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[SPARK-10815] Public API: Streaming Sources and Sinks - Spark - [issue]
...The existing (in 2.0) source/sink interface for structured streaming depends on RDDs. This dependency has two issues:1. The RDD interface is wide and difficult to stabilize across versions. ...    Author: Reynold Xin , 2019-05-21, 04:13
[SPARK-12635] More efficient (column batch) serialization for Python/R - Spark - [issue]
...Serialization between Scala / Python / R is pretty slow. Python and R both work pretty well with column batch interface (e.g. numpy arrays). Technically we should be able to just pass column...    Author: Reynold Xin , 2019-05-21, 04:13
[SPARK-7200] Tungsten test suites should fail if memory leak is detected - Spark - [issue]
...We should be able to detect whether there are unreturned memory after each suite and fail the suite....    Author: Reynold Xin , 2019-05-21, 04:13
[SPARK-15816] SQL server based on Postgres protocol - Spark - [issue]
...At Spark Summit today this idea came up from a discussion: it would be great to investigate the possibility of implementing a new SQL server using Postgres' protocol, in lieu of Hive ThriftS...    Author: Reynold Xin , 2019-05-21, 04:13
[SPARK-20867] Move individual hints from Statistics into HintInfo class - Spark - [issue]
...This is a follow-up to SPARK-20857 to move the broadcast hint from Statistics into a new HintInfo class, so we can be more flexible in adding new hints in the future....    Author: Reynold Xin , 2019-05-21, 04:15
[SPARK-19856] Turn partitioning related test cases in FileSourceStrategySuite from integration tests into unit tests - Spark - [issue]    Author: Reynold Xin , 2019-05-21, 04:11
[SPARK-9213] Improve regular expression performance (via joni) - Spark - [issue]
...I'm creating an umbrella ticket to improve regular expression performance for string expressions. Right now our use of regular expressions is inefficient for two reasons:1. Java regex in gen...    Author: Reynold Xin , 2019-05-21, 04:10
[SPARK-19855] Create an internal FilePartitionStrategy interface - Spark - [issue]    Author: Reynold Xin , 2019-05-21, 04:16
[SPARK-19854] Refactor file partitioning strategy to make it easier to extend / unit test - Spark - [issue]
...The way we currently do file partitioning strategy is hard coded in FileSourceScanExec. This is not ideal for two reasons:1. It is difficult to unit test the default strategy. In order to te...    Author: Reynold Xin , 2019-05-21, 04:16
[SPARK-8113] SQL module test cleanup - Spark - [issue]
...Some cleanup tasks to track here....    Author: Reynold Xin , 2019-05-21, 04:32