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[YARN-3232] Some application states are not necessarily exposed to users - YARN - [issue]
...application NEW_SAVING and SUBMITTED states are not necessarily exposed to users as they mostly internal to the system, transient and not user-facing. We may deprecate these two states and r...
http://issues.apache.org/jira/browse/YARN-3232    Author: Jian He , 2020-04-10, 19:07
[YARN-5852] Consolidate CSAssignment, ContainerAllocation, ContainerAllocationContext class in CapacityScheduler - YARN - [issue]
...Quite a few data structures which wraps container related info with similar names: CSAssignment, ContainerAllocation, ContainerAllocationContext, And a bunch of code to convert one from anot...
http://issues.apache.org/jira/browse/YARN-5852    Author: Jian He , 2020-04-09, 18:41
[HADOOP-14080] UserGroupInformation#loginUserFromKeytab does not load hadoop tokens ? - Hadoop - [issue]
...Found that UserGroupInformation#loginUserFromKeytab will not try to load hadoop tokens from HADOOP_TOKEN_FILE_LOCATION as loginUserFromSubject method does.  I know typically, if you hav...
http://issues.apache.org/jira/browse/HADOOP-14080    Author: Jian He , 2020-03-24, 11:08
[SAMZA-2246] Create a initContainer for downloading user program files - Samza - [issue]
...InitContainer can be created to download the user program files , configs etc...
http://issues.apache.org/jira/browse/SAMZA-2246    Author: Jian He , 2019-06-08, 23:22
[SAMZA-2244] Pluggable volume implementation for Pods - Samza - [issue]
...The POC implementation stores the state in remote AzureFile, it could be pluggable to store in hostPath, or any other remote storage....
http://issues.apache.org/jira/browse/SAMZA-2244    Author: Jian He , 2019-06-08, 23:09
[SAMZA-2243] Have an option to generate samza docker image - Samza - [issue]
...Have a gradle command to create docker image within the repo...
http://issues.apache.org/jira/browse/SAMZA-2243    Author: Jian He , 2019-06-08, 23:07
[YARN-4438] Implement RM leader election with curator - YARN - [issue]
...This is to implement the leader election with curator instead of the ActiveStandbyElector from common package,  this also avoids adding more configs in common to suit RM's own needs....
http://issues.apache.org/jira/browse/YARN-4438    Author: Jian He , 2018-12-19, 11:17
[YARN-7054] Yarn Service Phase 2 - YARN - [issue]
http://issues.apache.org/jira/browse/YARN-7054    Author: Jian He , 2018-10-08, 18:07
[YARN-7115] Move BoundedAppender to org.hadoop.yarn.util pacakge - YARN - [issue]
...BoundedAppender is a useful util class which can be present in the util package...
http://issues.apache.org/jira/browse/YARN-7115    Author: Jian He , 2018-08-23, 08:45
[YARN-7606] Ensure long running service AM works in secure cluster - YARN - [issue]
...1) Ensure kerberos ticket is renewed every 24 hours2) YARN can localize new jars after 24 hours or 7 days (hdfs delegation token)3) Talking to zookeeper works - creating/deleting znode...
http://issues.apache.org/jira/browse/YARN-7606    Author: Jian He , 2018-08-14, 19:53