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Posted to issues@ignite.apache.org by "Maxim Muzafarov (Jira)" <ji...@apache.org> on 2019/10/21 13:34:00 UTC
[jira] [Updated] (IGNITE-9322) MVCC: implement deadlock detector
[ https://issues.apache.org/jira/browse/IGNITE-9322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Maxim Muzafarov updated IGNITE-9322:
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Ignite Flags: Docs Required,Release Notes Required (was: Docs Required)
> 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
> Fix For: 2.8
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> 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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