MapReduce Jobs For Distributed Hadoop Clusters in Python

In this video, we learn how to write MapReduce jobs for Hadoop using Python and mrjob.
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[@paulthomas1052]

Thanks - great tutorial as usual 😃

[@The-Martian73]

If it possible to make an implementation of Adam optimizer from scratch... that will be nice and appreciated

[@ali-om4uv]

While you explain the principle well, the Code is not really undersandable for a beginner as the magic is partly abstracted away in the base class. How do the methods recieve their parameters? You are just calling the .run method?

[@sabungee4442]

Do a tutorial on neovim write lua scripts instead of vimscript

[@basheerahmedkp4059]

it gives KeyError with 'reviewText'
review_text = review['reviewText']
Any idea?

[@valdemarnovgorodskiy188]

it means that in your json the key "reviewText" is out

[@meisterpianist]

If anyone wonders where he got the data from. It's not directly from the page he showed, but from the 2014 dataset. Watch out for the "small" subset and take the core-5, which leads to reviews_Musical_Instruments_5.json.gz - HTH

[@voiderashish272]

which editor he use

[@Eyalgazit]

PyCharm