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From Jungtaek Lim <kabhwan.opensou...@gmail.com>
Subject Re: Spark 3.0 branch cut and code freeze on Jan 31?
Date Wed, 25 Dec 2019 00:55:52 GMT
Jan 31 sounds good to me.

Just curious, do we allow some exception on code freeze? One thing came
into my mind is that some feature could have multiple subtasks and part of
subtasks have been merged and other subtask(s) are in reviewing. In this
case do we allow these subtasks to have more days to get reviewed and
merged later?

Happy Holiday!

Thanks,
Jungtaek Lim (HeartSaVioR)

On Wed, Dec 25, 2019 at 8:36 AM Takeshi Yamamuro <linguin.m.s@gmail.com>
wrote:

> Looks nice, happy holiday, all!
>
> Bests,
> Takeshi
>
> On Wed, Dec 25, 2019 at 3:56 AM Dongjoon Hyun <dongjoon.hyun@gmail.com>
> wrote:
>
>> +1 for January 31st.
>>
>> Bests,
>> Dongjoon.
>>
>> On Tue, Dec 24, 2019 at 7:11 AM Xiao Li <lixiao@databricks.com> wrote:
>>
>>> Jan 31 is pretty reasonable. Happy Holidays!
>>>
>>> Xiao
>>>
>>> On Tue, Dec 24, 2019 at 5:52 AM Sean Owen <srowen@gmail.com> wrote:
>>>
>>>> Yep, always happens. Is earlier realistic, like Jan 15? it's all
>>>> arbitrary but indeed this has been in progress for a while, and there's a
>>>> downside to not releasing it, to making the gap to 3.0 larger.
>>>> On my end I don't know of anything that's holding up a release; is it
>>>> basically DSv2?
>>>>
>>>> BTW these are the items still targeted to 3.0.0, some of which may not
>>>> have been legitimately tagged. It may be worth reviewing what's still open
>>>> and necessary, and what should be untargeted.
>>>>
>>>> SPARK-29768 nondeterministic expression fails column pruning
>>>> SPARK-29345 Add an API that allows a user to define and observe
>>>> arbitrary metrics on streaming queries
>>>> SPARK-29348 Add observable metrics
>>>> SPARK-29429 Support Prometheus monitoring natively
>>>> SPARK-29577 Implement p-value simulation and unit tests for chi2 test
>>>> SPARK-28900 Test Pyspark, SparkR on JDK 11 with run-tests
>>>> SPARK-28883 Fix a flaky test: ThriftServerQueryTestSuite
>>>> SPARK-28717 Update SQL ALTER TABLE RENAME  to use TableCatalog API
>>>> SPARK-28588 Build a SQL reference doc
>>>> SPARK-28629 Capture the missing rules in HiveSessionStateBuilder
>>>> SPARK-28684 Hive module support JDK 11
>>>> SPARK-28548 explain() shows wrong result for persisted DataFrames after
>>>> some operations
>>>> SPARK-28264 Revisiting Python / pandas UDF
>>>> SPARK-28301 fix the behavior of table name resolution with multi-catalog
>>>> SPARK-28155 do not leak SaveMode to file source v2
>>>> SPARK-28103 Cannot infer filters from union table with empty local
>>>> relation table properly
>>>> SPARK-27986 Support Aggregate Expressions with filter
>>>> SPARK-28024 Incorrect numeric values when out of range
>>>> SPARK-27936 Support local dependency uploading from --py-files
>>>> SPARK-27780 Shuffle server & client should be versioned to enable
>>>> smoother upgrade
>>>> SPARK-27714 Support Join Reorder based on Genetic Algorithm when the #
>>>> of joined tables > 12
>>>> SPARK-27471 Reorganize public v2 catalog API
>>>> SPARK-27520 Introduce a global config system to replace
>>>> hadoopConfiguration
>>>> SPARK-24625 put all the backward compatible behavior change configs
>>>> under spark.sql.legacy.*
>>>> SPARK-24941 Add RDDBarrier.coalesce() function
>>>> SPARK-25017 Add test suite for ContextBarrierState
>>>> SPARK-25083 remove the type erasure hack in data source scan
>>>> SPARK-25383 Image data source supports sample pushdown
>>>> SPARK-27272 Enable blacklisting of node/executor on fetch failures by
>>>> default
>>>> SPARK-27296 Efficient User Defined Aggregators
>>>> SPARK-25128 multiple simultaneous job submissions against k8s backend
>>>> cause driver pods to hang
>>>> SPARK-26664 Make DecimalType's minimum adjusted scale configurable
>>>> SPARK-21559 Remove Mesos fine-grained mode
>>>> SPARK-24942 Improve cluster resource management with jobs containing
>>>> barrier stage
>>>> SPARK-25914 Separate projection from grouping and aggregate in logical
>>>> Aggregate
>>>> SPARK-20964 Make some keywords reserved along with the ANSI/SQL standard
>>>> SPARK-26221 Improve Spark SQL instrumentation and metrics
>>>> SPARK-26425 Add more constraint checks in file streaming source to
>>>> avoid checkpoint corruption
>>>> SPARK-25843 Redesign rangeBetween API
>>>> SPARK-25841 Redesign window function rangeBetween API
>>>> SPARK-25752 Add trait to easily whitelist logical operators that
>>>> produce named output from CleanupAliases
>>>> SPARK-25640 Clarify/Improve EvalType for grouped aggregate and window
>>>> aggregate
>>>> SPARK-25531 new write APIs for data source v2
>>>> SPARK-25547 Pluggable jdbc connection factory
>>>> SPARK-20845 Support specification of column names in INSERT INTO
>>>> SPARK-24724 Discuss necessary info and access in barrier mode +
>>>> Kubernetes
>>>> SPARK-24725 Discuss necessary info and access in barrier mode + Mesos
>>>> SPARK-25074 Implement maxNumConcurrentTasks() in
>>>> MesosFineGrainedSchedulerBackend
>>>> SPARK-23710 Upgrade the built-in Hive to 2.3.5 for hadoop-3.2
>>>> SPARK-25186 Stabilize Data Source V2 API
>>>> SPARK-25376 Scenarios we should handle but missed in 2.4 for barrier
>>>> execution mode
>>>> SPARK-7768 Make user-defined type (UDT) API public
>>>> SPARK-14922 Alter Table Drop Partition Using Predicate-based Partition
>>>> Spec
>>>> SPARK-15694 Implement ScriptTransformation in sql/core
>>>> SPARK-18134 SQL: MapType in Group BY and Joins not working
>>>> SPARK-19842 Informational Referential Integrity Constraints Support in
>>>> Spark
>>>> SPARK-22231 Support of map, filter, withColumn, dropColumn in nested
>>>> list of structures
>>>> SPARK-22386 Data Source V2 improvements
>>>> SPARK-24723 Discuss necessary info and access in barrier mode + YARN
>>>>
>>>>
>>>> On Mon, Dec 23, 2019 at 5:48 PM Reynold Xin <rxin@databricks.com>
>>>> wrote:
>>>>
>>>>> We've pushed out 3.0 multiple times. The latest release window
>>>>> documented on the website
>>>>> <http://spark.apache.org/versioning-policy.html> says we'd code
>>>>> freeze and cut branch-3.0 early Dec. It looks like we are suffering a
bit
>>>>> from the tragedy of the commons, that nobody is pushing for getting the
>>>>> release out. I understand the natural tendency for each individual is
to
>>>>> finish or extend the feature/bug that the person has been working on.
At
>>>>> some point we need to say "this is it" and get the release out. I'm happy
>>>>> to help drive this process.
>>>>>
>>>>> To be realistic, I don't think we should just code freeze *today*.
>>>>> Although we have updated the website, contributors have all been operating
>>>>> under the assumption that all active developments are still going on.
I
>>>>> propose we *cut the branch on **Jan 31**, and code freeze and switch
>>>>> over to bug squashing mode, and try to get the 3.0 official release out
in
>>>>> Q1*. That is, by default no new features can go into the branch
>>>>> starting Jan 31.
>>>>>
>>>>> What do you think?
>>>>>
>>>>> And happy holidays everybody.
>>>>>
>>>>>
>>>>>
>>>>>
>>>
>>> --
>>> [image: Databricks Summit - Watch the talks]
>>> <https://databricks.com/sparkaisummit/north-america>
>>>
>>
>
> --
> ---
> Takeshi Yamamuro
>

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