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Posted to issues@kylin.apache.org by "Vsevolod Ostapenko (JIRA)" <ji...@apache.org> on 2017/11/29 22:06:00 UTC

[jira] [Created] (KYLIN-3068) HiveColumnCardinalityJob.java is using deprecated parameter name for HDFS block size

Vsevolod Ostapenko created KYLIN-3068:
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             Summary: HiveColumnCardinalityJob.java is using deprecated parameter name for HDFS block size
                 Key: KYLIN-3068
                 URL: https://issues.apache.org/jira/browse/KYLIN-3068
             Project: Kylin
          Issue Type: Bug
          Components: Job Engine
    Affects Versions: v2.2.0
         Environment: HDP 2.5.3, Kylin 2.2.0
            Reporter: Vsevolod Ostapenko
            Assignee: Dong Li
            Priority: Minor


While setting MR job configuration HiveColumnCardinalityJob.java uses deprecated parameter name for HDFS block size.
Since Hadoop 2.5 (at least) recommended parameter name is dfs.blocksize, while the existing code (2.2.0 and earlier) uses dfs.block.size (please refer to the list of Hadoop deprecated parameters - http://hadoop.apache.org/docs/r2.7.3/hadoop-project-dist/hadoop-common/DeprecatedProperties.html)

As the result users have to use deprecated name in kylin.properties, if job parameters need to be tuned.



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