Some potential performance improvements to Bytes/KeyValue
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Key: HBASE-3928
URL: https://issues.apache.org/jira/browse/HBASE-3928
Project: HBase
Issue Type: Improvement
Affects Versions: 0.92.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Minor
Fix For: 0.92.0
We use Bytes.compareTo() a lot where we could be using a more efficient
equals() method. The trick that makes equals() faster than compareTo is that we
can short-circuit two common cases:
Case 1) the length is not the same - only need to do one comparison
Case 2) the two arrays have the same length and a common prefix: compare the
last byte first, since it's the one most likely to differ (given we are usually
comparing adjacent sorted data).
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