Lisheng Sun created HDFS-15409:
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Summary: Optimization Strategy for choosing ShortCircuitCache
Key: HDFS-15409
URL: https://issues.apache.org/jira/browse/HDFS-15409
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Lisheng Sun
When clientShortCircuitNum is 10, the probability of falling into each
ShortCircuitCache is the same, while the probability of other
clientShortCircuitNum is different.
For example if clientShortCircuitNum is 3, when a lot of blockids of SSR are
***1, ***4, ***7， this situation will fall into a ShortCircuitCache.
Since the real environment blockid is completely unpredictable, i think it is
need to design a strategy which is allocated to a specific ShortCircuitCache.
This should improve performance even more.
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