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[SPARK-15071] Check the result of all TPCDS queries - Spark - [issue]
...We should compare the results of all TPCDS query again other Database that could support all of them (for example, IBM Big SQL, PostgreSQL)...    Author: Davies Liu , 2019-05-21, 04:15
[SPARK-11609] Resolve permanent Hive UDFs - Spark - [issue]
...A Hive function could be registered in Hive metastore, but HiveContext use execution Hive to resolve Hive UDF, that could not find those funcitons registered in Michael Armbrust...    Author: Davies Liu , 2019-05-21, 04:14
[SPARK-19370] Flaky test: MetadataCacheSuite - Spark - [issue]
... SPARK-16336 Suggest doing table refresh when encountering FileNotFoundExcep...    Author: Davies Liu , 2019-05-21, 04:14
[SPARK-16180] Task hang on fetching blocks (cached RDD) - Spark - [issue]
...Here is the stackdump of executor:sun.misc.Unsafe.park(Native Method)java.util.concurrent.locks.LockSupport.park(    Author: Davies Liu , 2019-05-21, 04:14
[SPARK-18233] Failed to deserialize the task - Spark - [issue]
...16/11/02 18:36:32 ERROR Executor: Exception in task 652.0 in stage 27.0 (TID 21101) org.apache.spark.executor.TaskMet; serializable and externalizable flags con...    Author: Davies Liu , 2019-05-21, 04:11
[SPARK-18097] Can't drop a table from Hive if the schema is corrupt - Spark - [issue]
...When the schema of Hive table is broken, we can't drop the table using Spark SQL, for exampleError in SQL statement: QueryExecutionException: FAILED: IllegalArgumentException Error: > exp...    Author: Davies Liu , 2019-05-21, 04:16
[SPARK-10572] Investigate the contentions bewteen tasks in the same executor - Spark - [issue]
...According to the benchmark results Jesse F Chen, It's surprised to see there are so much difference (4X) in term of number of executors, we should investigate the reason.```> Just be curi...    Author: Davies Liu , 2019-05-21, 04:36
[SPARK-18032] Spark test failed as OOM in jenkins - Spark - [issue]
...I saw some tests failed as OOM recently, for example, we should increase the heaps...    Author: Davies Liu , 2019-05-21, 04:37
[SPARK-13409] Log the stacktrace when stopping a SparkContext - Spark - [issue]
...Somethings we saw a stopped SparkContext, then have no idea it's stopped by what, we should log that for troubleshooting....    Author: Davies Liu , 2019-05-21, 04:37
[SPARK-14333] Duration of task should be the total time (not just computation time) - Spark - [issue]
...Right now, the duration of a task in Stage page is task computation time, it should be total time (including serialization and fetching results). We should also have a separate column for co...    Author: Davies Liu , 2019-05-21, 04:37