[jira] [Created] (CASSANDRA-16645) Add a microbenchmark for checksum calculation

["Alexey Zotov (Jira)" <ji...@apache.org>]

Alexey Zotov created CASSANDRA-16645:
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             Summary: Add a microbenchmark for checksum calculation
                 Key: CASSANDRA-16645
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-16645
             Project: Cassandra
          Issue Type: Improvement
          Components: Test/benchmark
            Reporter: Alexey Zotov
            Assignee: Alexey Zotov


h2. Overview
As a part CASSANDRA-16360 there was a need to change the checksum algo from _CRC32_ to _CRC32C_ for client/internode messaging. Before making that change it would be nice to have a way to measure performance for checksum calculation (similarly to {{HashingBench}} for hash calculation).

In fact, the microbenchmark has been already created as a part of that ticket. However, after running it we saw a performance degradation for Java 8 and decided to wait until Java 8 support is abandoned. The purpose of this ticket is to merge the benchmark changes separately.

h2. What needs to be done
* Create a microbenchmark



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