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https://reviews.apache.org/r/17725/
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Review request for Ambari, Mahadev Konar and Sumit Mohanty.


Bugs: AMBARI-4527
    https://issues.apache.org/jira/browse/AMBARI-4527


Repository: ambari


Description
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Problem description:

Batch request to do rolling restart does not work.
The API says "201 created", but no requests are created.

Reason:

Server clock synced up with NTP daemon and was reset after Scheduler initialize 
and before Scheduler start. 
This caused the Thread.sleep() in the Scheduler.startDelayed() to be paused for 
a long time since the native implementation relies on server clock.


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/scheduler/ExecutionScheduleManager.java
 d6d0439 
  
ambari-server/src/main/java/org/apache/ambari/server/scheduler/ExecutionScheduler.java
 f75eb94 
  
ambari-server/src/main/java/org/apache/ambari/server/scheduler/ExecutionSchedulerImpl.java
 488564f 
  
ambari-server/src/test/java/org/apache/ambari/server/scheduler/ExecutionSchedulerTest.java
 89c8d26 

Diff: https://reviews.apache.org/r/17725/diff/


Testing
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Thanks,

Sid Wagle

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