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Model calculation is not able to read features from stdin #200

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vpd opened this issue Dec 20, 2017 · 4 comments
Open

Model calculation is not able to read features from stdin #200

vpd opened this issue Dec 20, 2017 · 4 comments
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good first issue help wanted

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@vpd
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vpd commented Dec 20, 2017

There is currently a disappointing exception when trying to read features from stdin:
(TCatboostException) catboost/libs/data/load_data.cpp:181: pool file is not found -

Streaming calculation is quite a valuable feature when running a calculation on a large stream of data generated on fly because otherwise there is an inevitable cost of disk i/o operations and process start/termination.
@annaveronika
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We don't support reading pool from stdin, we are currently fixing the documentation.

@vpd
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vpd commented Dec 20, 2017

Can one hope that it would be supported in future?

@annaveronika
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Ok, we'll do it.

@annaveronika
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Actually it's a good idea for contribution, so I'm adding a help wanted and good first issue labels.

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