From 7bc21c7913a0c79cf885d7c6c479c44f39af8f54 Mon Sep 17 00:00:00 2001
From: Mario Rugiero <mrugiero@gmail.com>
Date: Tue, 11 Nov 2025 11:42:23 -0300
Subject: [PATCH] feat(l1,l2): name rayon threads for easier debugging

---
 Cargo.lock            | 1 +
 cmd/ethrex/Cargo.toml | 1 +
 cmd/ethrex/ethrex.rs  | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/Cargo.lock b/Cargo.lock
index 9812ca093ff..e653393ac15 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3306,6 +3306,7 @@ dependencies = [
  "lazy_static",
  "local-ip-address",
  "rand 0.8.5",
+ "rayon",
  "reqwest 0.12.24",
  "secp256k1",
  "serde",
diff --git a/cmd/ethrex/Cargo.toml b/cmd/ethrex/Cargo.toml
index 5092c49cc48..47b51f87129 100644
--- a/cmd/ethrex/Cargo.toml
+++ b/cmd/ethrex/Cargo.toml
@@ -43,6 +43,7 @@ serde_json.workspace = true
 tokio = { workspace = true, features = ["full"] }
 anyhow = "1.0.86"
 rand = "0.8.5"
+rayon.workspace = true
 local-ip-address = "0.6"
 tokio-util.workspace = true
 lazy_static.workspace = true
diff --git a/cmd/ethrex/ethrex.rs b/cmd/ethrex/ethrex.rs
index aeeb16a20ea..15467714127 100644
--- a/cmd/ethrex/ethrex.rs
+++ b/cmd/ethrex/ethrex.rs
@@ -49,6 +49,11 @@ async fn server_shutdown(
 async fn main() -> eyre::Result<()> {
     let CLI { opts, command } = CLI::parse();
 
+    rayon::ThreadPoolBuilder::default()
+        .thread_name(|i| format!("rayon-worker-{i}"))
+        .build_global()
+        .expect("failed to build rayon threadpool");
+
     if let Some(subcommand) = command {
         return subcommand.run(&opts).await;
     }