Description
The idea is to add callerId to every component, so we can track the chain of application which cause the underlining operation. A typical chain is Oozie->Pig|Hive->Tez->Hdfs. With proper callerId logging, we can trace Hdfs operation back to Oozie workflow which triggers it.
For Oozie, It will pass its workflow id as callerId to other components (Pig/Hive).
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