Murtadha Hubail created ASTERIXDB-2005:
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Summary: ArithmeticException on dataset rebalance to a node group
with no nodes
Key: ASTERIXDB-2005
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2005
Project: Apache AsterixDB
Issue Type: Bug
Components: CLUS - Cluster management
Reporter: Murtadha Hubail
Assignee: Murtadha Hubail
When a dataset rebalance is done over a node group with no nodes, the following
exception is encountered:
{code:java}
java.lang.ArithmeticException: / by zero
at
org.apache.asterix.metadata.declared.MetadataProvider.getCardinalityPerPartitionHint(MetadataProvider.java:719)
~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.metadata.utils.SecondaryIndexOperationsHelper.init(SecondaryIndexOperationsHelper.java:198)
~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.metadata.utils.SecondaryIndexOperationsHelper.createIndexOperationsHelper(SecondaryIndexOperationsHelper.java:163)
~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.metadata.utils.IndexUtil.buildDropIndexJobSpec(IndexUtil.java:112)
~[asterix-metadata-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.utils.RebalanceUtil.dropDatasetFiles(RebalanceUtil.java:330)
~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.utils.RebalanceUtil.rebalance(RebalanceUtil.java:200)
~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
at
org.apache.asterix.utils.RebalanceUtil.rebalance(RebalanceUtil.java:124)
~[asterix-app-0.9.2-SNAPSHOT.jar:0.9.2-SNAPSHOT]
{code}
The proposed solution is to treat rebalance to no nodes as a drop dataset.
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