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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