SpacetimeDB

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joshua-spacetime 940667dd37 Add commitlog knobs to server config (#5074 )

# Description of Changes

Adds the commitlog knobs `max_segment_size`, `write_buffer_size`, and
`preallocate_segments` to the server's `config.toml`. There are other
seemingly more advanced knobs that I did not add at this time.

This patch also increases the `DEFAULT_WRITE_BUFFER_SIZE` from `8KiB` to
`128KiB` to optimize high throughput workloads like the keynote-2
benchmark.

# API and ABI breaking changes

None

# Expected complexity level and risk

1

# Testing

Manual

2026-05-20 20:47:14 +00:00

benches

commitlog: Basic write throughput benchmarks (#3838 )

2026-05-06 14:12:36 +00:00

proptest-regressions

commitlog: Introduce epoch (#1851 )

2024-11-05 10:10:30 +00:00

src

Add commitlog knobs to server config (#5074 )

2026-05-20 20:47:14 +00:00

tests

commitlog: Handle empty tail segments upon resumption (#4863 )