New: Slimeweb -python by ATOMMAX-2001 · Pull Request #575 · MDA2AV/HttpArena

ATOMMAX-2001 · 2026-04-19T21:54:21Z

Hi, I’m testing my new Python framework, could someone please take a look and confirm if everything is good?

Framework details:
Pypi: https://pypi.org/project/SlimeWeb/

Ty.

MDA2AV · 2026-04-19T22:18:58Z

Hey, thanks for submission. I'll check and fix your docker issues tommorow.

ATOMMAX-2001 · 2026-04-20T06:44:23Z

Ty, This is my first time creating a docker file. Pls let me know if i should modify anything

MDA2AV · 2026-04-20T14:50:55Z

Fixed your dockerfile.

You need to look the failing tests now

[test] baseline endpoints
  PASS [GET /baseline11?a=13&b=42]
  PASS [POST /baseline11?a=13&b=42 body=20]
  PASS [POST /baseline11?a=13&b=42 chunked body=20]
[test] baseline anti-cheat (randomized inputs)
  PASS [GET /baseline11?a=745&b=634 (random)]
  PASS [POST body=427 (cache check 1)]
  PASS [POST body=512 (cache check 2)]
[test] baseline TCP fragmentation
  PASS [GET /baseline11 — split request line]
  PASS [GET /baseline11 — split before headers]
  PASS [POST /baseline11 — split headers/body]
  PASS [POST /baseline11 — split body bytes]
[test] pipelined endpoint
  PASS [GET /pipeline]
[test] json endpoint
  PASS [GET /json/{count}?m=X] (4 counts with multipliers verified)
  PASS [GET /json Content-Type] (Content-Type: application/json)
[test] json-comp endpoint
  PASS [json-comp Content-Encoding: br]
  PASS [json-comp response] (3 counts with multipliers, compressed)
  PASS [json-comp per-request] (no Content-Encoding without Accept-Encoding)
[test] upload endpoint
  PASS [POST /upload small body]
  PASS [POST /upload random body] (bytes: 48)
  PASS [POST /upload] (4 sizes verified: 500K, 2M, 10M, 20M)
[test] static endpoint
  FAIL [GET /static/reset.css Content-Type]: expected Content-Type 'text/css', got ''
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [GET /static/app.js Content-Type]: expected Content-Type 'application/javascript', got ''
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [GET /static/manifest.json Content-Type]: expected Content-Type 'application/json', got ''
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/reset.css size]: expected 8192 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/layout.css size]: expected 25600 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/theme.css size]: expected 18432 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/components.css size]: expected 204800 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/utilities.css size]: expected 61440 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/analytics.js size]: expected 12288 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/helpers.js size]: expected 22528 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/app.js size]: expected 204800 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/vendor.js size]: expected 307200 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/router.js size]: expected 35840 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/header.html size]: expected 122880 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/footer.html size]: expected 56320 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/regular.woff2 size]: expected 18432 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/bold.woff2 size]: expected 22528 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/logo.svg size]: expected 15344 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/icon-sprite.svg size]: expected 71680 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/hero.webp size]: expected 46080 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/thumb1.webp size]: expected 8192 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/thumb2.webp size]: expected 6144 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  FAIL [static/manifest.json size]: expected 2883 bytes, got 0
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/static/validation
  SKIP [static compression] (server does not compress static files)
  PASS [GET /static/nonexistent.txt] (HTTP 404)
[test] async-db endpoint
  FAIL [GET /async-db?limit=7]: count=7, rating=True, tags=False, active=True
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/async-database/validation
  FAIL [GET /async-db?limit=18]: count=18, rating=True, tags=False, active=True
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/async-database/validation
  FAIL [GET /async-db?limit=33]: count=33, rating=True, tags=False, active=True
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/async-database/validation
  FAIL [GET /async-db?limit=50]: count=50, rating=True, tags=False, active=True
        → https://www.http-arena.com/docs/test-profiles/h1/isolated/async-database/validation
  PASS [GET /async-db Content-Type] (Content-Type: application/json)
  PASS [GET /async-db empty range] (count=0)
[test] echo-ws endpoint
[test] WebSocket echo validation (ws://localhost:8080/ws)
  PASS [upgrade status 101] (HTTP/1.1 101 Switching Protocols)
  PASS [Sec-WebSocket-Accept] (correct)
  FAIL [text echo]: sent 'HttpArena-validate-da517b1641b68ab6', got '"HttpArena-validate-da517b1641b68ab6"'
  FAIL [binary echo]: sent 256 bytes, got 0 bytes
  FAIL [multi-message 1/5]: expected 'msg-0-504b545c', got '"msg-0-504b545c"'
  PASS [reject non-upgrade GET /ws] (connection closed (timed out))
[test] post-validation health check
  FAIL [server alive after tests]

