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From "Jason Rutherglen (JIRA)" <>
Subject [jira] Updated: (LUCENE-1785) Simple FieldCache merging
Date Sat, 28 Nov 2009 21:39:20 GMT


Jason Rutherglen updated LUCENE-1785:

    Attachment: LUCENE-1785.patch

The sanity check is fixed by skipping the entry with a null
value. Removed some of the debugging. I think this patch
requires a way to handle merging field caches from segments that
have not yet created their field caches. We can generate the new
cache if we already have at least 75% of the required caches. 

Also we need to handle deletes.

> Simple FieldCache merging
> -------------------------
>                 Key: LUCENE-1785
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Search
>    Affects Versions: 2.4.1
>            Reporter: Jason Rutherglen
>            Priority: Minor
>             Fix For: 3.1
>         Attachments: LUCENE-1785.patch, LUCENE-1785.patch
>   Original Estimate: 48h
>  Remaining Estimate: 48h
> We'll merge the field caches in RAM as the SegmentReader's are
> merged in IndexWriter (the first cut will work in conjunction
> with IW.getReader). There will be an optional callback to
> determine which fields to merge. 

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