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From "Dawid Weiss (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-5197) Add a method to SegmentReader to get the current index heap memory size
Date Tue, 03 Sep 2013 08:40:52 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-5197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13756452#comment-13756452
] 

Dawid Weiss commented on LUCENE-5197:
-------------------------------------

I can foresee how all this calculations go out of sync with changing implementations :) Wouldn't
RamUsageEstimator (or its modification) be a better choice to do it dynamically somehow?

I realize there is an overhead involved, but it should be more portable/ accurate/ easier
to maintain if it's not implemented separately in all of these classes.

Just a thought.
                
> Add a method to SegmentReader to get the current index heap memory size
> -----------------------------------------------------------------------
>
>                 Key: LUCENE-5197
>                 URL: https://issues.apache.org/jira/browse/LUCENE-5197
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/codecs, core/index
>            Reporter: Areek Zillur
>         Attachments: LUCENE-5197.patch
>
>
> It would be useful to at least estimate the index heap size being used by Lucene. Ideally
a method exposing this information at the SegmentReader level.

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