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Engineering log
- All articles The full engineering-log index
- Why keyword search hits its limits What BM25 does well, what it cannot do, and why vector similarity search complements the lexical index rather than replacing it.
- Choosing your embedding dimension Memory cost per vector, how dimension affects recall, quantization and truncation: how to decide before indexing a large corpus.
- Reducing the p99 latency of a vector index Why the tail degrades before the median: efSearch, metadata filtering, reindexing, and how memory pressure shows up in high percentiles.