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https://issues.apache.org/jira/browse/KYLIN-2269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kangkaisen updated KYLIN-2269:
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Attachment: (was: KYLIN-2269.patch)
> Reduce MR memory usage for global dict
> --------------------------------------
>
> Key: KYLIN-2269
> URL: https://issues.apache.org/jira/browse/KYLIN-2269
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v1.6.0
> Reporter: kangkaisen
> Assignee: kangkaisen
> Attachments: KYLIN-2269.patch
>
>
> currently, in {{Build Base Cuboid Data}}, if user use the global dict and the
> global dict size significantly larger the mapper memory size, the
> {{CachedTreeMap}} will load all values as much as possible and the soft
> references object will stick around for a while when GC, So which will make
> the {{Build Base Cuboid Data}} mapper pause for a long time even could not
> finish.
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