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https://issues.apache.org/jira/browse/LUCENE-6293?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-6293:
---------------------------------
Attachment: LUCENE-6293.patch
There are two suggested ways to fix the issue, either change the max stack size
or change the condition upon which consecutive runs are collapsed. I opted for
the first one which is easier to implement.
Since the code that demonstrates the bug is under ASL 2.0, I reused it for the
test case.
> TimSort bug
> -----------
>
> Key: LUCENE-6293
> URL: https://issues.apache.org/jira/browse/LUCENE-6293
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6293.patch
>
>
> Robert pointed me to
> http://envisage-project.eu/proving-android-java-and-python-sorting-algorithm-is-broken-and-how-to-fix-it/
> yesterday which explains how most implementations of TimSort are broken. We
> should check our TimSorter.
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