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https://issues.apache.org/jira/browse/KYLIN-2349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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kangkaisen updated KYLIN-2349:
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Attachment: KYLIN-2349.patch
This patch is based on KYLIN-2338.
> Serialize BitmapCounter with peekLength
> ---------------------------------------
>
> Key: KYLIN-2349
> URL: https://issues.apache.org/jira/browse/KYLIN-2349
> Project: Kylin
> Issue Type: Improvement
> Components: Metadata
> Affects Versions: v1.6.0
> Reporter: kangkaisen
> Assignee: kangkaisen
> Attachments: KYLIN-2349.patch
>
>
> Currently, in {{BitmapCounter}} we deserialize the bitmap to get the
> peekLength, we know which is expensive in terms of CPU time from JMC hot code.
> Actually, we could Serialize {{BitmapCounter}} with peekLength to avoid
> deserializing the bitmap when we get peekLength.
> Of course, we need to keep forward compatibility.
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