AWS Systems Manager Patch Manager — Memory usage

Decided it was time I set this up in addition to periodically doing a full yum update. It was failing and the output is truncated in Systems Manager, writing the logs to S3 did not help much either. Finally looked at /var/log/messages and between various amazon-ssm-agent lines a bunch familiar looking kernel message related to oom-killer.

The python2.7 script executed as part of patch manager takes nearly a whopping 400MB of ram to run.

39.3% of a t3a.micro

By the way python 2 is finally dead according to the python peoples.

Reduced the amount of Apache threads my little web server was running to free up some memory for this hog.

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