From experience with only a couple of 100 hosts and 'old' versions of
spacewalk (say 0.8 or 0.9) the spacewalk server gets hammered if you do
for example and upgrade of 1 (or more) packages on a group of several
100 hosts at once ... (using osad so a "now" schedule) due to the fact
it needs to receive the reporting that if the task failed or succeeded.
My webinterface was unreachable for like 30 minutes and load on the box
was 70 or so ...
Note that at the time I was running it on dual core machine with 4G mem
and oracle XE on the machine itself, so yes performance was not optimal.
Now I have a setup with 8 spacewalk proxies in several global regions
and around a 100 machines connected, but not really tried any major
deployments like I mentioned above (soon to be adding up to around 1000
hosts).
I heard that for example puppet has some kind of backoff algorithm for
this: if you get more requests than a certain max limit they will send
the other requesters walking for a random time (also believe they have
some kind of priority system, where a pushed update task gets priority
over a random checkin from a server because the timer expired)
Planning to combine spacewalk with puppet for certain tasks like this ...
Regards,
G.
On 11/14/2013 07:30 PM, Paul Robert Marino wrote:
I'm fairly certain there are quite a few implementations of the
supported version RHN satellite on that scale, but there is a limit.
If I Remember correctly your numbers are well within the limit. There
are a few things you will have to keep in mind mainly the database
performance. I would suggest a minimum of a dual 16 core Opteron box and
possibly using an external database cluster with lots of small fast disks.
-- Sent from my HP Pre3
------------------------------------------------------------------------
On Nov 14, 2013 11:48, Andy Townsend <[email protected]> wrote:
Hey all,
Does anyone know of or have any experience with using Spacewalk to
manage a large number of hosts? I’m looking at potentially using it to
push packages to some machines but we’re talking of around 5-10k nodes
here. Are there any spacewalk deployments out there managing that number
of hosts that anyone knows of or does anyone have any information on the
scalability aspects of Spacewalk.
Cheers,
Andy
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