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[DRILL-3926] TPCH Concurrency Scale tests hit ChannelClosedException - Drill - [issue]
...In TPCH Concurrency tests, we try to see how drill scales up with number of threads with each threads running a simple query (tpch query #6). With 96 threads, many threads terminated due to ...    Author: Dechang Gu , 2018-09-17, 20:29
[DRILL-6718] TPCH Queries hit IOB when running with the JPPD feature - Drill - [issue]
...Running TPCH SF100 queries on drill master commit  b895b28182a981e5948ffa292da827cb8b2e571e (DRILL-6385: Support JPPD feature). 9 queries hit IOB error, the stacks are similar, as follo...    Author: Dechang Gu , 2018-09-17, 16:37
[DRILL-4827] Checking modification time of directories takes too long, needs to be improved - Drill - [issue]
...This is tracking bug for metadata cache performance for directory checking.When evaluating the fix for Drill-4530, we run the following two queries on 50K parquet files in a 3-layer director...    Author: Dechang Gu , 2018-09-13, 23:55
[DRILL-6593] unordered receivers for broadcast senders dont rerpot memmory consumption - Drill - [issue]
...In my regression test on TPCDS SF100 dataset, query 78 profile shows the following:05-xx-02 PROJECT 0.000s 0.001s 0.003s 0.022s 0.000s 0.000s 0.000s 0.02% 0.00% 64,787,488 3MB 3MB05-xx-03 HA...    Author: Dechang Gu , 2018-07-12, 16:51
[DRILL-6448] query on nested data returns bogus results - Drill - [issue]
...I created a nested parquet table nested_c_o_l with the following schema:message root {  optional binary c_custkey (UTF8);  optional binary c_name (UTF8);  optional binary c_ad...    Author: Dechang Gu , 2018-05-25, 23:09
[DRILL-6374] Transitive Closure leads to TPCH Queries regressions and OOM when run concurrency test - Drill - [issue]
...Run TPCH regression test on Apache Drill 1.14.0 master commit 6fcaf4268eddcb09010b5d9c5dfb3b3be5c3f903 (DRILL-6173), most of the queries regressed.In particular, TPC-H Query 9 takes about 4x...    Author: Dechang Gu , 2018-05-23, 18:21
[DRILL-5532] TPCH Query 16 failed when planner.width.max_per_node <10 - Drill - [issue]
...When set planner.width.max_per_node < 10 (tried 6, 8, and 9): TPCH query 16 failed with the following error:java.sql.SQLException: SYSTEM ERROR: NullPointerExceptionFragment 1:1[Error Id:...    Author: Dechang Gu , 2017-11-26, 21:18
[DRILL-5468] TPCH Q18 regressed ~3x due to execution plan changes - Drill - [issue]
...In a regular regression test on Drill master (commit id 841ead4) TPCH Q18 on SF100 parquet dataset took ~81 secs, while the same query on 1.10.0 took only ~27 secs.  The query time on t...    Author: Dechang Gu , 2017-10-31, 21:02
[DRILL-5817] deprecated sys options should be deleted from old zookeeper setting - Drill - [issue]
...In the following example,  exec.query.rowkeyjoin.batchsize is a deprecated sys options, which is replaced with exec.query.rowkeyjoin_batchsize.  Further both of them are just for M...    Author: Dechang Gu , 2017-09-28, 23:01
[DRILL-5809] Queries failed with UnrecognizedPropertyException - Drill - [issue]
...Run tpch queries, all failed due to the following error:java.sql.SQLException: SYSTEM ERROR: UnrecognizedPropertyException: Unrecognized field "type" (class org.apache.drill.exec.server.opti...    Author: Dechang Gu , 2017-09-27, 18:02