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Ivan Pavlukhin edited comment on IGNITE-9322 at 12/18/18 7:17 AM:
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[~gvvinblade] could you please review changes? There are still some points to
agree on.
was (Author: pavlukhin):
[~gvvinblade] could you please review changes? There are still some point to
agree on.
> MVCC: implement deadlock detector
> ---------------------------------
>
> Key: IGNITE-9322
> URL: https://issues.apache.org/jira/browse/IGNITE-9322
> Project: Ignite
> Issue Type: Task
> Components: mvcc
> Reporter: Vladimir Ozerov
> Assignee: Ivan Pavlukhin
> Priority: Major
> Labels: MakeTeamcityGreenAgain
>
> Deadlocks are not uncommon during SQL execution.
> We need to implement distributed deadlock detection protocol for MVCC.
> Essentially, nodes should exchange some map of tx wait lists, and try to find
> a loop. If loop is found, then one of problematic transactions should be
> rolled back.
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