With the sysctl settings provided by Pete (vm.min_free_kbytes = 100
and vm.zone_reclaim_mode = 1), we've been running the linux-aws
4.4.0-1028.37 kernel successfully without an OOM killer invocation for
about four days now. Previously we would have seen three or more
occurrences of this per day
We are also experiencing this issue running linux-aws 4.4.0-1028.37,
which tracks Ubuntu kernel 4.4.0-89.112. Our use case is very similar to
comment #86
(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1655842/comments/86).
In our case ElasticSearch 2.4.5 is running under Java 1.8.0_131 with
Apologies - the file was inadvertently split by logrotate. I have
concatenated the entire contents of kern.log and kern.log.1 into the
attached file; these are the only kern.log files in /var/log on the
system.
I do have to redact the hostname in question, but it is a simple
substitution of 'local
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