From c976373c6e25171580f995e98635535eae597b87 Mon Sep 17 00:00:00 2001
From: Nick <gurinderu@gmail.com>
Date: Fri, 8 Mar 2024 16:37:57 +0300
Subject: [PATCH] fix(config): change default for the cpu range in nox (#2140)

* fix

* fix fmt
---
 crates/server-config/src/defaults.rs    | 15 +++++++++++++++
 crates/server-config/src/node_config.rs |  1 +
 2 files changed, 16 insertions(+)

diff --git a/crates/server-config/src/defaults.rs b/crates/server-config/src/defaults.rs
index 4c6de14810..7914e2c7dc 100644
--- a/crates/server-config/src/defaults.rs
+++ b/crates/server-config/src/defaults.rs
@@ -19,6 +19,7 @@ use std::net::IpAddr;
 use std::path::{Path, PathBuf};
 use std::time::Duration;
 
+use core_manager::CoreRange;
 use libp2p::core::Multiaddr;
 use libp2p::identity::ed25519::Keypair;
 use libp2p::identity::PublicKey;
@@ -70,6 +71,20 @@ pub fn default_system_cpu_count() -> usize {
     }
 }
 
+pub fn default_cpus_range() -> Option<CoreRange> {
+    let total = num_cpus::get_physical();
+    let left = match total {
+        c if c > 32 => 3,
+        c if c > 16 => 2,
+        c if c > 8 => 1,
+        _ => 0,
+    };
+    Some(
+        CoreRange::try_from(Vec::from_iter(left..total).as_slice())
+            .expect("Cpu range can't be empty"),
+    )
+}
+
 pub fn default_websocket_port() -> u16 {
     9999
 }
diff --git a/crates/server-config/src/node_config.rs b/crates/server-config/src/node_config.rs
index 8e3871165a..2f684dbd12 100644
--- a/crates/server-config/src/node_config.rs
+++ b/crates/server-config/src/node_config.rs
@@ -33,6 +33,7 @@ use super::defaults::*;
 #[derive(Clone, Deserialize, Serialize, Derivative)]
 #[derivative(Debug)]
 pub struct UnresolvedNodeConfig {
+    #[serde(default = "default_cpus_range")]
     pub cpus_range: Option<CoreRange>,
 
     #[serde(default = "default_system_cpu_count")]