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https://issues.apache.org/jira/browse/KYLIN-4369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wangxiaojing updated KYLIN-4369:
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Attachment: image-2020-02-03-15-29-49-760.png
> 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
> Priority: Major
> Attachments: image-2020-02-03-15-27-16-599.png,
> image-2020-02-03-15-29-49-760.png
>
>
> {panel:title=Enable Mr / hive global dictionary}
> 1.Set the measures to count distinct and select the precise type column.
> 2.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}
> {panel:title=Use global domain dictionary}
> Reuse Mr/Hive global dictionary columns of other cubes to avoid building
> dictionaries repeatedly
> 1.cube——Configuration Overwritese
> Key: kylin.dictionary.mr-hive.ref.columns
> Value: globalDictColumnName:referencedCubeName_referencedColumnName,
> multiple columns separated by commas,Eg: KYLIN_SALES_BUYER_ID global MR/Hive
> Dict reuse cube kylin_sales_cube_spark_notopn's global MR/Hive column
> KYLIN_SALES_BUYER_ID, we can config:
> KYLIN_SALES_BUYER_ID:kylin_sales_cube_spark_notopn.KYLIN_SALES_BUYER_ID
> {panel}
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