4876.patch
>
>
> ConcurrentMergeScheduler has a List<MergeThread> member to track the running merging threads, so IndexWriterConfig.clone should clone the merge scheduler so that both IndexWriterConfig instances are independant.
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