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Posted to dev@kylin.apache.org by "wangxiaojing (Jira)" <ji...@apache.org> on 2020/02/03 07:23:00 UTC

[jira] [Created] (KYLIN-4369) Build Global Dict by MR/Hive,Set Config

wangxiaojing created KYLIN-4369:
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             Summary: Build Global Dict by MR/Hive,Set Config
                 Key: KYLIN-4369
                 URL: https://issues.apache.org/jira/browse/KYLIN-4369
             Project: Kylin
          Issue Type: Sub-task
            Reporter: wangxiaojing
            Assignee: wangxiaojing


{panel:title=Enable Mr / hive global dictionary}
 # Set the measures to count distinct and select the precise type column.
 # Set cube —— Configuration Overwrites:
 Key:kylin.dictionary.mr-hive.columns
 Value: the alias of the global dictionary column is required. Multiple columns are separated by commas,Eg:KYLIN_SALES_SELLER_ID,KYLIN_SALES_BUYER_ID{panel}
{panel:title=Configure the number of reduce for each global dict column}
Not necessary.By default, there are two reduce for each column. The more the number, the higher the concurrency.

1.Set cube —— Configuration Overwrites
 Key:kylin.dictionary.mr-hive.columns.reduce.num
 Value: the alias of reduce dictionary column needs to be set: the number of reduce columns, separated by commas, Eg: KYLIN_SALES_SELLER_ID:3

 
{panel}



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