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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9867) Save on array copies with a subclass of LiteralByteString
Date Thu, 31 Oct 2013 03:59:25 GMT
stack created HBASE-9867:

             Summary: Save on array copies with a subclass of LiteralByteString
                 Key: HBASE-9867
                 URL: https://issues.apache.org/jira/browse/HBASE-9867
             Project: HBase
          Issue Type: Improvement
          Components: Protobufs
    Affects Versions: 0.96.0
            Reporter: stack
            Assignee: stack
             Fix For: 0.98.0, 0.96.1

Any time we add a byte array to a protobuf, it'll copy the byte array.

I was playing with the client and noticed how a bunch of CPU and copying was being done just
to copy basic arrays doing pb construction.  I started to look at ByteString and then remembered
a class Benoit sent me a while back that I did not understand from his new AsyncHBase.  After
looking in ByteString it made now sense.  So, rather than copy byte arrays everywhere, do
a version of a ByteString that instead wraps the array.

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