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From John Sanda <>
Subject reads and compression
Date Fri, 29 Nov 2013 01:09:42 GMT
This article[1] cites gains in read performance can be achieved when
compression is enabled. The more I thought about it, even after reading the
DataStax docs about reads[2], I realized I do not understand how
compression improves read performance. Can someone provide some details on

Is the compression offsets map still used if compression is disabled for a
table? If so what is its rate of growth like as compared to the growth of
the map when compression is enabled?

[1] whats-new-in-cassandra-1-0-compression<>
[2] about reads<>


- John

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