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From "Michael McCandless (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-4515) Make MemoryIndex more memory efficient
Date Thu, 01 Nov 2012 13:07:12 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-4515?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13488673#comment-13488673
] 

Michael McCandless commented on LUCENE-4515:
--------------------------------------------

What makes me nervous is the precedent of passing allocators to APIs of our public classes
(even if the API is package private) ...

Maybe we should fork off a separate issue to discuss the reuse / allocators?  The rest of
this patch looks awesome :)
                
> Make MemoryIndex more memory efficient
> --------------------------------------
>
>                 Key: LUCENE-4515
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4515
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: modules/other
>    Affects Versions: 4.0, 4.1, 5.0
>            Reporter: Simon Willnauer
>             Fix For: 4.1, 5.0
>
>         Attachments: LUCENE-4515.patch, LUCENE-4515.patch
>
>
> Currently MemoryIndex uses BytesRef objects to represent terms and holds an int[] per
term per field to represent postings. For highlighting this creates a ton of objects for each
search that 1. need to be GCed and 2. can't be reused.

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