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[SPARK-31973] Add ability to disable Sort,Spill in Partial aggregation - Spark - [issue]
...In case of HashAggregation, a partial aggregation(update) is done followed by final aggregation(merge) During partial aggregation we sort and spill to disk everytime, when the fast Map(when ...    Author: Karuppayya , 2020-06-12, 00:23
[SPARK-31877] Stats computed for HiveTable not used - Spark - [issue]
...When fixing SPAK-31850, I made the following observationAs part of DetermineTableStats rule, we compute the stats for a HiveTableRelation.In most case(the flag for converting Parquet and Orc...    Author: Karuppayya , 2020-06-05, 05:27
[SPARK-31897] Enable codegen for GenerateExec - Spark - [issue]
...Codegen had been disabled as part of has been lots of improvements in the Generate code flow, after it ha...    Author: Karuppayya , 2020-06-03, 05:14
[SPARK-31692] Hadoop confs passed via spark config are not set in URLStream Handler Factory - Spark - [issue]
...Hadoop conf passed via spark config(as "spark.hadoop.*") are not set in URLStreamHandlerFactory...    Author: Karuppayya , 2020-06-01, 17:33
[SPARK-31850] DetermineTableStats rules computes stats multiple time for same table - Spark - [issue]
...DetermineTableStats rules computes stats multiple time for same table.There are few rules which invokeorg.apache.spark.sql.catalyst.analysis.Analyzer#executeSameContext The above method caus...    Author: Karuppayya , 2020-05-28, 06:08
[expand - 2 more] - Contributing to Arrow - Arrow - [mail # dev]
...Hi Ji,Thanks for letting me know.I will pick it up.Thanks & regardsKaruppayyaOn Sat, 25 Apr 2020, 23:30 Ji Liu,  wrote:> Hi Karuppayya,> Welcome!> If you are interested in this...
   Author: karuppayya , 2020-04-26, 06:33
[SPARK-29324] saveAsTable with overwrite mode results in metadata loss - Spark - [issue]
...scala> spark.range(1).write.option("path", "file:///tmp/tbl").format("orc").saveAsTable("tbl")scala> spark.sql("desc extended tbl").collect.foreach(println)[id,bigint,null][,,][# Detai...    Author: Karuppayya , 2019-10-23, 07:25
[SPARK-26781] Additional exchange gets added - Spark - [issue]
...Consider three tables: a(id int), b(id int), c(id, int)query:  select * from (select as newid from a join b where = temp join c on temp.newid = c.idPlan(physical plan: org.ap...    Author: Karuppayya , 2019-09-17, 00:28
[ZEPPELIN-711] Load connfigured dependencies(in interpreter settings) at stratup time - Zeppelin - [issue]
...When i try to re-use interpreter.json in a different zeppelin instance, the dependencies are note loaded and my paras fail.If there are some deps configured in the interpretersetting, load t...    Author: Karuppayya , 2019-05-18, 13:22
[ZEPPELIN-2687] Show more meaningful info in spark UI, for each job created from paragraph run - Zeppelin - [issue]
...Show more meaningful info(code??) in spark UI, for each job created from paragraph run.Currently it show the repl class names  for scala, gateway server backtrace for pyspark and some i...    Author: Karuppayya , 2018-07-04, 09:06