Improve read performance by using byte array slabs
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Key: CASSANDRA-1651
URL: https://issues.apache.org/jira/browse/CASSANDRA-1651
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: T Jake Luciani
Priority: Minor
Now that the code has switched to byte buffers internally, it should be
possible to improve read performance by reducing the number of byte array
allocations.
This patch accomplishes this by and re-using sections of a larger byte array
slab.
I've benchmarked it locally and seen a slight improvement on reads, a larger
scale benchmark should be performed.
Also the size of a slab can be configured in cassandra.yaml
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