Kunal Thakar created MESOS-6295:
-----------------------------------
Summary: Excessive logging on agent when oversubscription modules
are attached
Key: MESOS-6295
URL: https://issues.apache.org/jira/browse/MESOS-6295
Project: Mesos
Issue Type: Bug
Components: oversubscription
Reporter: Kunal Thakar
The mesos agent is logging a INFO log in the agent that prints out the number
of QoS corrections received from the module [1]. By default, this method gets
called in a tight loop, which results in the logs getting flooded with noise.
{code}
mesos-slave[14591]: I0930 17:31:19.278774 14598 slave.cpp:5049] Received 0 QoS
corrections
mesos-slave[14591]: I0930 17:31:19.280088 14602 slave.cpp:5049] Received 0 QoS
corrections
mesos-slave[14591]: I0930 17:31:19.281497 14599 slave.cpp:5049] Received 0 QoS
corrections
mesos-slave[14591]: I0930 17:31:19.282856 14614 slave.cpp:5049] Received 0 QoS
corrections
{code}
Even after reducing the QoS checking frequency, this line does not make for a
good INFO log as it is periodic. Can we change it to only log when there are
non zero number of corrections received from the module? I can send a patch if
this is acceptable.
[1] https://github.com/apache/mesos/blob/master/src/slave/slave.cpp#L5523
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