pustota2009 ad9a6a0ee3 HDFS-15202 Boost short circuit cache (rebase PR-1884) (#2016)
Added parameter dfs.client.short.circuit.num improving HDFS-client's massive reading performance by create few instances ShortCircuit caches instead of one. It helps avoid locks and lets CPU do job.

(cherry picked from commit 86e6aa8eec538e142044e2b6415ec1caff5e9cbd)
2020-05-18 07:05:03 -07:00
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