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From "Chun Chang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-1700) caught a memory assertion on an order by
Date Wed, 12 Nov 2014 23:48:34 GMT
Chun Chang created DRILL-1700:
---------------------------------

             Summary: caught a memory assertion on an order by
                 Key: DRILL-1700
                 URL: https://issues.apache.org/jira/browse/DRILL-1700
             Project: Apache Drill
          Issue Type: Bug
          Components: Query Planning & Optimization
    Affects Versions: 0.7.0
            Reporter: Chun Chang
            Priority: Blocker


#Wed Nov 12 13:06:45 EST 2014
git.commit.id.abbrev=1e21045

The following query on a 1 million row data caused a memory assertion.

0: jdbc:drill:schema=dfs> select columns[0], columns[1], columns[2] from `aggregate_1m.csv`
order by cast(columns[0] as int);
+------------+------------+------------+
|   EXPR$0   |   EXPR$1   |   EXPR$2   |
+------------+------------+------------+
Query failed: Failure while running fragment.[ 7bc42b6c-c00a-41c2-af43-331655e5a178 on qa-node119.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)

The same query adding a limit (say limit 100) worked. Here is the assertion stack in drill
bit log:

2014-11-12 15:16:22,864 [f89183d7-f94d-4ece-818f-8e597859d529:frag:0:0] WARN  o.a.d.e.w.fragment.FragmentExecutor
- Error while initializing or executing fragment
java.lang.AssertionError: null
        at org.apache.drill.exec.memory.AtomicRemainder.get(AtomicRemainder.java:126) ~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]
        at org.apache.drill.exec.memory.AtomicRemainder.forceGet(AtomicRemainder.java:85)
~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]
        at org.apache.drill.exec.memory.Accountor.forceAdditionalReservation(Accountor.java:142)
~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]
        at org.apache.drill.exec.memory.Accountor.transferTo(Accountor.java:111) ~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]
        at io.netty.buffer.DrillBuf.transferAccounting(DrillBuf.java:182) ~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:4.0.24.Final]
        at org.apache.drill.exec.memory.TopLevelAllocator$ChildAllocator.takeOwnership(TopLevelAllocator.java:192)
~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]
        at org.apache.drill.exec.physical.impl.xsort.ExternalSortBatch.takeOwnership(ExternalSortBatch.java:464)
~[drill-java-exec-0.7.0-incubating-SNAPSHOT-rebuffed.jar:0.7.0-incubating-SNAPSHOT]



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