Am 15.05.2013 um 17:44 schrieb Matt <matt.mailinglists@xxxxxxxxx>:
> I have a shell script that's run every 5 minutes I use to call many
> other shell scripts. Is there a way to wait a random number of
> seconds before executing each line? Something like this.
>
> wait_random 10 - 180 (perl /scripts/my_script.pl) &
> wait_random 10 - 180 (perl /scripts/my_script5.pl) &
> wait_random 10 - 180 (perl /scripts/my_script7.pl) &
>
> I have many entries in this file and I background them all because
> most must poll network devices which can take time. None should take
> over 2 minutes though.
>
> When I run them all at once they bog the system and cause some of
> latency graphs on equipment being monitored to look poor.
for bash scripts:
MOD="45"
sleep "$[($RANDOM % $MOD)]"
# RANDOM Each time this parameter is referenced, a random integer between 0 and 32767 is generated.
# sleep will wait something beetween 0 and 45 seconds
--
LF
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