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https://issues.apache.org/jira/browse/KYLIN-4433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shao Feng Shi updated KYLIN-4433:
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Fix Version/s: v2.6.6
> When uhc step is turned on, Build Dimension Dictionary job cannot get correct
> configuration
> -------------------------------------------------------------------------------------------
>
> Key: KYLIN-4433
> URL: https://issues.apache.org/jira/browse/KYLIN-4433
> Project: Kylin
> Issue Type: Bug
> Components: Job Engine
> Affects Versions: v2.6.4
> Reporter: ChangjiGuo
> Assignee: ChangjiGuo
> Priority: Major
> Fix For: v2.6.6
>
>
> Hi guys :
> In the _Configuration overrides_ step of _Cube Designer_, I added the
> following configuration:
> {code:java}
> kylin.engine.mr.build-uhc-dict-in-additional-step = true
> {code}
> When building the cube, it will take an extra step to handle the UHC
> dimensions, but I found that in the step of 'Build Dimension Dictionary', it
> still builds the dictionary that has been built in the previous step which
> takes double the time to build the dictionary.
> When I traced the source code, I found that our expected code was not
> executed due to _config.isBuildUHCDictWithMREnabled() == false_ :
> {code:java}
> if (config.isBuildUHCDictWithMREnabled() && uhcColumns.contains(col)) {
> colDir = new Path(dictPath, col.getIdentity());
> } else {
> colDir = new Path(factColumnsInputPath, col.getIdentity());
> }
> {code}
> The root cause is that the configuration used in this step is the
> environment configuration, but our parameters are set in the cube:
> {code:java}
> final KylinConfig config = KylinConfig.getInstanceFromEnv();{code}
> I think the configuration of the cube should be used here instead of the
> environment configuration.
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