Gopal V created HIVE-9976:
-----------------------------
Summary: Possible race condition in DynamicPartitionPruner for
<200ms tasks
Key: HIVE-9976
URL: https://issues.apache.org/jira/browse/HIVE-9976
Project: Hive
Issue Type: Bug
Components: Tez
Affects Versions: llap
Reporter: Gopal V
Assignee: Gunther Hagleitner
Race condition in the DynamicPartitionPruner between
DynamicPartitionPruner::processVertex() and DynamicPartitionpruner::addEvent()
for tasks which respond with both the result and success in a single heartbeat
sequence.
{code}
2015-03-16 07:05:01,589 ERROR [InputInitializer [Map 1] #0]
tez.DynamicPartitionPruner: Expecting: 1, received: 0
2015-03-16 07:05:01,590 ERROR [Dispatcher thread: Central] impl.VertexImpl:
Vertex Input: store_sales initializer failed,
vertex=vertex_1424502260528_1113_4_04 [Map 1]
org.apache.tez.dag.app.dag.impl.AMUserCodeException:
org.apache.hadoop.hive.ql.metadata.HiveException: Incorrect event count in
dynamic parition pruning
{code}
All 4 upstream vertices of Map 1 need to finish within ~200ms to trigger this,
which seems to be happening with LLAP.
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