[rails] Implement pipeline in routes

[p8]

Rails allows routing to Rack directly for simple responses:
https://guides.rubyonrails.org/routing.html#routing-to-rack-applications

[p8]

/benchmark -f rails -t pipeline

[github-actions]

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

[github-actions]

Benchmark Results

Framework: rails | Test: pipeline

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem

Full log

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

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 622B done
#1 DONE 0.0s

#2 [internal] load metadata for docker.io/library/ruby:4.0-slim
#2 DONE 0.9s

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

#4 [internal] load build context
#4 transferring context: 4.16kB done
#4 DONE 0.0s

#5 [1/7] FROM docker.io/library/ruby:4.0-slim@sha256:198547d3216e0efe6fb337997f22fa98eef4270b38033a697dad148d9d8b9b0d
#5 resolve docker.io/library/ruby:4.0-slim@sha256:198547d3216e0efe6fb337997f22fa98eef4270b38033a697dad148d9d8b9b0d 0.1s done
#5 DONE 0.1s

#6 [3/7] WORKDIR /app
#6 CACHED

#7 [5/7] RUN bundle config set deployment 'true'
#7 CACHED

#8 [4/7] COPY Gemfile* .
#8 CACHED

#9 [6/7] RUN bundle install --jobs=$(nproc)
#9 CACHED

#10 [2/7] RUN apt-get update &&     apt-get install -y --no-install-recommends build-essential libpq-dev libyaml-dev libjemalloc2 libpq5 &&     rm -rf /var/lib/apt/lists/*
#10 CACHED

#11 [7/7] COPY . .
#11 CACHED

#12 exporting to image
#12 exporting layers done
#12 exporting manifest sha256:d762db4701731fedb18a9b877610657a4905299cae4e762e4d7ac30b24f220bb
#12 exporting manifest sha256:d762db4701731fedb18a9b877610657a4905299cae4e762e4d7ac30b24f220bb done
#12 exporting config sha256:123cc6df87121961acccc156e4e790b76ac33e05c8ba11b705144475ebcf3ac0 done
#12 exporting attestation manifest sha256:705c486db4ea06cdd13971d8b8183a56bbe2fdc04a0cf14a0d255c9d8374b3b2 0.1s done
#12 exporting manifest list sha256:a00ca2f62ba77faee2287f47963a5e49d706ace5faf1e041addf5177bfd85e6f 0.0s done
#12 naming to docker.io/library/httparena-rails:latest
#12 naming to docker.io/library/httparena-rails:latest done
#12 unpacking to docker.io/library/httparena-rails:latest done
#12 DONE 0.1s
[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)
[warn] unknown profile: pipeline
[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/current.json
[info] done
httparena-postgres
[info] restoring loopback MTU to 65536
[info] restoring CPU governor → powersave

[p8]

/benchmark -f rails -t pipelined

[github-actions]

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

[github-actions]

Benchmark Results

Framework: rails | Test: pipelined

Test	Conn	RPS	CPU	Mem	Δ RPS	Δ Mem
pipelined	512	330,526	6523.8%	2.2GiB	+62.1%	+4.8%
pipelined	4096	327,126	6513.2%	2.3GiB	+68.2%	-11.5%

Full log

#6 CACHED

#7 [6/7] RUN bundle install --jobs=$(nproc)
#7 CACHED

#8 [3/7] WORKDIR /app
#8 CACHED

#9 [5/7] RUN bundle config set deployment 'true'
#9 CACHED

#10 [2/7] RUN apt-get update &&     apt-get install -y --no-install-recommends build-essential libpq-dev libyaml-dev libjemalloc2 libpq5 &&     rm -rf /var/lib/apt/lists/*
#10 CACHED

