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

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

     [ https://issues.apache.org/jira/browse/CASSANDRA-16645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Zotov updated CASSANDRA-16645:
-------------------------------------
    Priority: Low  (was: Normal)

> 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
>            Priority: Low
>
> 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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