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From "Michael McCandless (JIRA)" <>
Subject [jira] Commented: (LUCENE-1960) Remove deprecated Field.Store.COMPRESS
Date Mon, 26 Oct 2009 09:57:59 GMT


Michael McCandless commented on LUCENE-1960:

bq. I do not know if this is a bug in 2.9.0, but it seems that segments with all documents
deleted are not automatically removed

Lucene doesn't actually short-circuit this case, ie, if every single doc in a given segment
has been deleted, it will still merge it [away] like normal, rather than simply dropping it
immediately from the index, which I agree would be a simple optimization.  Can you open a
new issue?  I would think IW can drop such a segment immediately (ie not wait for a merge
or optimize) on flushing new deletes.

> Remove deprecated Field.Store.COMPRESS
> --------------------------------------
>                 Key: LUCENE-1960
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Task
>            Reporter: Michael Busch
>            Assignee: Michael Busch
>            Priority: Minor
>             Fix For: 3.0
>         Attachments: lucene-1960-1.patch, lucene-1960-1.patch, lucene-1960.patch, optimize-time.txt
> Also remove FieldForMerge and related code.

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