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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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MonkeyType
A Python library that generates static type annotations by collecting runtime types (by Instagram)
[3]: https://github.com/tensorflow/tensorflow/graphs/contributors
it's open source! check out https://github.com/google/pytype and https://github.com/google/pytype/blob/main/docs/developers/t... for more on the multi-file runner
sure! it used a collection of tools, the main ones were
* copybara [https://github.com/google/copybara] to mirror between github and our internal repo and transform the source tree layout to our internal conventions
* mercurial patch queues [https://hgbook.red-bean.com/read/managing-change-with-mercur...] to apply internal changes
there are internal tools to automate the copybara configuration for python packages specifically, and to map between mercurial and google's version control system, but that's the main idea, and a specific review process for adding new packages.
the process is actually documented here though not all the referenced tools are available (or even applicable) externally: https://opensource.google/documentation/reference/thirdparty...
i can't, unfortunately, it was youtube internal code. but by the same token a lot of the performance stuff was specific optimisations for that code and would not really generalise.
one of the current "extremely large python codebase" projects is instagram, and they do have some public repos, notably monkeytype (https://github.com/Instagram/MonkeyType) which youtube did have its own analogue of, and cinder (https://engineering.fb.com/2022/05/02/open-source/cinder-jit...). in general facebook's engineering blog is a great place to read about this sort of thing.