On 03/09/2017 09:54 AM, Matus UHLAR - fantomas wrote:
Master is not a
kid (it is a parent of all kids), the first N kids are workers, the
next D kids are diskers, and the last kid is Coordinator. Please see the
following wiki section for more details.
http://wiki.squid-cache.org/Features/SmpScale#Terminology
Yes, "1" is the default value for the workers directive.
and this is why I wonder we have three kids, both when "workers"
commented out and when set to 1.
In my earlier paragraph, N is the value of the workers directive. There
are other kids (D diskers and one Coordinator). D is the number of rock
cache_dirs. Both workers and diskers need shared memory and IPC.
If you want to turn off SMP while using rock store, start Squid with -N.
When started with -N, there will be a single process playing all four
roles (master, worker, disker, and Coordinator).
Will running with "workers 1" avoid this issue while using separate
processes for diskers?
On 09.03.17 10:01, Alex Rousskov wrote:
No. Disker processes need shared memory to communicate with worker(s).
I should rephrase my question:
since aufs is incompatible with SMP and rockstore runs separate diskers,
is running aufs with rock store and safe, when not running with "-N"?
Thanks
--
Matus UHLAR - fantomas, uhlar@xxxxxxxxxxx ; http://www.fantomas.sk/
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