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https://issues.apache.org/jira/browse/LUCENE-8331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16493480#comment-16493480
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David Smiley commented on LUCENE-8331:
--------------------------------------
bq. can it just be a utility class that I call from a test or so I mean I am
not sure how userfriendly it is to specify classpaths etc. I'd just run it from
a test.
Ooh, ok. FWIW what I do is simply right-click the main method and tell my IDE
to run it. It fails the first go-round because it needs args so then I update
the args. Since it's on the test classpath and run from my IDE, there's no
issue. I expect others can just run it similarly? Documentation could spell
this out! Why would a test call this? To assert that the stats are "good"?
{quote}I think it should support deletes and should not use IW then I ok with it
{quote}
Sure thing – now made possible with LUCENE-8330. I'll work on this.
> MergePolicy simulator utility
> -----------------------------
>
> Key: LUCENE-8331
> URL: https://issues.apache.org/jira/browse/LUCENE-8331
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: David Smiley
> Assignee: David Smiley
> Priority: Major
> Attachments: LUCENE-8331.patch
>
>
> This issue introduces a MergePolicy simulator utility to help evaluate the
> effectiveness of a MergePolicy. The simulator does not result in the actual
> indexing and merging of segments; instead it provides some dummy constructs
> to MergePolicy to evaluate its decisions. Therefore you can do simulation
> runs in little time.
> I'm not sure where it would live. Perhaps dev-tools, or in tests, or in
> benchmark?
> I mentioned this recently here:
> https://issues.apache.org/jira/browse/LUCENE-7976?focusedCommentId=16446985&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16446985
>
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