Commit Graph
6 Commits
Author SHA1 Message Date
clawbot 08f060045b Cap glibc malloc arenas to keep non-Go RSS bounded (closes #23)
check / check (push) Successful in 3m44s
After the earlier memory work, SQLite's live heap is bounded but process
RSS still climbed about 70 MiB/min, nearly all anonymous and outside the
Go runtime and outside SQLite's own accounting, without any SQLITE_NOMEM.
The cause is glibc: the SQLite C library allocates and frees millions of
small page-cache chunks from many threads, and glibc keeps each arena's
freed chunks resident. With arenas uncapped it creates up to eight per
core, so on a large host RSS grows with the core count.

Set MALLOC_ARENA_MAX=2 in the image to bound the retained memory. Writes
are already serialized, so the two-arena cap costs no throughput. Update
the README Memory section.

Model: opus-4-8
2026-09-21 19:29:31 +02:00
clawbot 658aadbb81 Set GOMEMLIMIT in the image and document the memory budget (closes #13)
check / check (push) Failing after 1s
Add ENV GOMEMLIMIT=1536MiB to the runtime stage so the Go runtime keeps a
1.5 GiB soft heap limit. runuser preserves it the way it already does
XDG_DATA_HOME, so the routewatch process inherits it.

Add a Memory section to the README describing the budget (Go 1.5 GiB soft,
SQLite 640 MiB pool cache and 1.5 GiB hard heap, ~0.2 GiB other), the
required 5 GiB container limit, how to override GOMEMLIMIT, what happens at
each limit, and the DEBUG=routewatch System stats line. Every sentence
matches the behaviour already merged to next.

Model: opus-4-8
2026-09-21 17:29:29 +02:00
clawbot b0cd884019 Skip live network feed test under -short for deterministic make check (closes #2)
TestRouteWatchLiveFeed streams the live RIPE RIS feed for a few seconds, so
the default test run depended on the network and tripped the race detector.
It now skips under testing.Short(), and script/test passes -short in both
go test lines, so make check runs offline and gives the same result every
time. The README says how to run the live test on demand. No non-test code
changed.

The race itself is not fixed: the test reads the peeringHandler field of
RouteWatch while Run is still setting it. Nothing outside the test reads
that field concurrently.

Model: opus-4-8 (implementation, review); fable-5-1 (summary)
2026-09-21 09:05:33 +02:00
sneak 583c16a65c Adopt scripts-to-rule-them-all: script/ entrypoints, Makefile shims 2026-07-07 01:53:25 +02:00
sneak 27909e021f ci 2025-12-31 06:14:44 +01:00
sneak 95bbb655ab Add godoc documentation and README with code structure
Add comprehensive godoc comments to all exported types, functions,
and constants throughout the codebase. Create README.md documenting
the project architecture, execution flow, database schema, and
component relationships.
2025-12-27 12:30:46 +07:00