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https://issues.apache.org/jira/browse/MAHOUT-294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889199#action_12889199
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Drew Farris commented on MAHOUT-294:
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bq, Testability of the command line option processing is complicated by the
fact that run() bundles this in with running the job so the command line stuff
cannot be tested in isolation. This makes testing all of the argument
corner-cases tedious and unnecessarily time-consuming. I'm going to look at
factoring the options parsing out of run.
This will most definitely be a good thing to do. I've always wondered if more
of the option processing can be pushed up to AbstractJob. Once the arguments
hash is obtained it still seems that there is a lot of work to be done prior to
launching each job
> Uniform API behavior for Jobs
> -----------------------------
>
> Key: MAHOUT-294
> URL: https://issues.apache.org/jira/browse/MAHOUT-294
> Project: Mahout
> Issue Type: Improvement
> Components: Classification, Clustering, Collaborative Filtering,
> Frequent Itemset/Association Rule Mining, Genetic Algorithms, Math, Utils
> Affects Versions: 0.4
> Reporter: Robin Anil
> Fix For: 0.4
>
> Attachments: MAHOUT-294.patch, MAHOUT-294.patch
>
>
> * Move AbstractJob to common and convert all the Driver classes to extend
> that.
> One suggestion is:
> AlgorithmParams params = ParamsBuilder.build().withParam("-i",
> input).withParam("-o", output)....
> MyAlgorithmn.runJob(params) throws ParameterMissingException;
> * Give uniform command-line parameters for various algorithms.
> e.g Currently distance measure is -d, -dm, -m at different places in
> clustering
> * Add a temp directory as a parameter
> http://www.lucidimagination.com/search/document/28a979aa62c02a1/who_owns_mahout_bucket_on_s3#ddb5855e8bdace45
> This issue will keep track of all discussion/patches related to the design
> and cleanup of Mahout API
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