chore: apply suggestions from CR

GreptimeTeam · Nov 29, 2023 · 2fe6a2d · 2fe6a2d
1 parent e6f1c0b
commit 2fe6a2d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/meta-srv/src/procedure/region_migration/upgrade_candidate_region.rs b/src/meta-srv/src/procedure/region_migration/upgrade_candidate_region.rs
@@ -69,11 +69,13 @@ impl State for UpgradeCandidateRegion {
 }
 
 impl UpgradeCandidateRegion {
+    const UPGRADE_CANDIDATE_REGION_RTT: Duration = Duration::from_secs(1);
+
     /// Returns the timeout of the upgrade candidate region.
     ///
     /// Equals `replay_timeout` + RTT
     fn send_upgrade_candidate_region_timeout(&self) -> Duration {
-        self.replay_timeout + Duration::from_secs(1)
+        self.replay_timeout + UpgradeCandidateRegion::UPGRADE_CANDIDATE_REGION_RTT
     }
 
     /// Builds upgrade region instruction.