Vadim Markovtsev – Medium

Vadim Markovtsev

Vadim Markovtsev
in
Better Programming

I Forked “Asyncpg” — And It Parses Database Records to Numpy 20x Faster

Presenting the fork of asyncpg — asynchronous PostgreSQL client for Python — based on NumPy structured arrays

8 min readJun 2, 2022

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I Forked “Asyncpg” — And It Parses Database Records to Numpy 20x Faster

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Vadim Markovtsev
in
Towards Data Science

My Continuous Integration takes too much time. How do I fix it?

Approaches to reducing the CI run times. Measure, optimize, leverage the hidden resources, and more.

8 min readMar 23, 2022

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My Continuous Integration takes too much time. How do I fix it?

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Vadim Markovtsev
in
Towards Data Science

How we optimized PostgreSQL queries 100x

Some of the tricks we used to speed up SELECT-s in PostgreSQL: LEFT JOIN with redundant conditions, VALUES, extended statistics, primary…

11 min readMar 8, 2022

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How we optimized PostgreSQL queries 100x

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Vadim Markovtsev
in
Better Programming

Continuous Performance Improvement of HTTP API

We developed an analytics HTTP API in Python. This is how we discovered what to improve to serve requests faster

7 min readFeb 23, 2022

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Continuous Performance Improvement of HTTP API

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Vadim Markovtsev
in
Towards Data Science

How we optimized Python API server code 100x

Some of the tricks we used to speed up calls to our analytics API written in Python: played with asyncio, messed with SQLAlchemy, hacked…

12 min readFeb 9, 2022

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How we optimized Python API server code 100x

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Vadim Markovtsev

Should you enlarge your PRs?

The empirical laws of how long it takes to review and release a pull request depending on its size. We inferred them from 100,000 pull…

8 min readJun 10, 2021

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Should you enlarge your PRs?

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Vadim Markovtsev
in
Towards Data Science

Deploying Kubeflow to a bare-metal GPU cluster from scratch

My experience of deploying Google’s Kubernetes ML toolkit on physical servers with multiple GPUs: tuning the host OS, installing k8s…

14 min readMar 18, 2021

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Deploying Kubeflow to a bare-metal GPU cluster from scratch

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Vadim Markovtsev
in
Towards Data Science

Fuzzy matching people names

I’ve recently had to solve an interesting problem: given two unordered lists with real people names, match identities in between.

10 min readFeb 25, 2021

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Fuzzy matching people names

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Vadim Markovtsev
in
Towards Data Science

Hacking Google Coral Edge TPU: motion blur and Lanczos resize

Edge TPU is a powerful device that is capable of general-purpose image filtering thanks to efficient 2D convolutions and TensorFlow.

11 min readNov 28, 2019

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Hacking Google Coral Edge TPU: motion blur and Lanczos resize

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Vadim Markovtsev

Vadim Markovtsev

Machine learning and software engineer. Development teams manager. Public speaker. Google Developer Expert in Machine Learning (2018–2021).

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