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Posted to issues@kylin.apache.org by "jiezouSH (JIRA)" <ji...@apache.org> on 2019/05/23 10:01:00 UTC
[jira] [Created] (KYLIN-4012) optimize cache in
TrieDictionary/TrieDictionaryForest
jiezouSH created KYLIN-4012:
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Summary: 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
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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