ATOMMAX-2001 · 2026-04-20T19:54:05Z

I've updated the slimeweb package, no code changes. Need to re-validate to test web-socket scenario.

ATOMMAX-2001 · 2026-04-20T20:03:33Z

/validate -f slimeweb

MDA2AV · 2026-04-20T20:05:57Z

just add a comment to code to force a new validation

ATOMMAX-2001 · 2026-04-20T20:29:41Z

Finally passed 🎊 😭

MDA2AV · 2026-04-20T20:30:10Z

/benchmark -f slimeweb

github-actions · 2026-04-20T20:30:19Z

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

github-actions · 2026-04-20T20:30:39Z

🚀 Benchmark run triggered for slimeweb (all tests). Results will be posted here when done.

github-actions · 2026-04-20T20:46:18Z

Benchmark Results

Framework: slimeweb | Test: all tests

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem
baseline	512	70,026	1256.8%	190MiB	NEW	NEW
baseline	4096	73,492	1337.8%	206MiB	NEW	NEW
pipelined	512	69,434	1218.2%	132MiB	NEW	NEW
pipelined	4096	70,618	1240.8%	158MiB	NEW	NEW
limited-conn	512	71,043	1339.9%	121MiB	NEW	NEW
limited-conn	4096	71,057	1295.4%	212MiB	NEW	NEW
json	4096	46,738	1919.5%	202MiB	NEW	NEW
json-comp	512	48,393	2188.2%	173MiB	NEW	NEW
json-comp	4096	48,840	2191.8%	218MiB	NEW	NEW
json-comp	16384	47,768	2135.0%	433MiB	NEW	NEW
upload	32	1,091	2864.1%	1.1GiB	NEW	NEW
upload	256	1,159	6247.6%	3.9GiB	NEW	NEW
api-4	256	11,853	247.8%	104MiB	NEW	NEW
api-16	1024	11,813	379.0%	157MiB	NEW	NEW
static	1024	12,718	4816.7%	1.1GiB	NEW	NEW
static	4096	12,156	3654.8%	1.8GiB	NEW	NEW
static	6800	13,874	5074.9%	1.5GiB	NEW	NEW
async-db	1024	4,158	194.1%	368MiB	NEW	NEW

Full log

httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / static / 6800c (tool=wrk) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   263.18ms  136.83ms   2.00s    68.54%
    Req/Sec   231.54    132.38     2.17k    73.00%
  70817 requests in 5.10s, 1.28GB read
  Socket errors: connect 0, read 0, write 0, timeout 772
Requests/sec:  13874.29
Transfer/sec:    255.81MB
[info] CPU 5074.9% | Mem 1.5GiB

[run 2/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   338.72ms  267.47ms   1.98s    73.08%
    Req/Sec   193.27     91.96     1.09k    66.96%
  61701 requests in 5.10s, 1.11GB read
  Socket errors: connect 0, read 0, write 0, timeout 16
Requests/sec:  12089.55
Transfer/sec:    222.56MB
[info] CPU 3792.0% | Mem 992MiB

[run 3/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   427.19ms  279.04ms   1.99s    70.14%
    Req/Sec   199.42     82.78     1.39k    78.08%
  64106 requests in 5.11s, 1.15GB read
  Socket errors: connect 0, read 0, write 0, timeout 170
Requests/sec:  12544.43
Transfer/sec:    231.04MB
[info] CPU 4303.4% | Mem 1.0GiB

=== Best: 13874 req/s (CPU: 5074.9%, Mem: 1.5GiB) ===
[info] saved results/static/6800/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb

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

[run 1/3]
gcannon v0.5.2
  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   179.85ms   124.90ms   143.60ms    2.05s    5.00s

