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https://issues.apache.org/jira/browse/LUCENE-2960?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13005311#comment-13005311
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Yonik Seeley commented on LUCENE-2960:
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IMO, this is such an obscure usecase that we shouldn't introduce any extra
complexity to implement it.
For example, we should not guarantee exactly *when* a change to
setRAMBufferSizeMB will be seen... that could introduce the need for extra
synchronization / memory barriers.
> 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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