SlimeWeb: websocket fix by ATOMMAX-2001 · Pull Request #638 · MDA2AV/HttpArena

ATOMMAX-2001 · 2026-04-25T18:21:10Z

bad request response for non-upgradable request

ATOMMAX-2001 · 2026-04-25T18:22:29Z

/benchmark -f slimeweb -t echo-ws

github-actions · 2026-04-25T18:22:35Z

👋 /benchmark request received. A collaborator will review and approve the run.

github-actions · 2026-04-25T20:24:59Z

Benchmark Results

Framework: slimeweb | Test: echo-ws

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem
echo-ws	512	38,294	684.0%	237MiB	NEW	NEW
echo-ws	4096	39,059	726.4%	931MiB	NEW	NEW
echo-ws	16384	38,933	754.1%	1.1GiB	NEW	NEW

Full log

    Latency   12.53ms   11.20ms   22.90ms   36.10ms   47.90ms

  190314 frames sent in 5.00s, 190132 frames received
  Throughput: 38.01K req/s
  Bandwidth:  265.75KB/s
  WS upgrades: 512
  WS frames:   190132
  Latency samples: 190131 / 190132 responses (100.0%)
[info] CPU 697.6% | Mem 304MiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   12.47ms   11.10ms   22.90ms   35.30ms   45.40ms

  191632 frames sent in 5.00s, 191455 frames received
  Throughput: 38.28K req/s
  Bandwidth:  267.40KB/s
  WS upgrades: 512
  WS frames:   191455
  Latency samples: 191455 / 191455 responses (100.0%)
[info] CPU 703.1% | Mem 373MiB

=== Best: 38294 req/s (CPU: 684.0%, Mem: 237MiB) ===
[info] saved results/echo-ws/512/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 4096c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   58.68ms   34.90ms   142.30ms   191.60ms   217.20ms

  192617 frames sent in 5.00s, 189695 frames received
  Throughput: 37.92K req/s
  Bandwidth:  353.96KB/s
  WS upgrades: 3381
  WS frames:   189695
  Latency samples: 189694 / 189695 responses (100.0%)
[info] CPU 699.7% | Mem 568MiB

[run 2/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   32.21ms   26.40ms   67.80ms   105.80ms   127.90ms

  194414 frames sent in 5.00s, 193089 frames received
  Throughput: 38.60K req/s
  Bandwidth:  306.84KB/s
  WS upgrades: 1660
  WS frames:   193089
  Latency samples: 193089 / 193089 responses (100.0%)
[info] CPU 717.9% | Mem 757MiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   30.29ms   26.90ms   58.50ms   89.50ms   112.90ms

  196115 frames sent in 5.00s, 195299 frames received
  Throughput: 39.05K req/s
  Bandwidth:  293.36KB/s
  WS upgrades: 1288
  WS frames:   195299
  Latency samples: 195297 / 195299 responses (100.0%)
[info] CPU 726.4% | Mem 931MiB

=== Best: 39059 req/s (CPU: 726.4%, Mem: 931MiB) ===
[info] saved results/echo-ws/4096/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 16384c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     16384 (256/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   46.14ms   32.70ms   110.20ms   155.90ms   182.10ms

  195298 frames sent in 5.00s, 192635 frames received
  Throughput: 38.51K req/s
  Bandwidth:  349.58KB/s
  WS upgrades: 2663
  WS frames:   192635
  Latency samples: 192635 / 192635 responses (100.0%)
[info] CPU 704.5% | Mem 472MiB

[run 2/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     16384 (256/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   105.68ms   113.40ms   160.00ms   200.70ms   228.80ms

  199906 frames sent in 5.00s, 194669 frames received
  Throughput: 38.92K req/s
  Bandwidth:  435.78KB/s
  WS upgrades: 5237
  WS frames:   194669
  Latency samples: 194669 / 194669 responses (100.0%)
[info] CPU 754.1% | Mem 1.1GiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     16384 (256/thread)
  Pipeline:  1
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   91.88ms   97.40ms   151.80ms   197.30ms   230.60ms

