Benjamin Mahler created MESOS-10133:
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Summary: Task launched with 0 scalar value for persistent volume.
Key: MESOS-10133
URL: https://issues.apache.org/jira/browse/MESOS-10133
Project: Mesos
Issue Type: Bug
Components: master
Reporter: Benjamin Mahler
We saw the following task launch message:
{noformat}
I0520 17:58:11.559875 2913 master.cpp:4985] Launching task T of framework
288ebd4e-8bbf-4f2a-ac3a-2e5eb2885266 (name) with resources
[{"allocation_info":{"role":"role"},"disk":{"persistence":{"id":"ID","principal":"p"},"volume":{"container_path":"path","mode":"RW"}},"name":"disk","reservations":[{"labels":{"labels":[{"key":"marathon_framework_id","value":"16fa03ca-0048-4124-bdac-aff56e679c95-0000"},{"key":"marathon_task_id","value":"T"}]},"principal":"p","role":"role","type":"DYNAMIC"}],"scalar":{"value":0.0},"type":"SCALAR"},{"allocation_info":{"role":"role"},"name":"mem","scalar":{"value":544.0},"type":"SCALAR"},{"allocation_info":{"role":"role"},"name":"cpus","scalar":{"value":0.1},"type":"SCALAR"}]
on agent 16fa03ca-0048-4124-bdac-aff56e679c95-S49 at slave(1)@IP:5051 (IP) on
new executor
{noformat}
In which the persistent volume is being used with a 0 scalar value. This should
have been considered invalid since we require the entire persistent volume to
be used, however perhaps it gets considered as not being used since the value
is 0 (e.g. cpus:1;foobars:0 == cpus:1).
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