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[DRILL-6830] Hook.REL_BUILDER_SIMPLIFY handler didn't removed cause performance degression - Drill - [issue]
...Planning performance degression has been observed that the duration of planning increased from 30ms to 160ms after running drill a long period of time(say a month).RelBuilder.simplify never ...    Author: shuifeng lu , 2018-11-20, 10:59
[DRILL-6862] Update Calcite to 1.18.0 - Drill - [issue]
...After ongoing release of the new Calcite version we will change our dependency.  ...    Author: Igor Guzenko , 2018-11-20, 10:53
[expand - 6 more] - [DISCUSS] 1.15.0 release - Drill - [mail # dev]
...@Charles Your changes require some time to pass review, it is better toconsider them to the next release.All other mentioned issues are resolved.Team, please verify the tickets which you are...
   Author: Vitalii Diravka , Gautam Parai , ... , 2018-11-20, 10:20
[DRILL-6567] Jenkins Regression: TPCDS query 93 fails with INTERNAL_ERROR ERROR: java.lang.reflect.UndeclaredThrowableException. - Drill - [issue]
...This is TPCDS Query 93.Query: /root/drillAutomation/framework-master/framework/resources/Advanced/tpcds/tpcds_sf100/hive/parquet/query93.sqlSELECT ss_customer_sk,Sum(act_sales) sumsalesFROM ...    Author: Robert Hou , 2018-11-20, 09:44
[DRILL-6817] Update to_number function to be consistent with CAST function - Drill - [issue]
...In case when `drill.exec.functions.cast_empty_string_to_null` is enabled casting empty string ('') to numeric types will return NULL. If `to_number` is used to convert empty string to a numb...    Author: Bohdan Kazydub , 2018-11-20, 07:20
[DRILL-6861] Hash-Join: Spilled partitions are skipped following an empty probe side - Drill - [issue]
...     Following DRILL-6755 (Avoid building a hash table when the probe side is empty) - The special case of an empty spilled probe-partition was not handled.  When such a case happens, the Ha...    Author: Boaz Ben-Zvi , 2018-11-20, 03:32
[DRILL-6855] Query from non-existent proxy user fails with "No default schema selected" when impersonation is enabled - Drill - [issue]
...Query from a proxy user fails with following error when impersonation is enabled but user does not exist. This behaviour was discovered when running Drill on MapR.Error: VALIDATION ERROR: Sc...    Author: Abhishek Ravi , 2018-11-19, 22:38
[DRILL-6076] Reduce the default memory from a total of 13GB to 5GB - Drill - [issue]
...Currently, the default memory requirements for Drill are about 13GB, with the following allocations: 4GB Heap 8GB Direct Memory 1GB CodeCache 512MB MaxPermSizeAlso, with Drill 1.12.0, the re...    Author: Kunal Khatua , 2018-11-19, 22:37
[DRILL-6845] Eliminate duplicates for Semi Hash Join - Drill - [issue]
...Following DRILL-6735: The performance of the new Semi Hash Join may degrade if the build side contains excessive number of join-key duplicate rows; this mainly a result of the need to store ...    Author: Boaz Ben-Zvi , 2018-11-19, 22:35
[DRILL-6767] Simplify transfer of information from the planner to the operators - Drill - [issue]
...Currently little specific information known to the planner is passed to the operators. For example, see the `joinType` parameter passed to the Join operators (specifying whether this is a LE...    Author: Boaz Ben-Zvi , 2018-11-19, 22:34