Remove serde-cbor, num_cpus

Cargo.lock

@@ -1034,12 +1034,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "half"
-version = "1.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eabb4a44450da02c90444cf74558da904edde8fb4e9035a9a6a4e15445af0bd7"
-
 [[package]]
 name = "hashbrown"
 version = "0.12.3"
@@ -1833,7 +1827,6 @@ dependencies = [
  "metrics",
  "metrics-exporter-prometheus",
  "mime",
- "num_cpus",
  "once_cell",
  "opentelemetry",
  "opentelemetry-otlp",
@@ -1846,7 +1839,6 @@ dependencies = [
  "rusty-s3",
  "serde",
  "serde-tuple-vec-map",
- "serde_cbor",
  "serde_json",
  "serde_urlencoded",
  "sha2",
@@ -2460,16 +2452,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "serde_cbor"
-version = "0.11.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bef2ebfde456fb76bbcf9f59315333decc4fda0b2b44b420243c11e0f5ec1f5"
-dependencies = [
- "half",
- "serde",
-]
-
 [[package]]
 name = "serde_derive"
 version = "1.0.188"

Cargo.toml

@@ -38,7 +38,6 @@ md-5 = "0.10.5"
 metrics = "0.21.1"
 metrics-exporter-prometheus = { version = "0.12.1", default-features = false, features = ["http-listener"] }
 mime = "0.3.1"
-num_cpus = "1.13"
 once_cell = "1.4.0"
 opentelemetry = { version = "0.20", features = ["rt-tokio"] }
 opentelemetry-otlp = "0.13"
@@ -51,7 +50,6 @@ reqwest-tracing = { version = "0.4.5" }
 rusty-s3 = "0.4.1"
 serde = { version = "1.0", features = ["derive"] }
 serde-tuple-vec-map = "1.0.1"
-serde_cbor = "0.11.2"
 serde_json = "1.0"
 serde_urlencoded = "0.7.1"
 sha2 = "0.10.0"

src/lib.rs

@@ -89,7 +89,11 @@ const DAYS: u32 = 24 * HOURS;
 const NOT_FOUND_KEY: &str = "404-alias";
 
 static PROCESS_SEMAPHORE: Lazy<Semaphore> = Lazy::new(|| {
-    let permits = num_cpus::get().saturating_sub(1).max(1);
+    let permits = std::thread::available_parallelism()
+        .map(usize::from)
+        .unwrap_or(1)
+        .saturating_sub(1)
+        .max(1);
 
     crate::sync::bare_semaphore(permits)
 });