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https://issues.apache.org/jira/browse/CASSANDRA-15234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17061075#comment-17061075
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Ekaterina Dimitrova commented on CASSANDRA-15234:
-------------------------------------------------
Thanks [~benedict] for the confirmation on what you had in mind here. Makes
sense to me.
So just to confirm I am not doing something stupid.
For the backward compatibility we are simply using either the old or new
parameter from yaml in Config/SysProperties, depending on which one the user
used there? In the Database Descriptor I will add a warning which will also
warn the developers that they can already use the new one. How about that? Or
something else is meant in this case for backward compatibility?
I already created a class of accessors for the SystemProperties. Just want to
think also maybe about some of the environment variables too.
The config is reshuffled and many renames are already in place so I guess after
this confirmation and a couple of other things to complete, I will submit soon
the commits for review. Thanks
> 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, 4.0-beta
>
>
> 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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