From 69e76ed92ea1c340858557766588aee69fa8c023 Mon Sep 17 00:00:00 2001
From: mwtian <81660174+mwtian@users.noreply.github.com>
Date: Mon, 10 Mar 2025 08:34:29 -0600
Subject: [PATCH] [consensus] reduce leader timeout to 200ms (#21446)

## Description

With round interval of 70-80ms, using 250ms for leader timeout seems a
bit excessive.

## Test plan

PT

---

## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol:
- [ ] Nodes (Validators and Full nodes):
- [ ] gRPC:
- [ ] JSON-RPC:
- [ ] GraphQL:
- [ ] CLI:
- [ ] Rust SDK:
---
 consensus/config/src/parameters.rs                              | 2 +-
 .../config/tests/snapshots/parameters_test__parameters.snap     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/consensus/config/src/parameters.rs b/consensus/config/src/parameters.rs
index b88da9f1c2f8b..8b1be5f69894a 100644
--- a/consensus/config/src/parameters.rs
+++ b/consensus/config/src/parameters.rs
@@ -94,7 +94,7 @@ pub struct Parameters {
 
 impl Parameters {
     pub(crate) fn default_leader_timeout() -> Duration {
-        Duration::from_millis(250)
+        Duration::from_millis(200)
     }
 
     pub(crate) fn default_min_round_delay() -> Duration {
diff --git a/consensus/config/tests/snapshots/parameters_test__parameters.snap b/consensus/config/tests/snapshots/parameters_test__parameters.snap
index 31bae3c89ce11..332faca71a038 100644
--- a/consensus/config/tests/snapshots/parameters_test__parameters.snap
+++ b/consensus/config/tests/snapshots/parameters_test__parameters.snap
@@ -4,7 +4,7 @@ expression: parameters
 ---
 leader_timeout:
   secs: 0
-  nanos: 250000000
+  nanos: 200000000
 min_round_delay:
   secs: 0
   nanos: 50000000