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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2904) non-contiguous LogMergePolicy should be careful to not select merges already running
Date Thu, 03 Feb 2011 23:42:29 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael McCandless updated LUCENE-2904:
---------------------------------------

    Attachment: LUCENE-2904.patch

Patch.

LogMP now skips any segments that are currently being merged (when requireContiguous is false).

> non-contiguous LogMergePolicy should be careful to not select merges already running
> ------------------------------------------------------------------------------------
>
>                 Key: LUCENE-2904
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2904
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-2904.patch
>
>
> Now that LogMP can do non-contiguous merges, the fact that it disregards which segments
are already being merged is more problematic since it could result in it returning conflicting
merges and thus failing to run multiple merges concurrently.

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