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Too high cardinality in kylin in HDP 2.3.4

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java.lang.IllegalArgumentException: Too high cardinality is not suitable for dictionary -- kylin_db.kylin_test.cust_id cardinality: 10305648 at org.apache.kylin.dict.DictionaryGenerator.buildDictionaryFromValueEnumerator(DictionaryGenerator.java:81) at org.apache.kylin.dict.DictionaryGenerator.buildDictionary(DictionaryGenerator.java:100) at org.apache.kylin.dict.DictionaryManager.buildDictionary(DictionaryManager.java:212) at org.apache.kylin.cube.CubeManager.buildDictionary(CubeManager.java:166) at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:52) at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:41) at org.apache.kylin.job.hadoop.dict.CreateDictionaryJob.run(CreateDictionaryJob.java:52) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90) at org.apache.kylin.job.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:62) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:107) at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:51) at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:107) at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:130) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) result code:2

1 ACCEPTED SOLUTION

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I have resolved this issue by changing the dictionary(Row key) value from N to Y in Cube Advanced settings option .

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1 REPLY 1

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I have resolved this issue by changing the dictionary(Row key) value from N to Y in Cube Advanced settings option .

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