perf: switch to jemalloc allocator

Cargo.lock

@@ -1689,6 +1689,7 @@ dependencies = [
  "serde_json",
  "sqlx",
  "thiserror",
+ "tikv-jemallocator",
  "tokio",
  "tokio-tungstenite",
  "tonic",
@@ -2958,6 +2959,26 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tikv-jemalloc-sys"
+version = "0.5.3+5.3.0-patched"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a678df20055b43e57ef8cddde41cdfda9a3c1a060b67f4c5836dfb1d78543ba8"
+dependencies = [
+ "cc",
+ "libc",
+]
+
+[[package]]
+name = "tikv-jemallocator"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20612db8a13a6c06d57ec83953694185a367e16945f66565e8028d2c0bd76979"
+dependencies = [
+ "libc",
+ "tikv-jemalloc-sys",
+]
+
 [[package]]
 name = "time"
 version = "0.1.45"

Cargo.toml

@@ -54,6 +54,8 @@ bech32 = "0.9.1"
 url = "2.3.1"
 qrcode = { version = "0.12.0", default-features = false, features = ["svg"] }
 nostr = { version = "0.18.0", default-features = false, features = ["base", "nip04", "nip19"] }
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+tikv-jemallocator = "0.5"
 
 [dev-dependencies]
 anyhow = "1"

src/main.rs

@@ -8,6 +8,12 @@ use std::sync::mpsc as syncmpsc;
 use std::sync::mpsc::{Receiver as MpscReceiver, Sender as MpscSender};
 use std::thread;
 use tracing::info;
+#[cfg(not(target_env = "msvc"))]
+use tikv_jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
 
 /// Start running a Nostr relay server.
 fn main() {