MySQL client out as CSV

If you need to convert MySQL Client output as CSV here is a recipe
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How to optimize aggregate queries in Clickhouse?

We will talk about a way which allow us to make keep aggregated data.
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Site Reliability Engineering: Measuring and Managing Reliability (part 2)

This is 2-nd part of a review for “Site Reliability Engineering: Measuring and Managing Reliability” course on Coursera by Google
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SSTable and LSM-trees. How to store Key-Value storage on the disk?

We’re talking about LSM-tree and SSTable as a storage. Why do we need it and how to implement it?
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Site Reliability Engineering: Measuring and Managing Reliability (part 1)

This is a review for “Site Reliability Engineering: Measuring and Managing Reliability” course on Coursera by Google
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How To Trace Your System Calls On Mac OS

dtruss is analog of strace in linux. It allows you to trace system calls from a running process or run a process with tracing. Also we are take a look on an alternative way.
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Python Cheat Sheet

Cheat sheet for quick solving your cases on HackerRank
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