commit | 3a8bf0e0afb0a30d5c4cbf82d1e2ce9e0dd22b4a | [log] [tgz] |
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author | Jeff Zhang <zjffdu@apache.org> | Fri Oct 09 15:07:17 2015 +0800 |
committer | Jeff Zhang <zjffdu@apache.org> | Fri Oct 09 15:27:59 2015 +0800 |
tree | a343e832e85051996bfa30070b2bb2de7ff3f6c7 | |
parent | 6751a67f2051f44932c8fb5b80f0729e37dae7b1 [diff] |
TEZ-2781. Fallback to send only TaskAttemptFailedEvent if taskFailed heartbeat fails (zjffdu) (cherry picked from commit f9d15c8695de7975817631b051450336bc5eadee) Conflicts: CHANGES.txt tez-dag/src/main/java/org/apache/tez/dag/app/TaskCommunicatorManager.java (cherry picked from commit 8d49fd5285016fb64ebccdc9cf31c408c79ebaaf) Conflicts: CHANGES.txt tez-dag/src/main/java/org/apache/tez/dag/app/TaskAttemptListenerImpTezDag.java tez-dag/src/main/java/org/apache/tez/runtime/task/TaskReporter.java
Apache Tez is a generic data-processing pipeline engine envisioned as a low-level engine for higher abstractions such as Apache Hadoop Map-Reduce, Apache Pig, Apache Hive etc.
At it's heart, tez is very simple and has just two components: