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From "Mo (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IGNITE-8882) Semaphore fails on network partitioning 1
Date Tue, 26 Jun 2018 22:05:00 GMT
Mo created IGNITE-8882:

             Summary: Semaphore fails on network partitioning 1
                 Key: IGNITE-8882
                 URL: https://issues.apache.org/jira/browse/IGNITE-8882
             Project: Ignite
          Issue Type: Bug
          Components: data structures
            Reporter: Mo

Scenario: Three servers (s1,s2,s3) two clients (c1, c2, c3, c4).

A semaphore with one permit is created. 


{{1. Release acquired permits if the node that owned them left topology: set to false}}

2.  TCP discovery mode: on


 # c2 acquires the permit.
 # Network failure happens, isolating s1,s2, c1, and c3 from s3, c2, and c4 (i.e., (s1,s2,c1,c3),(s3,c2,c4)})
 # c2 releases the lock
 # c1 and c3 try to acquire lock, but fail (an exception happens)

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