Solr killed by kernel because of out of memory

Related to #496 (closed) #495 (closed)

To record what happened: Solr was killed by kernel because of out of memory, twice in the recent days.

ls /var/log/solr
[...]
-rw-r--r-- 1 solr solr       87 Sep 14 10:07 solr_oom_killer-8983-2019-09-14_10_07_10.log
-rw-r--r-- 1 solr solr       87 Sep 17 17:29 solr_oom_killer-8983-2019-09-17_17_29_21.log

Since we don't monitor server processes we can't say what process did take the memory. But this is probably one or many gitlab-runner jobs.

Solution

Move runners to another server: #496 (closed)