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Posted to issues@lucene.apache.org by "Robert Muir (Jira)" <ji...@apache.org> on 2020/02/05 02:41:00 UTC

[jira] [Commented] (LUCENE-9206) improve IndexMergeTool

    [ https://issues.apache.org/jira/browse/LUCENE-9206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17030313#comment-17030313 ] 

Robert Muir commented on LUCENE-9206:
-------------------------------------

Attached is an initial stab:

It allows you to specify merge policy (default: TieredMP), maximum number of segments to forceMerge (default: no forceMerging), and verbose (infostream).


> improve IndexMergeTool
> ----------------------
>
>                 Key: LUCENE-9206
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9206
>             Project: Lucene - Core
>          Issue Type: Task
>          Components: general/tools
>            Reporter: Robert Muir
>            Priority: Major
>         Attachments: LUCENE-9206.patch
>
>
> This tool can have performance problems since it will only force merge the index down to one segment. Let's give it some better options and default behavior.



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