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Posted to issues@kylin.apache.org by "nichunen (JIRA)" <ji...@apache.org> on 2019/07/17 07:16:00 UTC
[jira] [Resolved] (KYLIN-4012) optimize cache in
TrieDictionary/TrieDictionaryForest
[ https://issues.apache.org/jira/browse/KYLIN-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
nichunen resolved KYLIN-4012.
-----------------------------
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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