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[expand - 1 more] - Apache Spark git repo moved to gitbox.apache.org - Spark - [mail # dev]
...Thanks, Sean. Which INFRA ticket is it? It's creating a lot of noise so I want to put some pressure myself there too.On Mon, Dec 10, 2018 at 9:51 AM, Sean Owen  wrote:> > > >...
   Author: Reynold Xin , 2018-12-12, 00:20
[expand - 1 more] - [DISCUSS] Spark 3.0 and DataSourceV2 - Spark - [mail # dev]
...We will have to fix that before we declare dev2 is stable, becauseInternalRow is not a stable API. We don’t necessarily need to do it in 3.0.On Tue, Feb 26, 2019 at 5:10 PM Matt Cheah  ...
   Author: Reynold Xin , 2019-02-27, 01:12
[DISCUSS] Handling correctness/data loss jiras - Spark - [mail # dev]
...Committers,When you merge tickets fixing correctness bugs, please make sure you tag the tickets with "correctness" label. I've found multiple tickets today that didn't do that.On Fri, Aug 17...
   Author: Reynold Xin , 2019-01-04, 17:28
removing most of the config functions in SQLConf? - Spark - [mail # dev]
...In SQLConf, for each config option, we declare them in two places:First in the SQLConf object, e.g.:*val* CSV_PARSER_COLUMN_PRUNING = buildConf ( "spark.sql.csv.parser.columnPruning.enabled"...
   Author: Reynold Xin , 2018-12-14, 07:45
[DISCUSS] Enable blacklisting feature by default in 3.0 - Spark - [mail # dev]
...We tried enabling blacklisting for some customers and in the cloud, very quickly they end up having 0 executors due to various transient errors. So unfortunately I think the current implemen...
   Author: Reynold Xin , 2019-03-29, 18:18
[expand - 2 more] - UDAFs have an inefficiency problem - Spark - [mail # dev]
...Yes this is known and an issue for performance. Do you have any thoughts onhow to fix this?On Wed, Mar 27, 2019 at 4:19 PM Erik Erlandson  wrote:> I describe some of the details here...
   Author: Reynold Xin , 2019-03-27, 23:20
Do you use single-quote syntax for the DataFrame API? - Spark - [mail # dev]
...As part of evolving the Scala language, the Scala team is considering removing single-quote syntax for representing symbols. Single-quote syntax is one of the ways to represent a column in S...
   Author: Reynold Xin , 2019-03-31, 06:58
understanding the plans of spark sql - Spark - [mail # dev]
...This is more of a question for the connector. It depends on how the connector is implemented. Some implements aggregate pushdown, but most don't.On Mon, Mar 18, 2019 at 10:05 AM, asma zgolli...
   Author: Reynold Xin , 2019-03-18, 17:08
[HELP WANTED] Apache Zipkin (incubating) needs Spark gurus - Spark - [mail # user]
...Are there specific questions you have? Might be easier to post them herealso.On Wed, Mar 20, 2019 at 5:16 PM Andriy Redko  wrote:> Hello Dear Spark Community!>> The hyper-popul...
   Author: Reynold Xin , 2019-03-21, 06:56
[expand - 1 more] - Make proactive check for closure serializability optional? - Spark - [mail # dev]
...Did you actually observe a perf issue?On Mon, Jan 21, 2019 at 10:04 AM Sean Owen  wrote:> The ClosureCleaner proactively checks that closures passed to> transformations like RDD.m...
   Author: Reynold Xin , 2019-01-21, 18:17