Am 21.04.2014 18:56, schrieb Leonid Isaev: > On Thu, 17 Apr 2014 21:31:07 +0200 > AFAIU, there are 2 real issues here: > 1. We hook to the boot process a bunch of disk-intensive operations which did > not belong there in the 1st place. > 2. Even if a boot delay for timers is implemented or the behavior of Type=idle > units is "fixed" somehow in systemd, still all "cron" timers will be started > in > parallel which may result in a slow/unresponsive system. Note, that under > anacron they were serialized by run-parts.
The Linux scheduler and I/O scheduler are supposed to handle such workloads gracefully. The units are configured to be in the proper io scheduling class and with proper nice values.
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