Benedict created CASSANDRA-8896:
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             Summary: Investigate upstream changes to compressors to fit 
contents exactly to one page
                 Key: CASSANDRA-8896
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8896
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Benedict


For optimal disk performance, it makes most sense to choose our compression 
boundaries based on compressed size, not uncompressed. If our compressors could 
take a target length, and return the number of source bytes they managed to fit 
into that space, this would permit us to lower the number of disk accesses per 
read. [~blambov]: you've dived into LZ4. How tricky do you think this might be?



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