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From "Eric Yang (JIRA)" <>
Subject [jira] Commented: (CHUKWA-527) stronger configuration checking
Date Tue, 12 Oct 2010 00:05:32 GMT


Eric Yang commented on CHUKWA-527:

Looks good so far.  Need the following:

- confspellchecker-LICENSE.txt in lib.
- A wiki page to add new config to .dict file.

+1 when the above requirements are met.

> stronger configuration checking
> -------------------------------
>                 Key: CHUKWA-527
>                 URL:
>             Project: Chukwa
>          Issue Type: New Feature
>          Components: data collection, documentation
>            Reporter: Ari Rabkin
>            Assignee: Ari Rabkin
>         Attachments: CHUKWA-527.patch, confspellcheck.jar, options.dict
> Chukwa has many configuration options, and it's easy to mis-set them.  I'd like to contribute
a module for doing stronger static checks of configuration at startup. 
> In particular, this will flag and log cases where:
>   An option is set in the Chukwa config files that is never read by Chukwa.
>   A non-numeric value is used for a numeric parameter, non-boolean value for boolean
parameter, etc.
> The table of options and types is automatically generated and then human-checked. It
should be easy to keep it up to date.
> The changes to the Chukwa codebase should be quite modest: one new Jar, and a handful
of lines to invoke that Jar on startup.
> Does this sound like a thing people would like to see?

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