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https://issues.apache.org/jira/browse/LUCENE-9191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless reassigned LUCENE-9191:
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    Assignee: Michael McCandless

> Fix linefiledocs compression or replace in tests
> ------------------------------------------------
>
>                 Key: LUCENE-9191
>                 URL: https://issues.apache.org/jira/browse/LUCENE-9191
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Robert Muir
>            Assignee: Michael McCandless
>            Priority: Major
>
> LineFileDocs(random) is very slow, even to open. It does a very slow "random 
> skip" through a gzip compressed file.
> For the analyzers tests, in LUCENE-9186 I simply removed its usage, since 
> TestUtil.randomAnalysisString is superior, and fast. But we should address 
> other tests using it, since LineFileDocs(random) is slow!
> I think it is also the case that every lucene test has probably tested every 
> LineFileDocs line many times now, whereas randomAnalysisString will invent 
> new ones.
> Alternatively, we could "fix" LineFileDocs(random), e.g. special compression 
> options (in blocks)... deflate supports such stuff. But it would make it even 
> hairier than it is now.



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