Joe McDonnell created IMPALA-12817:
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Summary: Introduce basic intermediate result caching to speed
similar queries
Key: IMPALA-12817
URL: https://issues.apache.org/jira/browse/IMPALA-12817
Project: IMPALA
Issue Type: Epic
Reporter: Joe McDonnell
This tracks the first phase of intermediate result caching.
The goals of the initial phase are to introduce a basic framework for caching
tuples at various points in the plan. The first location that needs to work is
immediately above an HdfsScanNode. Caching will use a local SSD to store the
cache.
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