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Measure maximized NATS cluster: 8 cores, 16 GiB, tmpfs JetStream.
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Same NS1 ladder as 20260912T051237Z. Product streams restored to ZFS;
raised cores, RAM, and max_mem stay on 510–513.
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George Lambert 2026-09-12 01:34:49 -04:00
parent c5d286dc6b
commit a7a7ec86ce
63 changed files with 4298 additions and 11 deletions
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packages/zapier-decisions/STATUS.md
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@ -39,6 +39,17 @@ Measured from LXC **510** (not a nats-* server) against `10.10.10.21–23`.
**Second study (all code on NS1.GEORGELAMBERT.ORG / 70.88.205.138, run `20260912T051237Z`):** [HTML](https://zapier.georgelambert.org/packages/zapier-decisions/reports/ns1-host/nats-cluster-bench-ns1.html) · [PDF](https://zapier.georgelambert.org/packages/zapier-decisions/reports/ns1-host/nats-cluster-bench-ns1.pdf) · [markdown](reports/ns1-host/nats-cluster-bench-ns1.md). Orchestrator, nats bench, charts, HTML, and PDF ran on 138; traffic was LXC 510 → 511–513 on `vmbr1`. Includes full methodology and fine-tuning notes. Host load ~8.5/40 during the run; JetStream 1p 128 B was **7.4k** durable pubs/s (vs ~16k on the quieter first ladder); ping p99 **1.38 ms**.
**Maximized study (`20260912T053120Z`):** 8 cores + 16 GiB on 510–513, `max_mem: 8G`, JetStream **tmpfs** for the ladder (ZFS restored after). veth/10G unchanged. [HTML](https://zapier.georgelambert.org/packages/zapier-decisions/reports/ns1-maximize/nats-cluster-bench-ns1.html) · [PDF](https://zapier.georgelambert.org/packages/zapier-decisions/reports/ns1-maximize/nats-cluster-bench-ns1.pdf).
| Metric | Baseline 051237Z | Maximized | Ratio |
|--------|------------------|-----------|-------|
| JS file r=3 1p 128 B | 7,393 pubs/s | **17,388** | **2.35×** |
| JS memory r=3 4p 128 B | — | **36,355** | ~4.9× vs baseline file 1p |
| Core 1p 128 B pub | 502,502 | 599,004 | 1.19× |
| Ping p99 | 1.377 ms | **0.684 ms** | **2.01× faster** |
Live cluster **keeps 8 cores / 16 GiB / max_mem 8G**. Product streams are back on ZFS (tmpfs was study-only).
Short tables: [BENCH.md](https://git.georgelambert.org/marchon/verae-nats-cluster/src/branch/main/BENCH.md). Re-run: `bash scripts/bench.sh` on NS1.
| Kind | Load | Result |