Details
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Improvement
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Status: Closed
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Major
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Resolution: Fixed
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Description
LRFU eviction policy can be a major source of contention under high load.
This can be see on the following profiles.
To fix this the idea is to use a batching wrapper to amortize the locking contention.
The trick i a common way to amortize locking as explained here http://www.ece.eng.wayne.edu/~sjiang/pubs/papers/ding-09-BP-Wrapper.pdf