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Posted to gitbox@hive.apache.org by "ninebigbig (via GitHub)" <gi...@apache.org> on 2023/02/10 10:24:13 UTC
[GitHub] [hive] ninebigbig opened a new pull request, #4052: HIVE-27068: Use Accumulator V2 instead of the deprecated Accumulator V1
ninebigbig opened a new pull request, #4052:
URL: https://github.com/apache/hive/pull/4052
### What changes were proposed in this pull request?
Use Accumulator V2 instead of the deprecated Accumulator V1 from spark 2.0.0
### Why are the changes needed?
1.Accumulator V2 can do the same thing with the deprecated Accumulator V1.
2.If we use the new version such as 3.1.3 of spark,the Accumulator V1 will have compatibility problem.
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
local test
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[GitHub] [hive] github-actions[bot] commented on pull request #4052: HIVE-27068: Use Accumulator V2 instead of the deprecated Accumulator V1
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on PR #4052:
URL: https://github.com/apache/hive/pull/4052#issuecomment-1575285433
This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.
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[GitHub] [hive] github-actions[bot] closed pull request #4052: HIVE-27068: Use Accumulator V2 instead of the deprecated Accumulator V1
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed pull request #4052: HIVE-27068: Use Accumulator V2 instead of the deprecated Accumulator V1
URL: https://github.com/apache/hive/pull/4052
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[GitHub] [hive] TuroczyX commented on pull request #4052: HIVE-27068: Use Accumulator V2 instead of the deprecated Accumulator V1
Posted by "TuroczyX (via GitHub)" <gi...@apache.org>.
TuroczyX commented on PR #4052:
URL: https://github.com/apache/hive/pull/4052#issuecomment-1495693883
Hi @nineinfra
I'm not familiar with Accumulator. (I guess it is a serialization mechanism or belongs to that topic)
I have two question with this fix:
1. If we allow to upgrade to AC2 that old version of spark (like spark 2) can use it or it will be incompatible? What would see the user if they start to use?
2. If we do not upgrade to AC2 would be a problem with Spark3?
It would be nice if it would be clear that what could be the impact of this change
cc: @ayushtkn @veghlaci05
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