  198493 frames sent in 5.00s, 193772 frames received
  Throughput: 38.74K req/s
  Bandwidth:  417.85KB/s
  WS upgrades: 4721
  WS frames:   193772
  Latency samples: 193772 / 193772 responses (100.0%)
[info] CPU 713.8% | Mem 1.7GiB

=== Best: 38933 req/s (CPU: 754.1%, Mem: 1.1GiB) ===
[info] saved results/echo-ws/16384/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb
[info] rebuilding site/data/*.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/frameworks.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/echo-ws-16384.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/echo-ws-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/echo-ws-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/current.json
[info] done
httparena-postgres
[info] restoring loopback MTU to 65536
[info] restoring CPU governor → powersave

ATOMMAX-2001 · 2026-04-25T20:40:12Z

😭😭😭

ATOMMAX-2001 · 2026-04-25T20:40:55Z

/benchmark -f slimeweb -t async-db

github-actions · 2026-04-25T20:41:01Z

👋 /benchmark request received. A collaborator will review and approve the run.

github-actions · 2026-04-25T21:54:04Z

Benchmark Results

Framework: slimeweb | Test: async-db

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem
async-db	1024	5,642	197.9%	275MiB	+15.9%	-11.9%

Full log

[info] available CPUs: 128
[info] framework: slimeweb (SlimeWeb, Python)
[info] subscribed tests: baseline,pipelined,limited-conn,json,json-comp,upload,echo-ws,api-4,api-16,static,async-db
[info] building image: httparena-slimeweb
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 260B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/python:3.13-slim
#2 DONE 0.7s

#3 [internal] load .dockerignore
#3 transferring context: 2B done
#3 DONE 0.0s

#4 [internal] load build context
#4 transferring context: 3.85kB done
#4 DONE 0.1s

#5 [1/7] FROM docker.io/library/python:3.13-slim@sha256:a0779d7c12fc20be6ec6b4ddc901a4fd7657b8a6bc9def9d3fde89ed5efe0a3d
#5 resolve docker.io/library/python:3.13-slim@sha256:a0779d7c12fc20be6ec6b4ddc901a4fd7657b8a6bc9def9d3fde89ed5efe0a3d
#5 resolve docker.io/library/python:3.13-slim@sha256:a0779d7c12fc20be6ec6b4ddc901a4fd7657b8a6bc9def9d3fde89ed5efe0a3d 0.1s done
#5 DONE 0.1s

#6 [2/7] WORKDIR /app
#6 CACHED

#7 [3/7] RUN pip install --no-cache-dir uv slimeweb
#7 CACHED

#8 [4/7] RUN slime new arena
#8 CACHED

#9 [6/7] RUN slime add asyncpg
#9 CACHED

#10 [5/7] WORKDIR /app/arena
#10 CACHED

#11 [7/7] COPY main.py /app/arena/main.py
#11 CACHED

#12 exporting to image
#12 exporting layers done
#12 exporting manifest sha256:618f0dbc758b36b579d707e4153fc838c7afc857eb59a90b0fbbe617b9e1a179 0.0s done
#12 exporting config sha256:1a4979f53d9bb3dd770f8e8cd8385b487d1f8dabe56ea29e11dc483bb4d2244d 0.0s done
#12 exporting attestation manifest sha256:4154e5253b16bab727c9d878443332b392a9a2122131f6c31362f4e6d048a7bd
#12 exporting attestation manifest sha256:4154e5253b16bab727c9d878443332b392a9a2122131f6c31362f4e6d048a7bd 0.1s done
#12 exporting manifest list sha256:e48ffe65b0f23f6acdd6dad695abe411d77849f625a6a07ac06eba0b0c767f56
#12 exporting manifest list sha256:e48ffe65b0f23f6acdd6dad695abe411d77849f625a6a07ac06eba0b0c767f56 0.1s done
#12 naming to docker.io/library/httparena-slimeweb:latest 0.0s done
#12 unpacking to docker.io/library/httparena-slimeweb:latest
#12 unpacking to docker.io/library/httparena-slimeweb:latest 2.9s done
#12 DONE 3.3s
[info] tuning host for benchmark runs
[info] CPU governor → performance
[info] setting kernel socket limits
[info] setting UDP buffer sizes for QUIC
[info] setting loopback MTU to 1500 (realistic Ethernet)
[info] restarting docker daemon
[info] dropping kernel caches
[info] starting postgres sidecar
[info] postgres ready (seeded)

