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https://issues.apache.org/jira/browse/KYLIN-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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nichunen resolved KYLIN-4012.
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Resolution: Fixed
> optimize cache in TrieDictionary/TrieDictionaryForest
> -----------------------------------------------------
>
> Key: KYLIN-4012
> URL: https://issues.apache.org/jira/browse/KYLIN-4012
> Project: Kylin
> Issue Type: Improvement
> Affects Versions: v2.5.0
> Reporter: jiezouSH
> Assignee: jiezouSH
> Priority: Major
> Fix For: v3.0.0-alpha2
>
>
> Currently,
> CacheDictionary, parent class of TrieDictionary and TrieDictionaryForest, has
> 3 cache:
> valueToIdCache,
> idToValueCache,
> idToValueByteCache.
> However, The function of idToValueCache and idToValueByteCache is highly
> duplicated.
> It is better to merge idToValueCache and idToValueByteCache, saving memory in
> about half the dict's physical size
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