[jira] [Created] (YARN-9164) NullPointerException crash the ResourceManager

2018-12-31 Thread lujie (JIRA)
lujie created YARN-9164: --- Summary: NullPointerException crash the ResourceManager Key: YARN-9164 URL: https://issues.apache.org/jira/browse/YARN-9164 Project: Hadoop YARN Issue Type: Bug

Difference between Capacity scheduler and Fair Scheduler

2018-12-31 Thread Ved Gaurav
I have read some blogs about difference between them but I am not able to understand the difference. How both works , preemption in capacity vs preemption in fair scheduler , How both performs in terms of only one queue and hierarchical queues ,what are the practical scenarios where we can use

[jira] [Created] (YARN-9165) NPE which is similar to YARN-5918

2018-12-31 Thread lujie (JIRA)
lujie created YARN-9165: --- Summary: NPE which is similar to YARN-5918 Key: YARN-9165 URL: https://issues.apache.org/jira/browse/YARN-9165 Project: Hadoop YARN Issue Type: Bug Reporter: