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Thoughts on Spark 3 release, or a preview release - Spark - [mail # dev]
...+1! Long due for a preview release.On Thu, Sep 12, 2019 at 5:26 PM, Holden Karau  wrote:> > I like the idea from the PoV of giving folks something to start testing> against and...
   Author: Reynold Xin , 2019-09-13, 00:32
[expand - 2 more] - [DISCUSS] Out of order optimizer rules? - Spark - [mail # dev]
...Whoever created the JIRA years ago didn't describe dpp correctly, but the linked jira in Hive was correct (which unfortunately is much more terse than any of the patches we have in Spark htt...
   Author: Reynold Xin , 2019-10-02, 17:20
[VOTE] SPARK 3.0.0-preview (RC1) - Spark - [mail # dev]
...Does the description make sense? This is a preview release so there is noneed to retarget versions.On Tue, Oct 29, 2019 at 7:01 PM Xingbo Jiang  wrote:> Please vote on releasing the ...
   Author: Reynold Xin , 2019-10-30, 02:10
[VOTE][SPARK-28885] Follow ANSI store assignment rules in table insertion by default - Spark - [mail # dev]
...Having three modes is a lot. Why not just use ansi mode as default, and legacy for backward compatibility? Then over time there's only the ANSI mode, which is standard compliant and easy to ...
   Author: Reynold Xin , 2019-09-05, 16:17
[expand - 1 more] - Collections passed from driver to executors - Spark - [mail # user]
...It's was done 2014 by yours truly https://github.com/apache/spark/pull/1498so any modern version would have it.On Mon, Sep 23, 2019 at 9:04 PM, Dhrubajyoti Hati  wrote:> > Thanks....
   Author: Reynold Xin , 2019-09-24, 04:07
[expand - 4 more] - [DISCUSS] Spark 2.5 release - Spark - [mail # dev]
...Because for example we'd need to move the location of InternalRow, breaking the package name. If you insist we shouldn't change the unstable temporary API in 3.x to maintain compatibility wi...
   Author: Reynold Xin , 2019-09-21, 21:36
branch-3.0 vs branch-3.0-preview (?) - Spark - [mail # dev]
...Can we just tag master?On Wed, Oct 16, 2019 at 12:34 AM, Wenchen Fan  wrote:> > Does anybody remember what we did for 2.0 preview? Personally I'd like to> avoid cutting branch-...
   Author: Reynold Xin , 2019-10-16, 07:36
Add spark dependency on on org.opencypher:okapi-shade.okapi - Spark - [mail # dev]
...Just curious - did we discuss why this shouldn't be another Apache sister project?On Wed, Oct 16, 2019 at 10:21 AM, Sean Owen  wrote:> > > > We don't all have to agree on wh...
   Author: Reynold Xin , 2019-10-16, 17:41
Why Spark generates Java code and not Scala? - Spark - [mail # dev]
...It’s mainly due to compilation speed. Scala compiler is known to be slow.Even javac is quite slow. We use Janino which is a simpler compiler to getfaster compilation speed at runtime.Also fo...
   Author: Reynold Xin , 2019-11-09, 18:08
Spark 3.0 branch cut and code freeze on Jan 31? - Spark - [mail # dev]
...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...
   Author: Reynold Xin , 2019-12-23, 23:48