#11 [7/7] COPY . .
#11 CACHED

#12 exporting to image
#12 exporting layers done
#12 exporting manifest sha256:d762db4701731fedb18a9b877610657a4905299cae4e762e4d7ac30b24f220bb done
#12 exporting config sha256:123cc6df87121961acccc156e4e790b76ac33e05c8ba11b705144475ebcf3ac0 done
#12 exporting attestation manifest sha256:01c0afeff1922557cbda3034d9c37cfd8076d753b01f68b0cb247eb59cc2bcae
#12 exporting attestation manifest sha256:01c0afeff1922557cbda3034d9c37cfd8076d753b01f68b0cb247eb59cc2bcae 0.0s done
#12 exporting manifest list sha256:4f7dfcb3b82b422cd8f4adff98f038e0f437aebed21905dde1e1621f743a4cca 0.0s done
#12 naming to docker.io/library/httparena-rails:latest done
#12 unpacking to docker.io/library/httparena-rails:latest done
#12 DONE 0.1s
[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)

==============================================
=== rails / pipelined / 512c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   25.90ms   22.20ms   47.60ms   78.90ms   219.80ms

  1601161 requests in 5.00s, 1579961 responses
  Throughput: 315.79K req/s
  Bandwidth:  55.12MB/s
  Status codes: 2xx=1579961, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1579961 / 1579961 responses (100.0%)
  Reconnects: 1325
  Errors: connect 0, read 5, timeout 0
[info] CPU 6435.2% | Mem 2.2GiB

[run 2/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   24.64ms   20.20ms   51.00ms   68.50ms   84.60ms

  1675350 requests in 5.00s, 1652630 responses
  Throughput: 330.41K req/s
  Bandwidth:  57.69MB/s
  Status codes: 2xx=1652630, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1652622 / 1652630 responses (100.0%)
  Reconnects: 1420
  Errors: connect 0, read 1, timeout 0
[info] CPU 6523.8% | Mem 2.2GiB

[run 3/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   25.27ms   22.30ms   48.40ms   71.30ms   93.80ms

  1632916 requests in 5.00s, 1610804 responses
  Throughput: 321.93K req/s
  Bandwidth:  56.19MB/s
  Status codes: 2xx=1610804, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1610796 / 1610804 responses (100.0%)
  Reconnects: 1382
[info] CPU 6473.9% | Mem 2.2GiB

=== Best: 330526 req/s (CPU: 6523.8%, Mem: 2.2GiB) ===
[info] saved results/pipelined/512/rails.json
httparena-bench-rails
httparena-bench-rails

==============================================
=== rails / pipelined / 4096c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   177.44ms   190.70ms   216.10ms   403.40ms   610.30ms

  1601939 requests in 5.00s, 1556275 responses
  Throughput: 311.17K req/s
  Bandwidth:  54.31MB/s
  Status codes: 2xx=1556275, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1556275 / 1556275 responses (100.0%)
[info] CPU 6399.5% | Mem 2.3GiB

[run 2/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   174.64ms   192.50ms   214.70ms   331.90ms   440.40ms

  1672816 requests in 5.00s, 1635632 responses
  Throughput: 327.01K req/s
  Bandwidth:  57.07MB/s
  Status codes: 2xx=1635632, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1635628 / 1635632 responses (100.0%)
  Reconnects: 2
[info] CPU 6513.2% | Mem 2.3GiB

[run 3/3]
gcannon v0.5.3
  Target:    localhost:8080/pipeline
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   176.37ms   193.50ms   212.90ms   305.50ms   452.30ms

  1663776 requests in 5.00s, 1625968 responses
  Throughput: 325.05K req/s
  Bandwidth:  56.73MB/s
  Status codes: 2xx=1625968, 3xx=0, 4xx=0, 5xx=0
  Latency samples: 1625963 / 1625968 responses (100.0%)
  Reconnects: 13
[info] CPU 6483.2% | Mem 2.3GiB

=== Best: 327126 req/s (CPU: 6513.2%, Mem: 2.3GiB) ===
[info] saved results/pipelined/4096/rails.json
httparena-bench-rails
httparena-bench-rails
[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/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/current.json
[info] done
httparena-postgres
[info] restoring loopback MTU to 65536
[info] restoring CPU governor → powersave

[p8]

/benchmark -f rails -t pipelined —save

[github-actions]

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