/etc/init/flush-early-job-log.conf is in upstart 1.13.2-0ubuntu21.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | # flush-early-job-log - Ensure cached output from jobs that finish
# before the disk is writeable are flushed to disk as soon as it does
# becomes writeable.
description "flush early job output to logs"
task
start on filesystem
exec initctl notify-disk-writeable
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