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[SPARK-30896] The behavior of JsonToStructs should not depend on SQLConf.get - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-30896    Author: Wenchen Fan , 2020-02-29, 06:38
[SPARK-29721] Spark SQL reads unnecessary nested fields after using explode - Spark - [issue]
...This is a follow up for SPARK-4502. SPARK-4502 correctly addressed column pruning for nested structures. However, when explode() is called on a nested field, all columns for that nested stru...
http://issues.apache.org/jira/browse/SPARK-29721    Author: Kai Kang , 2020-02-29, 06:36
[SPARK-30992]  Arrange scattered config for streaming - Spark - [issue]
...I found a lot scattered config in Streaming module.I think should arrange these config in unified position. ...
http://issues.apache.org/jira/browse/SPARK-30992    Author: jiaan.geng , 2020-02-29, 06:00
[SPARK-30964] Accelerate InMemoryStore with a new index - Spark - [issue]
...Spark uses the class `InMemoryStore` as the KV storage for live UI and history server(by default if no LevelDB file path is provided).In `InMemoryStore`, all the task data in one application...
http://issues.apache.org/jira/browse/SPARK-30964    Author: Gengliang Wang , 2020-02-29, 05:01
[SPARK-17636] Parquet predicate pushdown for nested fields - Spark - [issue]
...There's a PushedFilters for a simple numeric field, but not for a numeric field inside a struct. Not sure if this is a Spark limitation because of Parquet, or only a Spark limitation.scala&g...
http://issues.apache.org/jira/browse/SPARK-17636    Author: Mitesh , 2020-02-29, 04:34
In Spark Streaming, Direct Kafak Consumers are not evenly distrubuted across executors - Spark - [mail # user]
...I have created one sample Direct Kafka Stream in Spark. Kafka has 30partitions of given topic. But all consumers are executing from sameexecutor machine.Kafka Manager screenshot.[image: Scre...
   Author: Hrishikesh Mishra , 2020-02-29, 04:06
[SPARK-30991] Refactor AQE readers and RDDs - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-30991    Author: Wei Xue , 2020-02-29, 04:04
[SPARK-30821] Executor pods with multiple containers will not be rescheduled unless all containers fail - Spark - [issue]
...Since the restart policy of launched pods is Never, additional handling is required for pods that may have sidecar containers. The executor should be considered failed if any containers have...
http://issues.apache.org/jira/browse/SPARK-30821    Author: Kevin Hogeland , 2020-02-29, 03:33
[SPARK-30949] Driver cores in kubernetes are coupled with container resources, not spark.driver.cores - Spark - [issue]
...Drivers submitted in kubernetes cluster mode set the parallelism of various components like 'RpcEnv', 'MemoryManager', 'BlockManager' from inferring the number of available cores by calling:...
http://issues.apache.org/jira/browse/SPARK-30949    Author: Onur Satici , 2020-02-29, 02:41
[expand - 7 more] - Convert each partition of RDD to Dataframe - Spark - [mail # user]
...Hi Enrico,Thanks for the suggestion, i wanted to know if there are any performance implications of running multi-threaded driver ?If i create multiple Dataframes in parallel, then Spark will...
   Author: Manjunath Shetty H , Enrico Minack , ... , 2020-02-29, 02:30