Yes, *total*: cpus(*):2 vs. *allocated*: cpus(*):2;cpus(*){REV}:2
----
Da (Klaus), Ma (马达) | PMP® | Advisory Software Engineer
Platform OpenSource Technology, STG, IBM GCG
+86-10-8245 4084 | [email protected] | http://k82.me
On Thu, Jan 21, 2016 at 5:43 PM, Qian Zhang <[email protected]> wrote:
> In the log you posted, it seems total cpus is also 2 rather than 1, but it
> seem there are 4 allocated cpus (2 non-revocable and 2 revocable)?
>
> I0121 17:08:09.303431 4284416 hierarchical.cpp:528] Slave
> f2d8b550-ed52-44a4-a35a-1fff81d41391-S0 (9.181.90.153) updated with
> oversubscribed resources (total: cpus(*):2; mem(*):1024; disk(*):1024;
> ports(*):[31000-32000], allocated: cpus(*):2; mem(*):1024; disk(*):1024;
> ports(*):[31000-32000]; *cpus(*){REV}:2*)
>
>
> Thanks,
> Qian Zhang
>
> On Thu, Jan 21, 2016 at 5:25 PM, Klaus Ma <[email protected]> wrote:
>
> > Hi team,
> >
> > When I double-check the feature interaction between Optimistic Offer
> Phase
> > 1 & Oversubscription, I found an issue that `allocated` may have more
> > resources then `total` in allocator when enable Oversubscription. I'd
> like
> > to get your input on whether this is design behaviour, although the
> impact
> > is low: 1.) allocator will not offer this delta resources, 2) QoS
> > Controller will correct it later by killing the executor. Personally, I'd
> > like to keep this assumption in allocator: slave.total always contains
> > slave.allocated.
> >
> > Here's the steps:
> >
> > T1: in cluster, cpus=2: one is revocable and the other one is
> nonRevocable
> > T2: framework1 get offer cpus=2, launch task but estimator report empty
> > resources before executor launched
> > T3: slave.total is updated to cpus=1 in
> > HierarchicalAllocatorProcess::updateSlave
> > T4: in allocate(), slave.total (cpus=1) < slave.allocated (cpus=2)
> >
> > Here's the log I got:
> >
> > I0121 17:08:09.303431 4284416 hierarchical.cpp:528] Slave
> > f2d8b550-ed52-44a4-a35a-1fff81d41391-S0 (9.181.90.153) updated with
> > oversubscribed resources (total: cpus(*):2; mem(*):1024; disk(*):1024;
> > ports(*):[31000-32000], allocated: cpus(*):2; mem(*):1024; disk(*):1024;
> > ports(*):[31000-32000]; *cpus(*){REV}:2*)
> >
> > Please refer to MESOS-4442 for more detail.
> >
> > ----
> > Da (Klaus), Ma (马达) | PMP® | Advisory Software Engineer
> > Platform OpenSource Technology, STG, IBM GCG
> > +86-10-8245 4084 | [email protected] | http://k82.me
> >
>
