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[SPARK-30091] Document mergeSchema option directly in the Python Parquet APIs - Spark - [issue]
...http://spark.apache.org/docs/2.4.4/api/python/pyspark.sql.html#pyspark.sql.DataFrameReader.parquetStrangely, the `mergeSchema` option is mentioned in the docstring but not implemented in the...
http://issues.apache.org/jira/browse/SPARK-30091    Author: Nicholas Chammas , 2019-12-04, 15:52
[SPARK-30113] Document mergeSchema option in Python Orc APIs - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-30113    Author: Nicholas Chammas , 2019-12-04, 15:52
[SPARK-29903] Add documentation for recursiveFileLookup - Spark - [issue]
...SPARK-27990 added a new option, recursiveFileLookup, for recursively loading data from a source directory. There is currently no documentation for this option.We should document this both fo...
http://issues.apache.org/jira/browse/SPARK-29903    Author: Nicholas Chammas , 2019-12-04, 15:52
[SPARK-3431] Parallelize Scala/Java test execution - Spark - [issue]
...Running all the tests in dev/run-tests takes up to 2 hours. A common strategy to cut test time down is to parallelize the execution of the tests. Doing that may in turn require some prerequi...
http://issues.apache.org/jira/browse/SPARK-3431    Author: Nicholas Chammas , 2019-12-04, 03:01
[expand - 1 more] - Auto-linking Jira tickets to their PRs - Spark - [mail # dev]
...Hmm, looks like something weird is going on, since it seems to be workinghere  and here. Perhaps it wastemporarily broken and is now working again.On Tue, Dec 3, 2019 at 8:35 PM Hyukjin...
   Author: Nicholas Chammas , 2019-12-04, 02:13
[expand - 1 more] - Can't build unidoc - Spark - [mail # dev]
...That worked. Thanks Sean. Going forward, I will try that as atroubleshooting step before posting on the dev list.On Fri, Nov 29, 2019 at 1:04 PM Sean Owen  wrote:> I'm not seeing tha...
   Author: Nicholas Chammas , 2019-11-29, 19:12
[expand - 1 more] - Use Hadoop-3.2 as a default Hadoop profile in 3.0.0? - Spark - [mail # dev]
...> I don't think the default Hadoop version matters except for thespark-hadoop-cloud module, which is only meaningful under the hadoop-3.2profile.What do you mean by "only meaningful under...
   Author: Nicholas Chammas , 2019-11-20, 04:57
[ANNOUNCE] Announcing Apache Spark 3.0.0-preview - Spark - [mail # user]
...> Data Source API with Catalog SupportsWhere can we read more about this? The linked Nabble thread doesn't mentionthe word "Catalog".On Thu, Nov 7, 2019 at 5:53 PM Xingbo Jiang  wrot...
   Author: Nicholas Chammas , 2019-11-16, 16:51
Spark 3.0 and S3A - Spark - [mail # dev]
...Howdy folks,I have a question about what is happening with the 3.0 release in relationto Hadoop and hadoop-aws.Today, among other builds, we release a build of Spark built against Hadoop2.7 ...
   Author: Nicholas Chammas , 2019-10-28, 15:34
[SPARK-29102] Read gzipped file into multiple partitions without full gzip expansion on a single-node - Spark - [issue]
...Large gzipped files are a common stumbling block for new users (SPARK-5685, SPARK-28366) and an ongoing pain point for users who must process such files delivered from external parties who c...
http://issues.apache.org/jira/browse/SPARK-29102    Author: Nicholas Chammas , 2019-09-28, 05:35