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The previous wording was ambiguous as to whether these were blocks requested from the cache (hits + misses) or read from underlying storage (misses only). They are in fact recording only misses: Accumulator#{readBlock,readBlockBytes,readBlockMicros} are only incremented from BlockBasedFile#readOneBlock, which is only called from the cache miss path in DfsBlockCache#getOrLoad (line 391). Change-Id: I0135cd1e76d09c1e28e0f1833b34c312511c66cestable-4.11
Dave Borowitz
7 years ago
committed by
David Pursehouse
1 changed files with 13 additions and 5 deletions
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