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https://issues.apache.org/jira/browse/PIG-3970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012952#comment-14012952
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Daniel Dai commented on PIG-3970:
---------------------------------
RB link: https://reviews.apache.org/r/22058/
> 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
>
> Attachments: PIG-3970-1.no_space_change.patch, PIG-3970-1.patch
>
>
> 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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