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[YARN-6416] SIGNAL_CMD argument number is wrong - YARN - [issue]
...Yarn application signal command has two arguments, so the number below should be 2 I think.opts.getOption(SIGNAL_CMD).setArgs(3);...
http://issues.apache.org/jira/browse/YARN-6416    Author: Miklos Szegedi , 2018-10-03, 15:19
[HADOOP-15372] Race conditions and possible leaks in the Shell class - Hadoop - [issue]
...YARN-5641 introduced some cleanup code in the Shell class. It has a race condition. Shell.runCommand() can be called while/after Shell.getAllShells() returned all the shells to be cleaned up...
http://issues.apache.org/jira/browse/HADOOP-15372    Author: Miklos Szegedi , 2018-09-28, 07:54
[YARN-6456] Allow administrators to control available container runtimes and set defaults for all containers - YARN - [issue]
... With LCE, there are multiple ContainerRuntimes available for handling different types of containers; default, docker, java sandbox. Admins should have the ability to override the user decis...
http://issues.apache.org/jira/browse/YARN-6456    Author: Miklos Szegedi , 2018-09-27, 20:10
[YARN-8470] Fair scheduler exception with SLS - YARN - [issue]
...I ran into the following exception with sls:2018-06-26 13:34:04,358 ERROR resourcemanager.ResourceManager: Received RMFatalEvent of type CRITICAL_THREAD_CRASH, caused by a critical thread, F...
http://issues.apache.org/jira/browse/YARN-8470    Author: Miklos Szegedi , 2018-09-11, 15:49
[YARN-6474] CGroupsHandlerImpl.java has a few checkstyle issues left to be fixed after YARN-5301 - YARN - [issue]
...The main issue is throw inside finally...
http://issues.apache.org/jira/browse/YARN-6474    Author: Miklos Szegedi , 2018-08-24, 09:13
[YARN-7713] Add parallel copying of directories into FSDownload - YARN - [issue]
...YARN currently copies directories sequentially when localizing. This could be improved to do in parallel, since the source blocks are normally on different nodes....
http://issues.apache.org/jira/browse/YARN-7713    Author: Miklos Szegedi , 2018-08-19, 02:05
[YARN-7064] Use cgroup to get container resource utilization - YARN - [issue]
...This is an addendum to YARN-6668. What happens is that that jira always wants to rebase patches against YARN-1011 instead of trunk....
http://issues.apache.org/jira/browse/YARN-7064    Author: Miklos Szegedi , 2018-07-12, 03:56
[YARN-8452] FairScheduler.update can take long time if yarn.scheduler.fair.sizebasedweight is on - YARN - [issue]
...Basically we recalculate the weight every time, even if the inputs did not change. This causes high cpu usage, if the cluster has lots of apps....
http://issues.apache.org/jira/browse/YARN-8452    Author: Miklos Szegedi , 2018-06-27, 18:17
[YARN-8437] Build oom-listener fails on older versions - YARN - [issue]
...oom-listener was introduced in YARN-4599. We have seen some build issues on centos6....
http://issues.apache.org/jira/browse/YARN-8437    Author: Miklos Szegedi , 2018-06-24, 08:04
[YARN-7239] Possible launch/cleanup race condition in ContainersLauncher - YARN - [issue]
...ContainersLauncher.handle() submits the launch job and then adds the job into the collection risking that the cleanup will miss it and return. This should be in reversed order in all 3 insta...
http://issues.apache.org/jira/browse/YARN-7239    Author: Miklos Szegedi , 2018-06-23, 18:43