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https://issues.apache.org/jira/browse/CASSANDRA-18661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17823687#comment-17823687
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Brad Schoening commented on CASSANDRA-18661:
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[~claude] [~smiklosovic] it's great to hear your update on the success you've
had with this. Stefan raises an important point about how to make this
unifying change. There is so much legacy baggage in cassandra-stress I think
the change is very much warranted, but we may need to keep a
cassandra-stress-old, create a cassandra-stress-new or something and should be
discussed on the ML.
> Update cassandra-stress to use Apache Commons CLI
> -------------------------------------------------
>
> Key: CASSANDRA-18661
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18661
> Project: Cassandra
> Issue Type: Improvement
> Components: Tool/stress
> Reporter: Brad Schoening
> Assignee: Claude Warren
> Priority: Normal
> Labels: lhf
>
> The Apache Commons CLI library provides an API for parsing command line
> options with the package org.apache.commons.cli and this is already used by a
> dozen of existing Cassandra utilities including:
> {quote}SSTableMetadataViewer, StandaloneScrubber, StandaloneSplitter,
> SSTableExport, BulkLoader, and others.
> {quote}
> However, cassandra-stress is an outlier which uses its own custom classes to
> parse command line options with classes such as OptionsSimple. In addition,
> the options syntax for username, password, and others are not aligned with
> the format used by CQLSH.
> Currently, there are > 5K lines of code in 'settings' which appears to just
> process command line args.
> This suggestion is to:
>
> a) Upgrade cassandra-stress to use Apache Commons CLI (no new dependencies
> are required as this library is already used by the project)
>
> b) Align the cassandra-stress CLI options with those in CQLSH,
>
> {quote}For example, using the new syntax like CQLSH:
> {quote}
>
> cassandra-stress -username foo -password bar
> {quote}and replacing the old syntax:
> {quote}
> cassandra-stress -mode username=foo and password=bar
>
> This will simplify and unify the code base, eliminate code and reduce the
> confusion between similar named classes such as
> org.apache.cassandra.stress.settings.\{Option, OptionsMulti, OptionsSimple}
> and org.apache.commons.cli.{Option, OptionGroup, Options)
>
> Note: documentation will need to be updated as well
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