We found a critical bug in tungsten that can lead to silent data
corruption: https://github.com/apache/spark/pull/21311

This is a long-standing bug that starts with Spark 2.0(not a regression),
but since we are going to release 2.3.1, I think it's a good chance to
include this fix.

We will also backport this fix to Spark 2.0, 2.1, 2.2, and then we can
discuss if we should do a new release for 2.0, 2.1, 2.2 later.

Thanks,
Wenchen

On Wed, May 23, 2018 at 9:54 PM, Sean Owen <sro...@apache.org> wrote:

> +1 Same result for me as with RC1.
>
>
> On Tue, May 22, 2018 at 2:45 PM Marcelo Vanzin <van...@cloudera.com>
> wrote:
>
>> Please vote on releasing the following candidate as Apache Spark version
>> 2.3.1.
>>
>> The vote is open until Friday, May 25, at 20:00 UTC and passes if
>> at least 3 +1 PMC votes are cast.
>>
>> [ ] +1 Release this package as Apache Spark 2.3.1
>> [ ] -1 Do not release this package because ...
>>
>> To learn more about Apache Spark, please see http://spark.apache.org/
>>
>> The tag to be voted on is v2.3.1-rc2 (commit 93258d80):
>> https://github.com/apache/spark/tree/v2.3.1-rc2
>>
>> The release files, including signatures, digests, etc. can be found at:
>> https://dist.apache.org/repos/dist/dev/spark/v2.3.1-rc2-bin/
>>
>> Signatures used for Spark RCs can be found in this file:
>> https://dist.apache.org/repos/dist/dev/spark/KEYS
>>
>> The staging repository for this release can be found at:
>> https://repository.apache.org/content/repositories/orgapachespark-1270/
>>
>> The documentation corresponding to this release can be found at:
>> https://dist.apache.org/repos/dist/dev/spark/v2.3.1-rc2-docs/
>>
>> The list of bug fixes going into 2.3.1 can be found at the following URL:
>> https://issues.apache.org/jira/projects/SPARK/versions/12342432
>>
>> FAQ
>>
>> =========================
>> How can I help test this release?
>> =========================
>>
>> If you are a Spark user, you can help us test this release by taking
>> an existing Spark workload and running on this release candidate, then
>> reporting any regressions.
>>
>> If you're working in PySpark you can set up a virtual env and install
>> the current RC and see if anything important breaks, in the Java/Scala
>> you can add the staging repository to your projects resolvers and test
>> with the RC (make sure to clean up the artifact cache before/after so
>> you don't end up building with a out of date RC going forward).
>>
>> ===========================================
>> What should happen to JIRA tickets still targeting 2.3.1?
>> ===========================================
>>
>> The current list of open tickets targeted at 2.3.1 can be found at:
>> https://s.apache.org/Q3Uo
>>
>> Committers should look at those and triage. Extremely important bug
>> fixes, documentation, and API tweaks that impact compatibility should
>> be worked on immediately. Everything else please retarget to an
>> appropriate release.
>>
>> ==================
>> But my bug isn't fixed?
>> ==================
>>
>> In order to make timely releases, we will typically not hold the
>> release unless the bug in question is a regression from the previous
>> release. That being said, if there is something which is a regression
>> that has not been correctly targeted please ping me or a committer to
>> help target the issue.
>>
>>
>> --
>> Marcelo
>>
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>>
>>

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