[jira] [Created] (MESOS-9852) Slow memory growth due to deferred deletion of offer filters and timers.

["Benjamin Mahler (JIRA)" <ji...@apache.org>]

Benjamin Mahler created MESOS-9852:
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             Summary: Slow memory growth due to deferred deletion of offer filters and timers.
                 Key: MESOS-9852
                 URL: https://issues.apache.org/jira/browse/MESOS-9852
             Project: Mesos
          Issue Type: Bug
          Components: allocation, master
            Reporter: Benjamin Mahler


The allocator does not keep a handle to the offer filter timer, which means it cannot remove the timer overhead (in this case memory) when removing the offer filter earlier (e.g. due to revive):

https://github.com/apache/mesos/blob/1.8.0/src/master/allocator/mesos/hierarchical.cpp#L1338-L1352

In addition, the offer filter is allocated on the heap but not deleted until the timer fires (which might take forever!):

https://github.com/apache/mesos/blob/1.8.0/src/master/allocator/mesos/hierarchical.cpp#L1321
https://github.com/apache/mesos/blob/1.8.0/src/master/allocator/mesos/hierarchical.cpp#L1408-L1413
https://github.com/apache/mesos/blob/1.8.0/src/master/allocator/mesos/hierarchical.cpp#L2249

We'll need to try to backport this to all active release branches.



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