kangkaisen created KYLIN-2270:
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Summary: Reduce MR memory usage for global dict
Key: KYLIN-2270
URL: https://issues.apache.org/jira/browse/KYLIN-2270
Project: Kylin
Issue Type: Improvement
Affects Versions: v1.6.0
Reporter: kangkaisen
Assignee: kangkaisen
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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