  39520 requests in 10.00s, 38992 responses
  Throughput: 3.90K req/s
  Bandwidth:  14.91MB/s
  Status codes: 2xx=38992, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 38992 / 38992 responses (100.0%)
  Latency overflow (>5s): 145
  Reconnects: 1186
  Per-template: 7956,7899,7615,7610,7912
  Per-template-ok: 7956,7899,7615,7610,7912
[info] CPU 178.4% | Mem 305MiB

[run 2/3]
gcannon v0.5.2
  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   172.03ms   119.20ms   128.10ms    1.67s    5.00s

  42005 requests in 10.00s, 41584 responses
  Throughput: 4.16K req/s
  Bandwidth:  15.92MB/s
  Status codes: 2xx=41584, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 41584 / 41584 responses (100.0%)
  Latency overflow (>5s): 170
  Reconnects: 1301
  Per-template: 8283,8416,8209,8464,8212
  Per-template-ok: 8283,8416,8209,8464,8212
[info] CPU 194.1% | Mem 368MiB

[run 3/3]
gcannon v0.5.2
  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   178.34ms   123.20ms   131.00ms    2.13s    5.00s

  40673 requests in 10.00s, 40289 responses
  Throughput: 4.03K req/s
  Bandwidth:  15.39MB/s
  Status codes: 2xx=40289, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 40289 / 40289 responses (100.0%)
  Latency overflow (>5s): 130
  Reconnects: 1226
  Per-template: 7937,8173,8186,8087,7906
  Per-template-ok: 7937,8173,8186,8087,7906
[info] CPU 191.9% | Mem 447MiB

=== Best: 4158 req/s (CPU: 194.1%, Mem: 368MiB) ===
[info] input BW: 284.24KB/s (avg template: 70 bytes)
[info] saved results/async-db/1024/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb
[info] skip: slimeweb does not subscribe to crud
[info] skip: slimeweb does not subscribe to baseline-h2
[info] skip: slimeweb does not subscribe to static-h2
[info] skip: slimeweb does not subscribe to baseline-h3
[info] skip: slimeweb does not subscribe to static-h3
[info] skip: slimeweb does not subscribe to gateway-64
[info] skip: slimeweb does not subscribe to gateway-h3
[info] skip: slimeweb does not subscribe to production-stack
[info] skip: slimeweb does not subscribe to unary-grpc
[info] skip: slimeweb does not subscribe to unary-grpc-tls
[info] skip: slimeweb does not subscribe to stream-grpc
[info] skip: slimeweb does not subscribe to stream-grpc-tls

==============================================
=== slimeweb / echo-ws / 512c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 4096c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 16384c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
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/api-16-1024.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/api-4-256.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/baseline-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/baseline-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-16384.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/limited-conn-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/limited-conn-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/pipelined-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/pipelined-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-1024.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-6800.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/upload-256.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/upload-32.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 → performance

ATOMMAX-2001 · 2026-04-20T21:26:35Z

Hmm 🤔 , I was expecting slightly higher numbers compared to my micro-benchmark. I guess it’s becoming unstable under high load.

Anyway, Thanks for providing this platform for testing and support, appreciate it ✌️ .

ATOMMAX-2001 · 2026-04-20T21:27:40Z

what happened to websockets, did the server died?

MDA2AV · 2026-04-20T21:34:29Z

what happened to websockets, did the server died?

slimeweb / echo-ws / 4096c (tool=gcannon)

[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
httparena-bench-slimeweb
httparena-bench-slimeweb

MDA2AV · 2026-04-20T21:35:25Z

Hmm 🤔 , I was expecting slightly higher numbers compared to my micro-benchmark. I guess it’s becoming unstable under high load.

It is not fully using the CPU, only 12 out of the 64 CPUs in many tests, probably some config or bad scaling

ATOMMAX-2001 · 2026-04-20T21:50:51Z

what happened to websockets, did the server died?

slimeweb / echo-ws / 4096c (tool=gcannon)

[info] waiting for server... [warn] slimeweb did not come up for echo-ws; skipping httparena-bench-slimeweb httparena-bench-slimeweb

So my server died to test websocket? can we test websocket alone coz it got passed in validation phase right?

Hmm 🤔 , I was expecting slightly higher numbers compared to my micro-benchmark. I guess it’s becoming unstable under high load.

