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#412 Channel-based DB writer for parallel indexing #415
Description
Problem
With #409 (parallel parsing), multiple threads produce DB writes but SQLite only supports one writer.
Solution
Producer-consumer pattern: N parser threads via channel, 1 writer thread batch-writes to SQLite.
Expected Impact
Eliminates DB contention.
Activity
ajianaz commentedon Jul 28, 2026
Superseded. usearch insert is the bottleneck (84% of time), not DB writes. Channel-based writer adds complexity without meaningful speedup.