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https://issues.apache.org/jira/browse/KYLIN-1718?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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liyang resolved KYLIN-1718.
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Resolution: Fixed
> Grow ByteBuffer Dynamically in Cube Building and Query
> ------------------------------------------------------
>
> Key: KYLIN-1718
> URL: https://issues.apache.org/jira/browse/KYLIN-1718
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine, Query Engine
> Affects Versions: v1.5.1, v1.5.2
> Reporter: Yerui Sun
> Assignee: liyang
> Fix For: v1.5.3
>
>
> In Cube Building Mapper/Reducer and CubeVisitService, we use an allocated
> ByteBuffer to store encoded metrics value, with a constant size
> RowConstants.ROWVALUE_BUFFER_SIZE, which is 1MB by default.
> If the metrics value is larger than 1MB, such as high cardinality bitmap,
> BufferOverflowException will be threw. We need grow the ByteBuffer if the
> exception occured.
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