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Graham McIntire 23e4e3fef2
perf(weather): token-bucket IEM limiter + parallel HRRR surface/pressure 
Two independent wins the latest prod telemetry pointed at:

1. Iowa Environmental Mesonet rate limiter. IEM throttles per source
   IP across all in-flight requests, so dropping the `:weather` Oban
   queue to 1/pod wasn't enough — workers were still issuing back-to-
   back requests inside each job and drawing a steady stream of HTTP
   429s (1,396 retryable on the queue). A GenServer-based token bucket
   serialises acquire() with a 700ms min gap per pod; three pods give
   ~4 req/sec cluster-wide, well under the observed 429 threshold.
   Wrapped around every IemClient fetch.

2. Parallel HRRR surface + pressure grid fetch. The two products live
   in separate wrfsfcf / wrfprsf GRIB files, so their fetch → wgrib2
   → decode pipelines are independent; running them sequentially was
   adding ~30s per forecast hour for no reason. Task.async the pair,
   merge at the end. Halves per-fh wall time and should unblock some
   of the missing-hour cases we saw on the 14:00Z chain.
2026-04-19 12:57:30 -05:00
.forgejo/workflows Revert "ci: build against a dind sidecar instead of the host socket" 2026-04-19 12:29:24 -05:00
.github Add contact edit approval system with admin review queue 2026-04-11 16:15:49 -05:00
assets fix(map): anchor timeline offsets to the Now slot, not wall-clock 2026-04-19 12:32:41 -05:00
bin Fix livebook path resolution in bin/notebook 2026-04-07 11:15:49 -05:00
config perf(weather): token-bucket IEM limiter + parallel HRRR surface/pressure 2026-04-19 12:57:30 -05:00
docs docs: plan for GFS-driven extended-horizon forecasts (18 h → 240 h) 2026-04-18 12:35:08 -05:00
k8s chore: update prop image to git.mcintire.me/graham/prop:main-1776620433-6f63f3b [skip ci] 2026-04-19 17:43:07 +00:00
lib perf(weather): token-bucket IEM limiter + parallel HRRR surface/pressure 2026-04-19 12:57:30 -05:00
lib_ml refactor: normalize pos1/pos2 JSONB key to 'lon' everywhere 2026-04-17 09:10:32 -05:00
notebooks refactor: normalize pos1/pos2 JSONB key to 'lon' everywhere 2026-04-17 09:10:32 -05:00
priv feat(contacts): private flag with scope-aware visibility 2026-04-18 17:49:01 -05:00
rel Add Erlang clustering via libcluster and expose LiveDashboard 2026-04-06 09:46:48 -05:00
scripts feat(propagation): per-band weight calibration from full-corpus correlation 2026-04-18 10:19:26 -05:00
test perf(weather): token-bucket IEM limiter + parallel HRRR surface/pressure 2026-04-19 12:57:30 -05:00
vendor Vendor oban_pro 1.6.13 2026-04-09 14:14:49 -05:00
.credo.exs credo 2026-04-12 10:26:53 -05:00
.dockerignore Optimize Dockerfile layer caching 2026-04-01 10:32:56 -05:00
.formatter.exs initial 2026-03-28 11:28:47 -05:00
.gitignore Dual-write propagation scores to binary files on /data 2026-04-14 14:36:55 -05:00
.tool-versions update deps 2026-04-11 12:03:43 -05:00
AGENTS.md initial 2026-03-28 11:28:47 -05:00
algo.md docs(algo): align algo.md with Richardson-gated scoring implementation 2026-04-18 12:42:20 -05:00
app.json Migrate healthchecks from CHECKS to app.json 2026-04-04 11:24:56 -05:00
CLAUDE.md fix(maps): same reconnect/visibility fix for rover and weather hooks 2026-04-18 13:25:38 -05:00
Dockerfile fix(docker): use BuildKit cache mounts for apt so .debs skip the layer 2026-04-18 11:07:45 -05:00
elevation.md add elevation findings 2026-03-29 16:23:03 -05:00
mix.exs feat(telemetry): PromEx Prometheus exporter at /metrics 2026-04-18 16:39:39 -05:00
mix.lock feat(telemetry): PromEx Prometheus exporter at /metrics 2026-04-18 16:39:39 -05:00
prediction.md HRRR forecast hours (f00-f18) with timeline map UI 2026-03-31 16:44:47 -05:00
README.md initial 2026-03-28 11:28:47 -05:00
tail_logs.sh Add type filter to backfill enqueue 2026-04-06 11:42:26 -05:00
updates.md Update seasonal scores from sounding data, document commercial link patterns 2026-04-07 11:45:44 -05:00

README.md

Microwaveprop

To start your Phoenix server:

  • Run mix setup to install and setup dependencies
  • Start Phoenix endpoint with mix phx.server or inside IEx with iex -S mix phx.server

Now you can visit localhost:4000 from your browser.

Ready to run in production? Please check our deployment guides.

Learn more