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[YARN-3980] Plumb resource-utilization info in node heartbeat through to the scheduler - YARN - [issue]
...YARN-1012 and YARN-3534 collect resource utilization information for all containers and the node respectively and send it to the RM on node heartbeat. We should plumb it through to the sched...
http://issues.apache.org/jira/browse/YARN-3980    Author: Karthik Kambatla , 2018-10-04, 14:24
[YARN-5028] RMStateStore should trim down app state for completed applications - YARN - [issue]
...RMStateStore stores enough information to recover applications in case of a restart. The store also retains this information for completed applications to serve their status to REST, WebUI, ...
http://issues.apache.org/jira/browse/YARN-5028    Author: Karthik Kambatla , 2018-09-25, 13:25
[YARN-2599] Standby RM should also expose some jmx and metrics - YARN - [issue]
...YARN-1898 redirects jmx and metrics to the Active. As discussed there, we need to separate out metrics displayed so the Standby RM can also be monitored....
http://issues.apache.org/jira/browse/YARN-2599    Author: Karthik Kambatla , 2018-09-21, 09:18
[YARN-4885] Aggregate container utilization can be negative - YARN - [issue]
...While working on YARN-1011, I noticed the aggregate container utilization the NM reports to RM can be negative (CPU). This is likely because of UNAVAILABLE CPU usage information....
http://issues.apache.org/jira/browse/YARN-4885    Author: Karthik Kambatla , 2018-09-20, 18:13
[YARN-4718] Rename variables in SchedulerNode to reduce ambiguity post YARN-1011 - YARN - [issue]
...As discussed in YARN-1011, we are planning to add a few more variables regarding utilization to SchedulerNode. To ensure the new variables are descriptive and don't lead to confusion, the ex...
http://issues.apache.org/jira/browse/YARN-4718    Author: Karthik Kambatla , 2018-09-20, 18:11
[YARN-4509] Promote containers from OPPORTUNISTIC to GUARANTEED - YARN - [issue]
...YARN-2882 adds the notion of an OPPORTUNISTIC containers. We should define the protocol for promoting these containers to GUARATEED....
http://issues.apache.org/jira/browse/YARN-4509    Author: Karthik Kambatla , 2018-09-20, 18:11
[YARN-5607] Document TestContainerResourceUsage#waitForContainerCompletion - YARN - [issue]
...The logic in TestContainerResourceUsage#waitForContainerCompletion (introduced in YARN-5024) is not immediately obvious. It could use some documentation. Also, this seems like a useful helpe...
http://issues.apache.org/jira/browse/YARN-5607    Author: Karthik Kambatla , 2018-08-30, 07:41
[YARN-5106] Provide a builder interface for FairScheduler allocations for use in tests - YARN - [issue]
...Most, if not all, fair scheduler tests create an allocations XML file. Having a helper class that potentially uses a builder would make the tests cleaner....
http://issues.apache.org/jira/browse/YARN-5106    Author: Karthik Kambatla , 2018-08-19, 01:58
[YARN-4944] Handle lack of ResourceCalculatorPlugin gracefully - YARN - [issue]
...On some systems (e.g. mac), the NM might not be able to instantiate a ResourceCalculatorPlugin and leads to logging a bunch of error messages. We could improve the way we handle this....
http://issues.apache.org/jira/browse/YARN-4944    Author: Karthik Kambatla , 2018-08-19, 01:57
[YARN-4752] FairScheduler should preempt for a ResourceRequest and all preempted containers should be on the same node - YARN - [issue]
...A number of issues have been reported with respect to preemption in FairScheduler along the lines of: FairScheduler preempts resources from nodes even if the resultant free resources cannot ...
http://issues.apache.org/jira/browse/YARN-4752    Author: Karthik Kambatla , 2018-08-14, 02:33