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https://issues.apache.org/jira/browse/CASSANDRA-16360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17337324#comment-17337324
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Alexey Zotov edited comment on CASSANDRA-16360 at 4/30/21, 5:03 PM:
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[~samt] That makes sense. I'll put this ticket on hold.
However, in order to get the existing microbenchmark changes merged, I've
raised CASSANDRA-16645. Please, take a look once you have a chance.
was (Author: azotcsit):
[~samt] That makes sense. I'll put this ticket on hold.
However, in order to get the existing microbenchmark changes, I've raised
CASSANDRA-16645. Please, take a look once you have a chance.
> CRC32 is inefficient on x86
> ---------------------------
>
> Key: CASSANDRA-16360
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16360
> Project: Cassandra
> Issue Type: Improvement
> Components: Messaging/Client
> Reporter: Avi Kivity
> Priority: Normal
> Labels: protocolv6
> Fix For: 4.x
>
>
> The client/server protocol specifies CRC24 and CRC32 as the checksum
> algorithm (cql_protocol_V5_framing.asc). Those however are expensive to
> compute; this affects both the client and the server.
>
> A better checksum algorithm is CRC32C, which has hardware support on x86 (as
> well as other modern architectures).
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