From d95a06218b04649343ddd57427ef3f7374514e9c Mon Sep 17 00:00:00 2001
From: Shanicky Chen <peng@risingwave-labs.com>
Date: Tue, 30 Jan 2024 18:41:04 +0800
Subject: [PATCH] Refactor logging in ClusterManager with `tracing`

---
 src/meta/src/manager/cluster.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/meta/src/manager/cluster.rs b/src/meta/src/manager/cluster.rs
index 2712a83632d92..e0d09cc1adb65 100644
--- a/src/meta/src/manager/cluster.rs
+++ b/src/meta/src/manager/cluster.rs
@@ -134,9 +134,11 @@ impl ClusterManager {
             let mut new_worker = worker.clone();
             match old_worker_parallelism.cmp(&new_worker_parallelism) {
                 Ordering::Less => {
-                    println!(
+                    tracing::info!(
                         "worker {} parallelism updated from {} to {}",
-                        new_worker.worker_node.id, old_worker_parallelism, new_worker_parallelism
+                        new_worker.worker_node.id,
+                        old_worker_parallelism,
+                        new_worker_parallelism
                     );
                     let parallel_units = self
                         .generate_cn_parallel_units(