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Posted to issues@ignite.apache.org by "Vladislav Pyatkov (Jira)" <ji...@apache.org> on 2022/11/25 19:29:00 UTC

[jira] [Comment Edited] (IGNITE-17733) Change lock manager implementation

    [ https://issues.apache.org/jira/browse/IGNITE-17733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17638752#comment-17638752 ] 

Vladislav Pyatkov edited comment on IGNITE-17733 at 11/25/22 7:28 PM:
----------------------------------------------------------------------

Merged 50ea73e3daf1885c60db3c1fa97650b538f6f5f0
[~Denis Chudov] Thank you for contribution


was (Author: v.pyatkov):
Merged 50ea73e3daf1885c60db3c1fa97650b538f6f5f0
Thank you for contribution

> Change lock manager implementation
> ----------------------------------
>
>                 Key: IGNITE-17733
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17733
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Vladislav Pyatkov
>            Assignee: Denis Chudov
>            Priority: Major
>              Labels: ignite-3
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> *Motivation:*
> Lock manager should be based on _Wait-Die_ deadlock resolution strategy by default. The conception is implemented in [POC|https://github.com/ascherbakoff/ai3-txn-mvp].
> Since current implementation has another resolution strategy, some tests will become failing. All those test should to be fixed as a part of the ticket.
> *Definition of Done:*
> Required to replace implementation of _HeapLockManager_ to [_Lock_ |https://github.com/ascherbakoff/ai3-txn-mvp/blob/main/src/main/java/com/ascherbakoff/ai3/lock/Lock.java] and adjusted API. 
> Hence, the lock resolution strategy is changed, it leads to failing of tests from _AbstractLockManagerTest_ and _TxAbstractTest_. These failings have to be fixed.
> Property IGNITE_ALL_LOCK_TYPES_ARE_USED should be removed.
> *Workaround:*
> Until, this issue does not be fixed, we use lock only on primary keys. This behavior is turned by property IGNITE_ALL_LOCK_TYPES_ARE_USED.



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