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From "Earwin Burrfoot (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2960) Allow (or bring back) the ability to setRAMBufferSizeMB on an open IndexWriter
Date Fri, 11 Mar 2011 12:35:59 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005617#comment-13005617
] 

Earwin Burrfoot commented on LUCENE-2960:
-----------------------------------------

As I said on the list - if one needs to change IW config, he can always recreate IW with new
settings.
Such changes cannot happen often enough for recreation to affect indexing performance.

The fact that you can change IW's behaviour post-construction by modifying unrelated IWC instance
is frightening. IW should either make a private copy of IWC when constructing, or IWC should
be made immutable.

> Allow (or bring back) the ability to setRAMBufferSizeMB on an open IndexWriter
> ------------------------------------------------------------------------------
>
>                 Key: LUCENE-2960
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2960
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Shay Banon
>            Priority: Blocker
>             Fix For: 3.1, 4.0
>
>
> In 3.1 the ability to setRAMBufferSizeMB is deprecated, and removed in trunk. It would
be great to be able to control that on a live IndexWriter. Other possible two methods that
would be great to bring back are setTermIndexInterval and setReaderTermsIndexDivisor. Most
of the other setters can actually be set on the MergePolicy itself, so no need for setters
for those (I think).

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