Meng Zhu created MESOS-9975:
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Summary: Sorter may leak clients.
Key: MESOS-9975
URL: https://issues.apache.org/jira/browse/MESOS-9975
Project: Mesos
Issue Type: Bug
Components: allocation
Reporter: Meng Zhu
In MESOS-9015, we allowed resource quantities to change when updating an
existing allocation. When the allocation is updated to empty, however, we
forget to remove the client in the map in the `sorter::update()` if the
`newAllocation` is `empty()`.
https://github.com/apache/mesos/blob/master/src/master/allocator/mesos/sorter/drf/sorter.hpp#L382-L384
The above case could happen, for example, when a CSI volume with a stale
profile is destroyed, it would be better to convert it into an empty resource
since the disk space is no longer available.
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