https://sudonull.com/mergetree-in-clickhouse-granules-parts-and-sparse-index
MergeTree structure using a bids table example: part, granule, mark, merge of parts, ORDER BY vs PRIMARY KEY, partitioning, EXPLAIN indexes, partition management.
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https://sudonull.com/rugpt3xl-with-8k-context-sparse-attention
Expansion of ruGPT3XL to 8k tokens via sparse attention and fine-tuning. PPL 13.00 on gazeta, Triton/SDPA optimization ×1.85. Instructions for developers.
https://sudonull.com/architecture-for-9-trillion-records-on-a-server
Learn how to store trillions of Milky Way stars in sparse files with Z-encoding. Scalable system without indexes for middle/senior dev. Implement it yourself.
https://sudonull.com/speeding-up-regex-search-with-trigrams-in-cursor
Local indexing of trigrams and sparse n-grams speeds up code search for AI agents. Reducing time from 15s to milliseconds in large repositories. More details for developers.
https://sudonull.com/order-by-and-primary-key-in-clickhouse-index-selection
How to correctly choose ORDER BY in ClickHouse: sparse index, column cardinality, equality vs range, verification via EXPLAIN. Rules and examples for gambling.
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