It is not fully using the CPU, only 12 out of the 64 CPUs in many tests, probably some config or bad scaling

oh wait a min, wait a min really 12 cores only??
that shouldn't be possible actually the rust server worker are scaled by the no of cpu. let me see.

can we able to see the logs?, ive logged no of workers its using in the console.

is it possible to fetch it?

MDA2AV · 2026-04-20T21:57:05Z

Yea, Ill trigger a run with logs

MDA2AV · 2026-04-20T21:57:19Z

/benchmark -f slimeweb --save

github-actions · 2026-04-20T21:57:25Z

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

github-actions · 2026-04-20T21:57:44Z

🚀 Benchmark run triggered for slimeweb (all tests) with --save. Results will be posted here when done.

ATOMMAX-2001 · 2026-04-20T22:07:26Z

Yea, Ill trigger a run with logs

Ty. That would help

github-actions · 2026-04-20T22:13:26Z

Benchmark Results

Framework: slimeweb | Test: all tests

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem
baseline	512	69,917	1257.0%	184MiB	NEW	NEW
baseline	4096	71,705	1322.5%	150MiB	NEW	NEW
pipelined	512	70,690	1238.3%	135MiB	NEW	NEW
pipelined	4096	72,670	1263.9%	178MiB	NEW	NEW
limited-conn	512	72,654	1311.5%	131MiB	NEW	NEW
limited-conn	4096	69,467	1319.7%	151MiB	NEW	NEW
json	4096	50,429	1985.7%	215MiB	NEW	NEW
json-comp	512	47,419	2026.0%	182MiB	NEW	NEW
json-comp	4096	46,406	2067.8%	226MiB	NEW	NEW
json-comp	16384	47,876	2144.0%	313MiB	NEW	NEW
upload	32	1,086	2937.9%	1.2GiB	NEW	NEW
upload	256	1,171	5094.6%	4.1GiB	NEW	NEW
api-4	256	12,908	262.0%	105MiB	NEW	NEW
api-16	1024	12,236	403.8%	154MiB	NEW	NEW
static	1024	12,455	4140.0%	886MiB	NEW	NEW
static	4096	12,107	3775.6%	1.9GiB	NEW	NEW
static	6800	13,186	4565.7%	2.1GiB	NEW	NEW
async-db	1024	4,147	192.4%	307MiB	NEW	NEW

Full log

[info] saved results/static/4096/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / static / 6800c (tool=wrk) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   254.01ms  225.98ms   1.94s    79.50%
    Req/Sec   222.91    144.37     2.66k    70.77%
  61908 requests in 5.10s, 1.11GB read
  Socket errors: connect 0, read 0, write 0, timeout 288
Requests/sec:  12126.97
Transfer/sec:    223.54MB
[info] CPU 3854.3% | Mem 1.8GiB

[run 2/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   319.38ms  150.82ms   1.64s    72.97%
    Req/Sec   211.87    103.74     1.99k    72.43%
  67277 requests in 5.10s, 1.21GB read
Requests/sec:  13186.10
Transfer/sec:    243.14MB
[info] CPU 4565.7% | Mem 2.1GiB

[run 3/3]
Running 5s test @ http://localhost:8080
  64 threads and 6800 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency   315.27ms  206.32ms   1.98s    73.86%
    Req/Sec   199.00     94.93     1.78k    72.95%
  63882 requests in 5.10s, 1.15GB read
  Socket errors: connect 0, read 0, write 0, timeout 3
Requests/sec:  12520.60
Transfer/sec:    230.44MB
[info] CPU 4193.8% | Mem 1.2GiB

=== Best: 13186 req/s (CPU: 4565.7%, Mem: 2.1GiB) ===
[info] saved results/static/6800/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb

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

[run 1/3]
gcannon v0.5.2
  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   170.83ms   120.50ms   131.60ms    1.98s    5.00s

  42076 requests in 10.00s, 41477 responses
  Throughput: 4.15K req/s
  Bandwidth:  15.86MB/s
  Status codes: 2xx=41477, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 41477 / 41477 responses (100.0%)
  Latency overflow (>5s): 158
  Reconnects: 1233
  Per-template: 8425,8223,8231,8420,8178
  Per-template-ok: 8425,8223,8231,8420,8178
[info] CPU 192.4% | Mem 307MiB

[run 2/3]
gcannon v0.5.2
  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   186.44ms   123.60ms   134.60ms    2.49s    5.00s

