[TEZ-781] Add unit test for fault tolerance (input failure causes re-run of previous task under allowed maximum failed attempt)

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.3.0
• Assignee: Tassapol Athiapinya
• Reporter: Tassapol Athiapinya
• Created: 30/Jan/14 21:13
• Updated: 01/Mar/14 04:19
• Resolved: 06/Feb/14 03:34

Description

Add a unit test for tez fault tolerance.

/**

• Test input failure.
• v1-task0 v1-task1

• \ /

• v2-task0 v2-task1
• Use maximum allowed failed attempt of 4 (default value during session creation).
• v1-task1-attempt0 fails. Attempt 1 succeeds.
• v2-task0-attempt0 runs. Its input1-inputversion0 fails.
• This will trigger rerun of v1-task1.
• v1-task1-attempt2 is re-run and succeeds.
• v2-task0-attempt0 (no attempt bump) runs. Check its input1.
• The input version is now 1. The attempt will now succeed.
• @throws Exception
  */

Issue Links

• is related to: TEZ-780 Add unit test for fault tolerance (input failure causes re-run of previous task but new attempt exceeds allowed number of attempts)