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Jonathan Ellis commented on CASSANDRA-5422:
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bq. I've fixed the license headers
I didn't see any changes to the github branches above; am I looking in the
wrong place?
bq. although I must admit that I'm unsure of what to do about the copyright
notice
The ASF requires copyright assignment to it. So having a {{Copyright (c)
2012-2013 Spotify AB}} in there doesn't work for us. If Spotify has a policy
that they own everything you write unless specified otherwise, we should get
them to sign a Corporate CLA: http://www.apache.org/licenses/cla-corporate.txt
> Binary protocol sanity check
> ----------------------------
>
> Key: CASSANDRA-5422
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5422
> Project: Cassandra
> Issue Type: Bug
> Components: API
> Reporter: Jonathan Ellis
> Assignee: Daniel Norberg
> Attachments: 5422-test.txt, ExecuteMessage Profiling - Call Tree.png,
> ExecuteMessage Profiling - Hot Spots.png
>
>
> With MutationStatement.execute turned into a no-op, I only get about 33k
> insert_prepared ops/s on my laptop. That is: this is an upper bound for our
> performance if Cassandra were infinitely fast, limited by netty handling the
> protocol + connections.
> This is up from about 13k/s with MS.execute running normally.
> ~40% overhead from netty seems awfully high to me, especially for
> insert_prepared where the return value is tiny. (I also used 4-byte column
> values to minimize that part as well.)
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