  40639 requests in 10.00s, 40272 responses
  Throughput: 4.03K req/s
  Bandwidth:  15.46MB/s
  Status codes: 2xx=40272, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 40272 / 40272 responses (100.0%)
  Latency overflow (>5s): 188
  Reconnects: 1242
  Per-template: 7875,8062,8161,8279,7895
  Per-template-ok: 7875,8062,8161,8279,7895
[info] CPU 188.3% | Mem 432MiB

[run 3/3]
gcannon v0.5.2
  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   178.68ms   124.70ms   133.20ms    1.98s    5.00s

  40464 requests in 10.00s, 40024 responses
  Throughput: 4.00K req/s
  Bandwidth:  15.56MB/s
  Status codes: 2xx=40024, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 40024 / 40024 responses (100.0%)
  Latency overflow (>5s): 142
  Reconnects: 1244
  Per-template: 7936,7749,7865,8239,8235
  Per-template-ok: 7936,7749,7865,8239,8235
[info] CPU 190.2% | Mem 526MiB

=== Best: 4147 req/s (CPU: 192.4%, Mem: 307MiB) ===
[info] input BW: 283.49KB/s (avg template: 70 bytes)
[info] saved results/async-db/1024/slimeweb.json
httparena-bench-slimeweb
httparena-bench-slimeweb
[info] skip: slimeweb does not subscribe to crud
[info] skip: slimeweb does not subscribe to baseline-h2
[info] skip: slimeweb does not subscribe to static-h2
[info] skip: slimeweb does not subscribe to baseline-h3
[info] skip: slimeweb does not subscribe to static-h3
[info] skip: slimeweb does not subscribe to gateway-64
[info] skip: slimeweb does not subscribe to gateway-h3
[info] skip: slimeweb does not subscribe to production-stack
[info] skip: slimeweb does not subscribe to unary-grpc
[info] skip: slimeweb does not subscribe to unary-grpc-tls
[info] skip: slimeweb does not subscribe to stream-grpc
[info] skip: slimeweb does not subscribe to stream-grpc-tls

==============================================
=== slimeweb / echo-ws / 512c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 4096c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
httparena-bench-slimeweb
httparena-bench-slimeweb

==============================================
=== slimeweb / echo-ws / 16384c (tool=gcannon) ===
==============================================
[info] waiting for server...
[warn] slimeweb did not come up for echo-ws; skipping
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/api-16-1024.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/api-4-256.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/baseline-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/baseline-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-16384.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/json-comp-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/limited-conn-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/limited-conn-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/pipelined-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/pipelined-512.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-1024.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-4096.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/static-6800.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/upload-256.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/upload-32.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 → performance

MDA2AV · 2026-04-20T22:14:21Z

see logs here

Nº of workers seems correct but framework may have issues with high CPU count scaling, seen many like this here that eventually improved and achieved much better results

MDA2AV · 2026-04-20T22:36:52Z

Anyway, don't worry too much about results now, there is room to grow

ATOMMAX-2001 · 2026-04-21T06:19:59Z

see logs here

Nº of workers seems correct but framework may have issues with high CPU count scaling, seen many like this here that eventually improved and achieved much better results

Yea need to check what's happening in high load and websocket. Ty

ATOMMAX-2001 · 2026-04-21T06:33:18Z

Sry one last question, how do you guys check if the server is up or not for websocket scenario coz all 3 websocket test case the server is not available it showing in the benchmark log.

It would be helpful for debugging.

Thanks.

ATOMMAX-2001 added 2 commits April 20, 2026 03:10

Add: SlimeWeb new python framework

6cae6a3

Add: SlimeWeb new python framework

107512e

ATOMMAX-2001 requested review from Kaliumhexacyanoferrat and MDA2AV as code owners April 19, 2026 21:54

MDA2AV added 2 commits April 20, 2026 14:41

disable failing tests + drop broken static COPY

a0f6246

reenable tests

e7c5e13

+dynamic static path with compression & websocket modification

fde5629

+ws text based message fix

f4baef2

Benchmark results: slimeweb

e4d6ef1

Merge branch 'main' into slimeweb-python

8bd3dfa

MDA2AV approved these changes Apr 20, 2026

View reviewed changes

MDA2AV merged commit 979ea8e into MDA2AV:main Apr 20, 2026

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