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From "Yonik Seeley (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3141) Deprecate OPTIMIZE command in Solr
Date Sun, 19 Feb 2012 16:22:46 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211395#comment-13211395
] 

Yonik Seeley commented on SOLR-3141:
------------------------------------

bq. With Lucene 3.x there is really no slowdown at all caused by multiple segments

There is less of a slowdown - but it's certainly still there.  Whether it matters or not will
depend on the exact use-cases.

bq. Solr has some problems with facetting, but people should use per-segment facetting and
not optimize

No... people should do whatever suits their usecase best.

Some very well informed users of Solr still optimize.  They change their index infrequently
(like once a day), and have determined that the performance increases they see by optimizing
make it worth it for them.


                
> Deprecate OPTIMIZE command in Solr
> ----------------------------------
>
>                 Key: SOLR-3141
>                 URL: https://issues.apache.org/jira/browse/SOLR-3141
>             Project: Solr
>          Issue Type: Improvement
>          Components: update
>    Affects Versions: 3.5
>            Reporter: Jan H√łydahl
>              Labels: force, optimize
>             Fix For: 3.6
>
>
> Background: LUCENE-3454 renames optimize() as forceMerge(). Please read that issue first.
> Now that optimize() is rarely necessary anymore, and renamed in Lucene APIs, what should
be done with Solr's ancient optimize command?

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