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Posted to dev@kylin.apache.org by "liyang (JIRA)" <ji...@apache.org> on 2018/04/18 06:57:00 UTC
[jira] [Created] (KYLIN-3342) Cubing level calculation
inconsistent?
liyang created KYLIN-3342:
-----------------------------
Summary: Cubing level calculation inconsistent?
Key: KYLIN-3342
URL: https://issues.apache.org/jira/browse/KYLIN-3342
Project: Kylin
Issue Type: Bug
Reporter: liyang
Got below exception during cube build.
{{ Caused by: java.lang.IndexOutOfBoundsException: Index: 7, Size: 7}}
{{ at java.util.ArrayList.rangeCheck(ArrayList.java:635)}}
{{ at java.util.ArrayList.get(ArrayList.java:411)}}
{{ at org.apache.kylin.engine.mr.common.CubeStatsReader.estimateLayerSize(SourceFile:280)}}
{{ at org.apache.kylin.engine.spark.SparkCubingByLayer.estimateRDDPartitionNum(SourceFile:219)}}
{{ at org.apache.kylin.engine.spark.SparkCubingByLayer.execute(SourceFile:199)}}
{{ at org.apache.kylin.common.util.AbstractApplication.execute(SourceFile:37)}}
{{ ... 6 more}}
Found two way of calculating the level of cuboids
* via CuboidScheduler.getBuildLevel()
* via CuboidUtil.getLongestDepth(...)
We should settle down on one approach.
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