On 02/26/2010 08:03 AM, Jeroen van Meeuwen wrote:
On 02/26/2010 01:02 PM, Jeroen van Meeuwen wrote:
> On 02/26/2010 12:43 PM, Doug Reiland wrote:
>> Does it make any sense of run more one builder on a system or do you
>> just control via host.capacity in the database?
>>
>
> You don't want more then one builder per node. You may want multiple
> nodes on one hardware box through virtualization, but each node would
> still only have one koji-builder.
>
> You control the amount of labour the host can/may/will do through
> host.capacity in the psql database, as well as the maxjobs setting in
> /etc/kojid/kojid.conf (maximum 5 parallel jobs by default).
>
Also note that new tasks won't be taken up by the koji-builder if the
load average of the node is 8.00 or greater (I don't recall having
modified that setting ever before).
The heuristic is actually load > 4 * (# of processors). It's sort of a
last-resort test so if some rogue process is running amok on a machine,
kojid there doesn't try to take tasks.