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ASF subversion and git services commented on ASTERIXDB-2005: ------------------------------------------------------------ Commit b8cc121cf5b38bce3c0c758c008ab036efe71d9d in asterixdb's branch refs/heads/master from [~mhubail] [ https://git-wip-us.apache.org/repos/asf?p=asterixdb.git;h=b8cc121 ] [ASTERIXDB-2005][CLUS] Treat dataset rebalance to no nodes as drop - user model changes: no - storage format changes: no - interface changes: no Details: - Drop dataset when rebalanced to empty target nodes Change-Id: I46f687e6006cba952dbfa1fa7771c7c2b7c13472 Reviewed-on: https://asterix-gerrit.ics.uci.edu/1906 Tested-by: Jenkins <jenk...@fulliautomatix.ics.uci.edu> BAD: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Integration-Tests: Jenkins <jenk...@fulliautomatix.ics.uci.edu> Reviewed-by: Till Westmann <ti...@apache.org> > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)