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| From | Michael Selik <michael.selik@gmail.com> |
| Newsgroups | comp.lang.python |
| Subject | Re: which library has map reduce and how to use it for this case |
| Date | Thu, 09 Jun 2016 22:44:47 +0000 |
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I like using Yelp's mrjob module (https://github.com/Yelp/mrjob) to run Python on Hadoop. On Thu, Jun 9, 2016 at 2:56 AM Ho Yeung Lee <davidbenny2000@gmail.com> wrote: > [... a bunch of code ...] If you want to describe a map-reduce problem, start with the data. What does a record of your input data look like? Then think about your mapper. What key-value pairs will you extract from each line of data? Then think about your reducer. For a single key and its associated values, what will you calculate?
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which library has map reduce and how to use it for this case Ho Yeung Lee <davidbenny2000@gmail.com> - 2016-06-08 23:52 -0700
Re: which library has map reduce and how to use it for this case Michael Selik <michael.selik@gmail.com> - 2016-06-09 22:44 +0000
Re: which library has map reduce and how to use it for this case Ho Yeung Lee <davidbenny2000@gmail.com> - 2016-06-09 18:07 -0700
Re: which library has map reduce and how to use it for this case Michael Selik <michael.selik@gmail.com> - 2016-06-10 14:03 +0000
Re: which library has map reduce and how to use it for this case meInvent bbird <jobmattcon@gmail.com> - 2016-06-10 23:19 -0700
Re: which library has map reduce and how to use it for this case Michael Selik <michael.selik@gmail.com> - 2016-06-11 16:44 +0000
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