> On Feb. 27, 2016, 2:11 a.m., Alexander Rojas wrote: > > src/master/allocator/mesos/hierarchical.cpp, line 1220 > > <https://reviews.apache.org/r/43882/diff/6/?file=1272158#file1272158line1220> > > > > Add a `CHECK_NOT_NULL`
`timer` is initialized from a ref in the line above, so I think it can never be null by construction. > On Feb. 27, 2016, 2:11 a.m., Alexander Rojas wrote: > > src/master/allocator/mesos/hierarchical.hpp, line 360 > > <https://reviews.apache.org/r/43882/diff/6/?file=1272157#file1272157line360> > > > > There is a second parameter in the `Timer` object which allows you to > > specify a window, once this window is enabled we can get statistics of the > > run beyond how long the last allocation took place (note that allocation > > varies a lot since sometimes it goes through a few elements and other times > > goes throught the whole cluster). Yes, the timer I added here can only be sampled and provides no stats. Do you have a suggestion how many `allocation_intervals` the window should be? - Benjamin ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: https://reviews.apache.org/r/43882/#review121029 ----------------------------------------------------------- On Feb. 28, 2016, 10:28 p.m., Benjamin Bannier wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/43882/ > ----------------------------------------------------------- > > (Updated Feb. 28, 2016, 10:28 p.m.) > > > Review request for mesos, Alexander Rukletsov and Ben Mahler. > > > Bugs: MESOS-4721 > https://issues.apache.org/jira/browse/MESOS-4721 > > > Repository: mesos > > > Description > ------- > > Added allocation metrics for allocation time. > > > Diffs > ----- > > docs/monitoring.md 827f7073204fcf8575ca980a5571c8be4f5e4110 > src/master/allocator/mesos/hierarchical.hpp > 3043888630b066505410d3b32c5b3f813cc458c1 > src/master/allocator/mesos/hierarchical.cpp > 24fa50f62dec10ed43089297473cc386d6ba2f78 > src/tests/hierarchical_allocator_tests.cpp > 5f771f02db9bd098f3cd36730cd84bf2f5e87a33 > > Diff: https://reviews.apache.org/r/43882/diff/ > > > Testing > ------- > > make check (OS X) > > I confirmed that this does not lead to general performance regressions in the > allocator; this is partially expected since the added code only inserts > metrics in the allocator while the actual work is perform asynchronously. > These tests where performed with > `HierarchicalAllocator_BENCHMARK_Test.DeclineOffers` on an optimized build > under OS X using clang(trunk) as compiler. > > > Thanks, > > Benjamin Bannier > >