Chandni Singh created YARN-8744:
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Summary: To stop non-privileged containers docker kill is used
instead of sending the signal directly
Key: YARN-8744
URL: https://issues.apache.org/jira/browse/YARN-8744
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Chandni Singh
Assignee: Chandni Singh
With YARN-8706, stopping docker containers was achieved by
1. parsing the user specified {{STOPSIGNAL}} via docker inspect
2. executing {{docker kill --signal=<STOPSIGNAL>}}
Quoting [~ebadger]
{quote}
Additionally, for non-privileged containers, we don't need to call docker kill.
Instead, we can follow the code in handleContainerKill() and send the signal
directly. I think this code could probably be combined, since at this point
handleContainerKill() and handleContainerStop() will be doing the same thing.
The only difference is that the STOPSIGNAL will be used for the stop.
{quote}
To achieve the above, we need native code that accepts the name of the signal
rather than the value (number) of the signal.
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