Yerui Sun created KYLIN-1718:
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Summary: 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: Yerui Sun
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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