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https://issues.apache.org/jira/browse/LUCENE-1539?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12702436#action_12702436
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Michael McCandless commented on LUCENE-1539:
--------------------------------------------
{quote}
Yeah? Ok. So the deleteDocsByPercent method needs to somehow
take into account whether it's deleted before by adjusting the
doc nums it's deleting?
{quote}
How about randomly choosing docs to delete instead of every N? Then
you don't need to keep track?
{quote}
> I don't think we can relax that. This (single transaction
> (writer) open at once) is a core assumption in Lucene.
True, however doesn't mean we have to stick with it, especially
internally. Hopefully we can move to a more componentized model
someone could change this if they wanted. Perhaps in the
flexible indexing revamp
{quote}
We'd need to figure out how to get multiple writers to properly
"cooperate". Actually Marvin is working on something like this (for
KS/Lucy), where one "lightweight" writer can do adds/deletes/small
merges, and a separate "heavyweight" writer does large merges.
> Improve Benchmark
> -----------------
>
> Key: LUCENE-1539
> URL: https://issues.apache.org/jira/browse/LUCENE-1539
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/benchmark
> Affects Versions: 2.4
> Reporter: Jason Rutherglen
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-1539.patch, LUCENE-1539.patch, LUCENE-1539.patch,
> LUCENE-1539.patch, sortBench2.py, sortCollate2.py
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> Benchmark can be improved by incorporating recent suggestions posted
> on java-dev. M. McCandless' Python scripts that execute multiple
> rounds of tests can either be incorporated into the codebase or
> converted to Java.
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