> On Jan. 21, 2016, 1:20 a.m., Klaus Ma wrote: > > src/master/allocator/mesos/hierarchical.cpp, line 1313 > > <https://reviews.apache.org/r/42559/diff/1/?file=1203488#file1203488line1313> > > > > Who will kill this `revocable` resources? So we'll have a patch for > > evicting? > > Alexander Rukletsov wrote: > Someday, someway... : ) > > Actually, I thought you guys are working on this (oversubscription for > reservations, incl. quota)! > > Klaus Ma wrote: > In "oversubscription for reservations", only `reserved & > !persistentVolume` resources are considered to be revocable to other > framework; the un-reserved resources are not handled for now. > > To me, the key of eviction is which resources shoulbe be evicted for its > owner: 1.) in "oversubscription for reservations", it's `reserved & > !persistentVolume`, 2.) in "oversubscription" (Estimator & QoSController), it > dependent on modules; > > When I polishing the design doc of Phase 2 (Simultaneous offer), I'm > thinking to do fair-share un-reserved resources by Quota/Role's Weight; for > example, 100 CPUS in cluster and two Quota: 30 CPUS (role1) & 20 CPUS > (role2); when only framework1 in role1 registered, it will get 30 CPUS > (reserved) + 30 CPUS (unreserved) + 20 CPUS (revocable), this offer is Quota > + (total - Quota1 - Quota2) * (Quota1/(Quota1 + Quota2)) + (total - Quota1 - > Quota2) * (Quota2/(Quota1 + Quota2)); when framework2 in role2 registered, > the revocable 20CPUS of framework1 will be evicted by master/allocator. > > I logged MESOS-4303 to trace this idea; but did not get enough time on > the detail for now :). Maybe we can draft a doc on this, any comments?
typo: the offer should be "30 CPUS (quota) + 30 CPUS (unreserved) + 20 CPUS (revocable)". - Klaus ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/42559/#review115443 ----------------------------------------------------------- On Jan. 21, 2016, 1:01 a.m., Alexander Rukletsov wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/42559/ > ----------------------------------------------------------- > > (Updated Jan. 21, 2016, 1:01 a.m.) > > > Review request for mesos, Bernd Mathiske, Joris Van Remoortere, Joseph Wu, > and Qian Zhang. > > > Bugs: MESOS-4441 > https://issues.apache.org/jira/browse/MESOS-4441 > > > Repository: mesos > > > Description > ------- > > See summary. > > > Diffs > ----- > > docs/quota.md 1a6d2f07fb74d168a7eb30764ab9ff80cea5e3b6 > src/master/allocator/mesos/hierarchical.cpp > e32ee4aa3ed9793bb5a99233e699e5cc2bdd796b > src/tests/hierarchical_allocator_tests.cpp > 953712149bd951789beb29c72779c4ac65aa48dc > > Diff: https://reviews.apache.org/r/42559/diff/ > > > Testing > ------- > > On Mac OS 10.10.4: > > `GTEST_FILTER="HierarchicalAllocatorTest.*" ./bin/mesos-tests.sh > --gtest_repeat=100 --gtest_break_on_failure --gtest_shuffle` > `make check` > > Updated `HierarchicalAllocatorTest.DRFWithQuota` succeeds with the change and > fails without. > > > Thanks, > > Alexander Rukletsov > >
