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https://issues.apache.org/jira/browse/LUCENE-2159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12856917#action_12856917
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Shai Erera commented on LUCENE-2159:
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bq. There is an excellent section on it in LIA2
Indeed !
Ok so to create a task, you just extend PerfTask. You can look under
contrib/benchmark/src/java/o.a.l/benchmark/byTask/tasks for many examples.
OptimizeTask seems relevant here (i.e. it calls an IW API and receives a
parameter).
For writing .alg files, that's SUPER simple, just look under
contrib/benchmark/conf for many existing examples. You can post a patch once
you feel comfortable enough with it and I can help you with the struggles (if
you'll run into any). Another great source (besides LIA2) on writing .alg files
is the package.html under
contrib/benchmark/src/java/org/apache/lucene/benchmark/byTask.
> Tool to expand the index for perf/stress testing.
> -------------------------------------------------
>
> Key: LUCENE-2159
> URL: https://issues.apache.org/jira/browse/LUCENE-2159
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/*
> Affects Versions: 3.0
> Reporter: John Wang
> Attachments: ExpandIndex.java
>
>
> Sometimes it is useful to take a small-ish index and expand it into a large
> index with K segments for perf/stress testing.
> This tool does that. See attached class.
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