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From Fuud <...@git.apache.org>
Subject [GitHub] cassandra pull request #127: CASSANDRA-13652: Deadlock in AbstractCompaction...
Date Sat, 01 Jul 2017 12:59:00 GMT
GitHub user Fuud opened a pull request:

    https://github.com/apache/cassandra/pull/127

    CASSANDRA-13652: Deadlock in AbstractCompactionManager

    Change incorrect usage of LockSupport.park/unpark to Semaphore.
    Old implementation can deadlock because permit from unpark invocation can be consumed
by park inside logging framework and manager thread will be parked forever.
    
    https://issues.apache.org/jira/browse/CASSANDRA-13652

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/Fuud/cassandra commitlog_deadlock

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cassandra/pull/127.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #127
    
----
commit 175be27297e9933906a9261cd8d0af3a772bff24
Author: Fedor Bobin <fuudtorrentsru@gmail.com>
Date:   2017-07-01T12:53:22Z

    CASSANDRA-13652: Deadlock in AbstractCompactionManager

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