Elasticsearch needs a logrotate file

[jernst]

Or maybe it actually rotates itself, but too much?

ls -al /var/log/elasticsearch
-rw-r--r-- 1 elasticsearch elasticsearch  7648216 Jan 13 02:07 gc.log
-rw-r--r-- 1 elasticsearch elasticsearch 40142539 Jan  8 03:30 gc.log.00
-rw-r--r-- 1 elasticsearch elasticsearch     1841 Jan  8 03:31 gc.log.01
...