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Posted to issues@drill.apache.org by "Chun Chang (JIRA)" <ji...@apache.org> on 2015/03/05 23:43:38 UTC
[jira] [Created] (DRILL-2390) regression: MergeJoinBatch size
exceeds 64k limit
Chun Chang created DRILL-2390:
---------------------------------
Summary: regression: MergeJoinBatch size exceeds 64k limit
Key: DRILL-2390
URL: https://issues.apache.org/jira/browse/DRILL-2390
Project: Apache Drill
Issue Type: Bug
Components: Functions - Drill
Affects Versions: 0.8.0
Reporter: Chun Chang
Assignee: Venki Korukanti
#Wed Mar 04 01:23:42 EST 2015
git.commit.id.abbrev=71b6bfe
Enable merge join, following query hits the batch size limit issue.
{code}
0: jdbc:drill:schema=dfs.drillTestDirComplexJ> alter session set `planner.enable_mergejoin` = true;
+------------+------------+
| ok | summary |
+------------+------------+
| true | planner.enable_mergejoin updated. |
+------------+------------+
1 row selected (0.03 seconds)
0: jdbc:drill:schema=dfs.drillTestDirComplexJ> alter session set `planner.enable_hashjoin` = false;
+------------+------------+
| ok | summary |
+------------+------------+
| true | planner.enable_hashjoin updated. |
+------------+------------+
1 row selected (0.025 seconds)
0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select count(a.id) from `complex100k.json` a inner join `complex100k.json` b on a.gbyi=b.gbyi;
+------------+
| EXPR$0 |
+------------+
Query failed: RemoteRpcException: Failure while running fragment., Incoming batch of org.apache.drill.exec.physical.impl.join.MergeJoinBatch has size 3276800, which is beyond the limit of 65536 [ e26545df-a8c3-4cd6-b02a-1872db4ac41f on qa-node120.qa.lab:31010 ]
[ e26545df-a8c3-4cd6-b02a-1872db4ac41f on qa-node120.qa.lab:31010 ]
java.lang.RuntimeException: java.sql.SQLException: Failure while executing query.
at sqlline.SqlLine$IncrementalRows.hasNext(SqlLine.java:2514)
at sqlline.SqlLine$TableOutputFormat.print(SqlLine.java:2148)
at sqlline.SqlLine.print(SqlLine.java:1809)
at sqlline.SqlLine$Commands.execute(SqlLine.java:3766)
at sqlline.SqlLine$Commands.sql(SqlLine.java:3663)
at sqlline.SqlLine.dispatch(SqlLine.java:889)
at sqlline.SqlLine.begin(SqlLine.java:763)
at sqlline.SqlLine.start(SqlLine.java:498)
at sqlline.SqlLine.main(SqlLine.java:460)
{code}
This worked before.
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