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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