Anindya Sinha created MESOS-7308:
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Summary: Race condition in `updateAllocation()` on DESTORY of a
shared volume.
Key: MESOS-7308
URL: https://issues.apache.org/jira/browse/MESOS-7308
Project: Mesos
Issue Type: Bug
Components: general
Reporter: Anindya Sinha
Assignee: Anindya Sinha
When a {{DESTROY}} (for shared volume) is processed in the master actor, we
rescind pending offers to which the volume to be destroyed is already offered
to. Before allocator executes the {{updateAllocation()}} API, offers with the
same shared volume can be sent to frameworks since the destroyed shared volume
is not removed from {{slaves.total}} till {{updateAllocation()}} completes. As
a result, the following check can fail:
{code}
CHECK_EQ(
frameworkAllocation.flatten().createStrippedScalarQuantity(),
updatedFrameworkAllocation.flatten().createStrippedScalarQuantity());
{code}
We need to address this condition by not failing the {{CHECK_EQ}}, and also
ensuring that the master's state is restored to honor the {{DESTROY}} of the
shared volume.
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