Manuel Giraud:

> Everyday around noon, I'm updating /usr/src, /usr/xenocara and
> /usr/ports with a "cvs up" from the mirror:
> [email protected]:/cvs
> 
> This update takes up to one hour but more worrying is that in the
> meantime, the machine is barely usable.  I guess that this is mostly due
> to IO but I don't know how to debug this.

Very odd.

I checked out a copy of the ports tree with tag OPENBSD_7_9 from
the mirror above, then ran "time cvs -q up -AdP":
   12m30.58s real     1m06.30s user     3m12.08s system

The machine I used was a lowly PC Engines APU2.  I also had systat(1)
running.  Early I/O and CPU was at 0.3 and 80% idle.  There were
I/O peaks of up to 0.7 sec, but much of the update proceeded at I/O
0.1 and CPU 90% idle.

So even on a slow machine this doesn't take much CPU and the I/O
load isn't overwhelming.  Unless you are running this on an actual
spinning disk drive?

-- 
Christian "naddy" Weisgerber                          [email protected]

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