Daniel Dai created TEZ-1151:
-------------------------------
Summary: set parallelism on non 1-1 vertex cause exception
Key: TEZ-1151
URL: https://issues.apache.org/jira/browse/TEZ-1151
Project: Apache Tez
Issue Type: Bug
Reporter: Daniel Dai
Assignee: Bikas Saha
In TEZ-1145, application is allowed to set -1 parallelism on a non 1-1 input
vertex, and expect VertexManager to set the actual parallelism dynamically.
However, when I does that, I hit the following exception:
{code}
org.apache.tez.dag.api.TezUncheckedException: vertex_1400869346120_0005_1_04
has -1 tasks but neither input initializers nor 1-1 uninited sources
at
org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.handleInitEvent(VertexImpl.java:2485)
at
org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.transition(VertexImpl.java:2431)
at
org.apache.tez.dag.app.dag.impl.VertexImpl$InitTransition.transition(VertexImpl.java:2412)
at
org.apache.hadoop.yarn.state.StateMachineFactory$MultipleInternalArc.doTransition(StateMachineFactory.java:385)
at
org.apache.hadoop.yarn.state.StateMachineFactory.doTransition(StateMachineFactory.java:302)
at
org.apache.hadoop.yarn.state.StateMachineFactory.access$300(StateMachineFactory.java:46)
at
org.apache.hadoop.yarn.state.StateMachineFactory$InternalStateMachine.doTransition(StateMachineFactory.java:448)
at
org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:1267)
at
org.apache.tez.dag.app.dag.impl.VertexImpl.handle(VertexImpl.java:158)
at
org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1716)
at
org.apache.tez.dag.app.DAGAppMaster$VertexEventDispatcher.handle(DAGAppMaster.java:1702)
at
org.apache.hadoop.yarn.event.AsyncDispatcher.dispatch(AsyncDispatcher.java:134)
at
org.apache.hadoop.yarn.event.AsyncDispatcher$1.run(AsyncDispatcher.java:81)
at java.lang.Thread.run(Thread.java:695)
{code}
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