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Extend certifier limits configuration to avoid OOMs #271

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merged 1 commit into from
May 28, 2024
Merged

Extend certifier limits configuration to avoid OOMs #271

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154 changes: 138 additions & 16 deletions Cargo.lock
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5 changes: 3 additions & 2 deletions certifier/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -26,14 +26,15 @@ rand = "0.8.5"
serde_json = "1.0.117"
base64 = "0.22.1"
axum-prometheus = "0.6.1"
tower = { version = "0.4.13", features = ["limit"] }
duration-str = { version = "0.7.1", default-features = false, features = [
tower = { version = "0.4.13", features = ["limit", "load-shed", "buffer"] }
duration-str = { version = "0.10.0", default-features = false, features = [
"serde",
"time",
] }
parity-scale-codec = { version = "3.6.12", features = ["derive", "serde"] }
mockall = "0.12.1"

[dev-dependencies]
axum-test = "14.9.1"
reqwest = { version = "0.12.4", features = ["json"] }
tempfile = "3.8.1"
9 changes: 9 additions & 0 deletions certifier/README.md
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Expand Up @@ -45,6 +45,15 @@ init_cfg:

metrics: "127.0.0.1:9090"
randomx_mode: Fast

limits:
# How many requests can be processed in parallel.
# As PoST verification is CPU-bound, it defaults to the number of CPUs.
max_concurrent_requests: 4
# How many requests can be queued, waiting to be processed.
max_pending_requests: 1000
# Maximum size of request body (the proof JSON)
max_body_size: 1024
```

Each field can also be provided as env variable prefixed with CERTIFIER. For example, `CERTIFIER_SIGNING_KEY`.
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