Abhilash L L created KYLIN-1843:
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Summary: LRU cache for in memory dimensions
Key: KYLIN-1843
URL: https://issues.apache.org/jira/browse/KYLIN-1843
Project: Kylin
Issue Type: Improvement
Components: Query Engine
Affects Versions: v1.5.2, v1.2
Reporter: Abhilash L L
Assignee: liyang
The dimensions are kept in memory to fill up the result set.
Now as and when more cubes are created, all the dimensions keep accumulating in
the memory
This means tomcat memory requirements always keep increasing
It would help if less frequently used dimensions are swapped out to keep memory
in check.
We can have a Cache Manager which gets to decide which dimensions are kept in
memory and brings in as and when its required. The size of the cache should be
tuneable.
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