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https://issues.apache.org/jira/browse/CASSANDRA-20317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17926038#comment-17926038
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Abe Ratnofsky commented on CASSANDRA-20317:
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Can you be more specific with what you're aiming to accomplish? My
understanding is that the IPv4 TOS flags are essentially deprecated, and those
bits are now used for Differentiated Services and Explicit Congestion
Notification: [https://en.wikipedia.org/wiki/Type_of_service]
If you're looking to set priority, throughput limits, etc. for C* flows, you
could configure Linux tc based on cgroup / subnet / destination IPs / etc
instead: [https://man7.org/linux/man-pages/man8/tc.8.html]
> Set traffic classes on network traffic
> --------------------------------------
>
> Key: CASSANDRA-20317
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20317
> Project: Apache Cassandra
> Issue Type: New Feature
> Reporter: Tommy Stendahl
> Assignee: Tommy Stendahl
> Priority: Normal
>
> I would like to add the possibility to set traffic classes on network traffic
> from Cassandra. I was thinking of one value for traffic from the native port
> and different values for inbound and outbound internode traffic. To configure
> this in the yaml file I like to add something like this:
> {quote} # Set traffic classes in IP packages
> #
> # Traffic classes can be used to separate traffic in a network into
> individual flows
> # and queue, police and shape them differently.
> # traffic_classes:
> # enabled: false
> # native_tc: 0
> # internode_outbound_tc: 0
> # internode_inbound_tc: 0{quote}
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