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Posted to issues@mesos.apache.org by "Andrei Sekretenko (JIRA)" <ji...@apache.org> on 2019/05/15 14:26:00 UTC
[jira] [Created] (MESOS-9786) Race between two REMOVE_QUOTA calls
crashes the master.
Andrei Sekretenko created MESOS-9786:
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Summary: Race between two REMOVE_QUOTA calls crashes the master.
Key: MESOS-9786
URL: https://issues.apache.org/jira/browse/MESOS-9786
Project: Mesos
Issue Type: Bug
Affects Versions: 1.8.0, 1.5.1, 1.8.1
Reporter: Andrei Sekretenko
The existence of the quota in the master is validated here:
[https://github.com/apache/mesos/blob/a9a2acabd03181865055b77cf81e7bb310b236d6/src/master/quota_handler.cpp#L700]
Then the quota is removed from master in a deferred method call:
[https://github.com/apache/mesos/blob/a9a2acabd03181865055b77cf81e7bb310b236d6/src/master/quota_handler.cpp#L744]
And then removed from allocator in another deferred call:
[https://github.com/apache/mesos/blob/a9a2acabd03181865055b77cf81e7bb310b236d6/src/master/quota_handler.cpp#L753]
So, there is a race between two simultaneous REMOVE_QUOTA calls.
We observe this race on a heavily loaded cluster. Currently we suspect that the client retries the call (due to the call being not processed for a long time), and this triggers the race.
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