[jira] [Updated] (CASSANDRA-15234) Standardise config and JVM parameters

["Josh McKenzie (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-15234?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Josh McKenzie updated CASSANDRA-15234:
--------------------------------------
    Fix Version/s:     (was: 4.0-alpha)
                   4.0-beta

> Standardise config and JVM parameters
> -------------------------------------
>
>                 Key: CASSANDRA-15234
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15234
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Config
>            Reporter: Benedict Elliott Smith
>            Assignee: Ekaterina Dimitrova
>            Priority: Normal
>             Fix For: 4.0-beta
>
>         Attachments: CASSANDRA-15234-3-DTests-JAVA8.txt
>
>
> We have a bunch of inconsistent names and config patterns in the codebase, both from the yams and JVM properties.  It would be nice to standardise the naming (such as otc_ vs internode_) as well as the provision of values with units - while maintaining perpetual backwards compatibility with the old parameter names, of course.
> For temporal units, I would propose parsing strings with suffixes of:
> {{code}}
> u|micros(econds?)?
> ms|millis(econds?)?
> s(econds?)?
> m(inutes?)?
> h(ours?)?
> d(ays?)?
> mo(nths?)?
> {{code}}
> For rate units, I would propose parsing any of the standard {{B/s, KiB/s, MiB/s, GiB/s, TiB/s}}.
> Perhaps for avoiding ambiguity we could not accept bauds {{bs, Mbps}} or powers of 1000 such as {{KB/s}}, given these are regularly used for either their old or new definition e.g. {{KiB/s}}, or we could support them and simply log the value in bytes/s.



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