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[SPARK-24840] do not use dummy filter to switch codegen on/off - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24840    Author: Wenchen Fan , 2018-07-19, 03:56
[SPARK-19563] advoid unnecessary sort in FileFormatWriter - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-19563    Author: Wenchen Fan , 2018-03-30, 18:58
[SPARK-24861] create corrected temp directories in RateSourceSuite - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24861    Author: Wenchen Fan , 2018-07-20, 05:40
[SPARK-21033] fix the potential OOM in UnsafeExternalSorter - Spark - [issue]
...In `UnsafeInMemorySorter`, one record may take 32 bytes: 1 `long` for pointer, 1 `long` for key-prefix, and another 2 `long`s as the temporary buffer for radix sort.In `UnsafeExternalSorter`...
http://issues.apache.org/jira/browse/SPARK-21033    Author: Wenchen Fan , 2018-05-09, 02:23
[SPARK-24169] JsonToStructs should not access SQLConf at executor side - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24169    Author: Wenchen Fan , 2018-05-03, 15:38
[SPARK-24168] WindowExec should not access SQLConf at executor side - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24168    Author: Wenchen Fan , 2018-05-04, 00:27
[SPARK-24167] ParquetFilters should not access SQLConf at executor side - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24167    Author: Wenchen Fan , 2018-05-04, 01:29
[SPARK-24250] support accessing SQLConf inside tasks - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24250    Author: Wenchen Fan , 2018-05-26, 00:16
[SPARK-19765] UNCACHE TABLE should also un-cache all cached plans that refer to this table - Spark - [issue]
...DropTableCommand, TruncateTableCommand, AlterTableRenameCommand, UncacheTableCommand, RefreshTable and InsertIntoHiveTable will un-cache all the cached plans that refer to this table...
http://issues.apache.org/jira/browse/SPARK-19765    Author: Wenchen Fan , 2018-06-25, 17:12
[SPARK-24588] StreamingSymmetricHashJoinExec should require HashClusteredPartitioning from children - Spark - [issue]
...In https://github.com/apache/spark/pull/19080, we simplified the distribution/partitioning framework, and make all the join-like operators require HashClusteredDistribution from children. Un...
http://issues.apache.org/jira/browse/SPARK-24588    Author: Wenchen Fan , 2018-06-21, 22:40