==============================================
=== slimeweb / async-db / 1024c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3
  Target:    localhost:8080/
  Threads:   64
  Conns:     1024 (16/thread)
  Pipeline:  1
  Req/conn:  25
  Templates: 5
  Expected:  200
  Duration:  10s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   160.87ms   51.00ms   476.30ms    1.24s    1.99s

  56972 requests in 10.00s, 56427 responses
  Throughput: 5.64K req/s
  Bandwidth:  21.69MB/s
  Status codes: 2xx=56427, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 56427 / 56427 responses (100.0%)
  Reconnects: 1769
  Per-template: 11191,11243,11323,11386,11284
  Per-template-ok: 11191,11243,11323,11386,11284
[info] CPU 197.9% | Mem 275MiB

[run 2/3]
gcannon v0.5.3
  Target:    localhost:8080/
  Threads:   64
  Conns:     1024 (16/thread)
  Pipeline:  1
  Req/conn:  25
  Templates: 5
  Expected:  200
  Duration:  10s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   190.64ms   184.20ms   354.80ms    1.17s    2.32s

  51265 requests in 10.00s, 50839 responses
  Throughput: 5.08K req/s
  Bandwidth:  19.54MB/s
  Status codes: 2xx=50839, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 50839 / 50839 responses (100.0%)
  Reconnects: 1561
  Per-template: 9912,10187,10404,10230,10106
  Per-template-ok: 9912,10187,10404,10230,10106
[info] CPU 199.2% | Mem 313MiB

[run 3/3]
gcannon v0.5.3
  Target:    localhost:8080/
  Threads:   64
  Conns:     1024 (16/thread)
  Pipeline:  1
  Req/conn:  25
  Templates: 5
  Expected:  200
  Duration:  10s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   194.32ms   188.30ms   358.30ms   793.70ms    1.57s

  50275 requests in 10.00s, 49875 responses
  Throughput: 4.99K req/s
  Bandwidth:  19.07MB/s
  Status codes: 2xx=49875, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 49875 / 49875 responses (100.0%)
  Reconnects: 1516
  Per-template: 9827,10121,10073,10044,9810
  Per-template-ok: 9827,10121,10073,10044,9810
[info] CPU 202.4% | Mem 443MiB

=== Best: 5642 req/s (CPU: 197.9%, Mem: 275MiB) ===
[info] input BW: 385.68KB/s (avg template: 70 bytes)
[info] saved results/async-db/1024/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb
[info] rebuilding site/data/*.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/frameworks.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/async-db-1024.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/current.json
[info] done
httparena-postgres
[info] restoring loopback MTU to 65536
[info] restoring CPU governor → powersave

ATOMMAX-2001 · 2026-04-25T22:03:34Z

All of my branch is messed up im closing this

+ws bug fix for non-upgrade request

ae9bb63

ATOMMAX-2001 requested review from Kaliumhexacyanoferrat and MDA2AV as code owners April 25, 2026 18:21

ATOMMAX-2001 added 2 commits April 26, 2026 00:19

static response for pipeline

3969c63

removed slime tls in this branch

02fcb75

ATOMMAX-2001 closed this Apr 25, 2026

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SlimeWeb: websocket fix#638

SlimeWeb: websocket fix#638
ATOMMAX-2001 wants to merge 3 commits intoMDA2AV:mainfrom
ATOMMAX-2001:slimeweb-python

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Uh oh!

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