~hackernews | Bookmarks (12)
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Why SQLite Performance Tuning Made Bencher 1200x Faster
Last week, I got feedback from a user that their Bencher Perf Page was taking a...
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MySQL-Manage Memory Usage Efficiently
A few months back, we faced a significant challenge with our production database running MySQL 5.7....
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How Read-Intensive is The Kernel's Use of RCU?
RCU is a specialized synchronization mechanism, and is typically used where there are far more readers...
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Linux Crisis Tools
When you have an outage caused by a performance issue, you don't want to lose precious...
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Taurus: Writing JMeter Load Tests as Code
JMeter is one of the oldest and widely used tool for load testing applications. However it’s...
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Fast Virtual Functions: Hacking the VTable for Fun and Profit
Virtual functions have clear intrinsic value; using them can make architectures significantly more flexible and solve...
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How Rustls (Rust TLS) fights to stay faster than OpenSSL
Rustls is a modern Transport Layer Security (TLS) library written in Rust, with the aim of...
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How to speed up LZ4 decompression in ClickHouse? (2019)
When you run queries in ClickHouse, you might notice that the profiler often shows the LZ_decompress_fast...