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From Ravikumar Govindarajan <>
Subject CacheIndexInput cacheSize
Date Thu, 20 Oct 2016 07:53:04 GMT
We have set a fairly large cacheSize of 64KB in block-cache for avoiding
too many keys, gc pressure etc...

But CacheIndexInput tries to read 64KB of data during a cache-miss & fills
up the CacheValue. When doing short-circuit-reads, this could turn out to
be excessive no? For a comparison, lucene uses only 1KB buffers for the

Do you think this will likely affect performance of searches albeit in a
minor way?


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