[DRILL-3046] Memory Leak after cancelling a query

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.0
• Component/s: Execution - Flow
• Assignee: Abdel Hakim Deneche
• Reporter: Rahul Kumar Challapalli
• Created: 12/May/15 23:56
• Updated: 15/May/15 17:01
• Resolved: 15/May/15 17:01

Description

git.commit.id.abbrev=d10769f

There seems to be a memory leak after cancelling the query immediately after it is started

0: jdbc:drill:schema=dfs_eea> select * from sys.memory;
+------------+------------+--------------+------------+----------------+--------------------+------------+
|  hostname  | user_port  | heap_current |  heap_max  | direct_current | jvm_direct_current | direct_max |
+------------+------------+--------------+------------+----------------+--------------------+------------+
| qa-node191.qa.lab | 31010      | 171717928    | 4151836672 | 11799087       | 100676662          | 34359738368 |
| qa-node190.qa.lab | 31010      | 286131528    | 4151836672 | 7750365        | 50345014           | 34359738368 |
+------------+------------+--------------+------------+----------------+--------------------+------------+
2 rows selected (1.022 seconds)
0: jdbc:drill:schema=dfs_eea> select * from `memleak.json`;
Error: SQL statement execution canceled; resultSet closed. (state=,code=0)
0: jdbc:drill:schema=dfs_eea> select * from sys.memory;
+------------+------------+--------------+------------+----------------+--------------------+------------+
|  hostname  | user_port  | heap_current |  heap_max  | direct_current | jvm_direct_current | direct_max |
+------------+------------+--------------+------------+----------------+--------------------+------------+
| qa-node190.qa.lab | 31010      | 293009856    | 4151836672 | 7750365        | 83899446           | 34359738368 |
| qa-node191.qa.lab | 31010      | 633074864    | 4151836672 | 4307525428     | 4479530038         | 34359738368 |
+------------+------------+--------------+------------+----------------+--------------------+------------+
2 rows selected (0.775 seconds)