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https://issues.apache.org/jira/browse/LUCENE-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12660322#action_12660322
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markrmil...@gmail.com edited comment on LUCENE-1483 at 1/2/09 6:24 AM:
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So what looks like a promising strategy?
Off the top I am thinking something as simple as:
start with ORD with no fallback on the largest.
if the next segments are fairly large, use ORD_VAL
if the segments get somewhat smaller, move to ORD_DEM
Oddly, I've seen VAL perform well in certain situations, so maybe it has its
place, but I don't know where yet.
*edit*
Oh, yeah, queue size should also play a roll in the switching
was (Author: markrmil...@gmail.com):
So what looks like a promising strategy?
Off the top I am thinking something as simple as:
start with ORD with no fallback on the largest.
if the next segments are fairly large, use ORD_VAL
if the segments get somewhat smaller, move to ORD_DEM
Oddly, I've seen VAL perform well in certain situations, so maybe it has its
place, but I don't know where yet.
> Change IndexSearcher multisegment searches to search each individual segment
> using a single HitCollector
> --------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-1483
> URL: https://issues.apache.org/jira/browse/LUCENE-1483
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 2.9
> Reporter: Mark Miller
> Priority: Minor
> Attachments: LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch, LUCENE-1483.patch,
> LUCENE-1483.patch, LUCENE-1483.patch, sortBench.py, sortCollate.py
>
>
> FieldCache and Filters are forced down to a single segment reader, allowing
> for individual segment reloading on reopen.
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