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https://issues.apache.org/jira/browse/LUCENE-2807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12969703#action_12969703
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Robert Muir commented on LUCENE-2807:
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Or we could just default to the right one based on what options you use?
if you are using multiple iterations, we use the multiple iterations formatter,
etc?
> Improve test debuggability through ant
> --------------------------------------
>
> Key: LUCENE-2807
> URL: https://issues.apache.org/jira/browse/LUCENE-2807
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Tests
> Reporter: Michael McCandless
> Fix For: 4.0
>
>
> Some small improvements would go a long ways...
> When trying to debug an intermittent fail, I usually run w/
> -Dtests.verbose=true and w/ many iters. But because the formatter buffers
> this can hit OOME, so maybe we make an unbuffered formatter. Also, it'd be
> nice if we could have the formatter discard output for a given iter if there
> was no failure, and I think the iters should stop as soon as a failure is hit.
> Maybe somehow we make a new tests.mode that would switch on these behaviours?
> Unbuffered formatter is also vital when debugging a deadlock...
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