** Description changed:
Binary package hint: findutils
I see a couple problems with the /etc/cron.daily/find cron job in the
findutils 4.2.31-1ubuntu2 package (Gutsy RC).
1) There's an extra space in the shebang line (cosmetic)...
#! /bin/sh
2) It's passing a priority to ionice with the -p flag, however according to
the ionice man page, the -p flag specifies a pid. This causes ionice to fail
to run.
cd / && nice -n ${NICE:-10} ionice -c ${IONICE_CLASS:-2} -p
${IONICE_PRIORITY:-7} updatedb
> ioprio_set: No such process
" -p Pass in a process pid to change an already running process. "
TEST CASE:
- 1) wait for updatedb (/etc/cron.daily/find) to run from cron (happens daily
at 06:25 -- adjust system clock to force a run)
+ 1) force updatedb (/etc/cron.daily/find) to run via 'sudo
/etc/cron.daily/find'
2) while updatedb runs, examine io priority with "ionice $(pidof updatedb)"
3) should report "best-effort: prio 7" (broken behavior shows "none: prio 0")
--
updatedb cron job re-nices wrong process (pid 7 by default)!
https://bugs.launchpad.net/bugs/152692
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