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[SPARK-30656] Support the "minPartitions" option in Kafka batch source and streaming source v1 - Spark - [issue]
...Right now, the "minPartitions" option only works in Kafka streaming source v2. It would be great that we can support it in batch and streaming source v1 (v1 is the fallback mode when a user ...    Author: Shixiong Zhu , 2020-01-28, 22:02
[SPARK-30512] Use a dedicated boss event group loop in the netty pipeline for external shuffle service - Spark - [issue]
...We have been seeing a large number of SASL authentication (RPC requests) timing out with the external shuffle service. The issue and all the analysis we did is described here: http...    Author: Chandni Singh , 2020-01-28, 21:30
[SPARK-26346] Upgrade parquet to 1.11.1 - Spark - [issue]    Author: Yuming Wang , 2020-01-28, 21:29
[SPARK-27166] Improve `printSchema` to print up to the given level - Spark - [issue]
...This issue aims to improve `printSchema` to be able to print up to the given level of the schema.scala> val df = Seq((1,(2,(3,4)))).toDFdf: org.apache.spark.sql.DataFrame = [_1: int, _2: ...    Author: Dongjoon Hyun , 2020-01-28, 20:49
Spark 3.0 and ORC 1.6 - Spark - [mail # dev]
...Hi all,I am a heavy user of Spark at LinkedIn, and am excited about the ZStandard compression option recently incorporated into ORC 1.6. I would love to explore using it for storing/querying...
   Author: David Christle , 2020-01-28, 20:41
[SPARK-30615] normalize the column name in AlterTable - Spark - [issue]
...Because of case insensitive resolution, the column name in AlterTable may match the table schema but not exactly the same. To ease DS v2 implementations, Spark should normalize the column na...    Author: Wenchen Fan , 2020-01-28, 20:26
[expand - 5 more] - `Target Version` management on correctness/data-loss Issues - Spark - [mail # dev]
...Thanks, Tom.I agree that emails are good for urgent announcement and reaching fastagreement. Also, more visible in a short time period.However, some correctness issues are long-standing and ...
   Author: Dongjoon Hyun , Tom Graves , ... , 2020-01-28, 20:20
[SPARK-12312] JDBC connection to Kerberos secured databases fails on remote executors - Spark - [issue]
...When loading DataFrames from JDBC datasource with Kerberos authentication, remote executors (yarn-client/cluster etc. modes) fail to establish a connection due to lack of Kerberos ticket or ...    Author: nabacg , 2020-01-28, 20:15
[SPARK-30366] Remove Redundant Information for InMemoryTableScan in SQL UI - Spark - [issue]
...All the JIRAs within this epic are follow-ups for  This epic contains JIRAs for adding features to how InMemoryTableScan operators and ...    Author: Max Thompson , 2020-01-28, 20:14
[SPARK-27324] document configurations related to executor metrics - Spark - [issue]
...SPARK-23429 introduced executor memory metrics, and the configuration, spark.eventLog.logStageExecutorMetrics.enabled, that determines if per-stage per-executor metric peaks get written to t...    Author: Wing Yew Poon , 2020-01-28, 20:00