Benjamin Mahler created MESOS-396:
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Summary: Slave GarbageCollector needs to delete the parent
executor directories. It currently only deletes the executor run directories.
Key: MESOS-396
URL: https://issues.apache.org/jira/browse/MESOS-396
Project: Mesos
Issue Type: Bug
Reporter: Benjamin Mahler
Priority: Blocker
The result of this is that long lived slaves accumulate a large number of empty
executor directories. All that remains in these directories is a broken link to
the 'latest' run.
Over time, as the slave approaches having LINK_MAX empty executor directories,
the slave will crash from mkdir failing, as was found in MESOS-391.
The fix is that we have to schedule the executor parent directories for
deletion, however the GC module does not know whether the parent executor can
be deleted! This is because there could be more tasks launched with the same
executor id, since having scheduled the directory for deletion.
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