Bug 290201 – updatedb on laptop starts, even when AC power is unplugged

• Status: CONFIRMED
• Product: Gentoo Linux

[Description Kai Dietrich 2009-10-23 07:09:10 UTC]

When a laptop doesn't have AC power plugged in, the /etc/cron.daily/slocate job should not start because it takes alot of power from the battery. Also the updatedb job should start niced and, if possible even ioniced. I created a modified /etc/cron.daily/slocate script for myself and just wanted it to share. I don't know if the acpi/AC power detection works on all laptops, just wanted to share the idea.

Reproducible: Always

Steps to Reproduce:
1. unplug ac power
2. wait until updatedb cronjob starts

[Comment 1 Kai Dietrich 2009-10-23 07:10:52 UTC]

Created attachment 207962 [details]
/etc/cron.daily/slocate

/etc/cron.daily/slocate which starts updatedb whith ionice and nice and doesn't start updatedb at all when ac-power is unplugged

[Comment 2 Kai Dietrich 2009-10-23 07:17:17 UTC]

Created attachment 207963 [details]
/etc/cron.daily/slocate

reversed defaults for fault tolerance

[Comment 3 SpanKY 2009-10-24 08:58:31 UTC]

Comment on attachment 207963 [details]
/etc/cron.daily/slocate

except the ACSTATEFILE you use is not universal.  some people have multiple AC's.  look at the latest openrc code as an example.