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From vkulichenko <valentin.kuliche...@gmail.com>
Subject Re: HDFS Caching
Date Fri, 29 Apr 2016 23:29:02 GMT

As far as I know, IGFS can redirect to secondary file system not only to
read from it, but also for integrity purposes (e.g., to check if the file in
secondary FS was updated directly, without updating IGFS). In any case, the
data itself will be read from memory if it is there. I would try to create
several larger files and see if adding IGFS improves performance.


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