zoukankan      html  css  js  c++  java
  • 解决kylin报错:Failed to create dictionary on <db>.<table>, Caused by: java.lang.IllegalArgumentException: Too high cardinality is not suitable for dictionary

    报错信息:

    2017-05-13 15:14:30,035 DEBUG [pool-9-thread-10] dict.DictionaryGenerator:94 : Dictionary class: org.apache.kylin.dict.TrieDictionary
    2017-05-13 15:14:30,036 ERROR [pool-9-thread-10] common.HadoopShellExecutable:65 : error execute HadoopShellExecutable{id=2657ff38-35b0-4a33-9f6b-fee48031147f-03, name=B
    uild Dimension Dictionary, state=RUNNING}
    java.lang.RuntimeException: Failed to create dictionary on HM_30_1_PROD_20170418_20170512.OUTPATIENT_VISIT_ANTIBIOTICS.VISIT_SN
            at org.apache.kylin.dict.DictionaryManager.buildDictionary(DictionaryManager.java:325)
            at org.apache.kylin.cube.CubeManager.buildDictionary(CubeManager.java:222)
            at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:50)
            at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:41)
            at org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:54)
            at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
            at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
            at org.apache.kylin.engine.mr.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:63)
            at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)
            at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)
            at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)
            at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:136)
            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
            at java.lang.Thread.run(Thread.java:745)
    Caused by: java.lang.IllegalArgumentException: Too high cardinality is not suitable for dictionary -- cardinality: 5980217
            at org.apache.kylin.dict.DictionaryGenerator.buildDictionary(DictionaryGenerator.java:96)
            at org.apache.kylin.dict.DictionaryGenerator.buildDictionary(DictionaryGenerator.java:73)
            at org.apache.kylin.dict.DictionaryManager.buildDictionary(DictionaryManager.java:321)
            ... 14 more
    解决方案:
    1. 请使用其他编码方式,例如“fixed_length”,“integer”等。
  • 相关阅读:
    园友五一快乐
    silverlight 2.0 入门教程(三)
    AJXA控件示例之   Accordion
    LINQ学习入门教程(一)
    泛型学习笔记
    梆定一个方法并把数据库中的值作为参数
    翻译IP地址转换成IP Number并得到国家
    vs 2005中解决找不到模板项
    silverlight 入门学习(二)
    最近的学习计划
  • 原文地址:https://www.cnblogs.com/aprilrain/p/6916298.html
Copyright © 2011-2022 走看看