Daniel Dai created PIG-3970:
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Summary: Merge Tez branch into trunk
Key: PIG-3970
URL: https://issues.apache.org/jira/browse/PIG-3970
Project: Pig
Issue Type: New Feature
Components: tez
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.14.0
After months of development, I feel tez branch reaches to a point we can merge
back into trunk. The merge will not introduce any known regression, that is:
1. All existing unit tests pass in mr mode
2. All existing e2e tests pass in mr mode
3. No backward-incompitable changes
The tez branch is stable enough, that is:
1. All migrated unit tests pass in tez mode
2. Vast majority of e2e tests pass in tez mode, minor number of failures are
properly investigated
Ongoing tez work can continue after the merge. It is unlikely major changes to
other part of Pig code will be involved going forward.
Known limitations for Pig on tez at this moment:
1. Some unit tests are not ported (PIG-3840)
2. Several operators are missing: native, merge-sparse join, collected cogroup
3. auto-parallelism is not in (PIG-3846)
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