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There exists a race between task launches and speculation failures in a provider of resources (RP or agent itself). To remove the race between the agent's `UpdateSlaveMessage` and master's `RunTaskMessage`/`RunTaskGroupMessage` we will add resource versions to the master's messages and have the agent reject launches if the versions of used resource providers became incompatible, see https://issues.apache.org/jira/browse/MESOS-8222. I believe there is a similar race between resource providers' `UPDATE_STATE` calls and agents' `PUBLISH` events, so we should inject versions there as well and have resource providers reject `PUBLISH` events in case of incompatibility. - Benjamin Bannier On Nov. 4, 2017, 2:55 a.m., Chun-Hung Hsiao wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/63555/ > ----------------------------------------------------------- > > (Updated Nov. 4, 2017, 2:55 a.m.) > > > Review request for mesos, Gilbert Song, Jie Yu, Joseph Wu, and Jan Schlicht. > > > Bugs: MESOS-7550 > https://issues.apache.org/jira/browse/MESOS-7550 > > > Repository: mesos > > > Description > ------- > > `Slave::publishAllocatedResources()` will compute the total allocated > resources for all currently running executor containers, and takes an > `extra` argument for resources that will be used by the executor that > is about to launch, then sums them up and asks the resource provider > manager to publish the resources. > > > Diffs > ----- > > src/slave/slave.hpp df1b0205124555dcb6a0efa5c237f5e77fa2bdf7 > src/slave/slave.cpp 337083dbe60bba2d3773b785bdceeaf0b8fcd070 > > > Diff: https://reviews.apache.org/r/63555/diff/1/ > > > Testing > ------- > > make check > > > Thanks, > > Chun-Hung Hsiao > >
