From 25361e881c1ffe2d066f091d0f9cfa704925be31 Mon Sep 17 00:00:00 2001
From: Peter Mattis <petermattis@gmail.com>
Date: Sat, 12 May 2018 15:11:03 -0400
Subject: [PATCH] roachtest: deflake clock/jump/small_forward_enabled

Fixes #25449

Release note: None
---
 pkg/cmd/roachtest/clock_jump_crash.go | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkg/cmd/roachtest/clock_jump_crash.go b/pkg/cmd/roachtest/clock_jump_crash.go
index 8b1375374acf..5c6582175392 100644
--- a/pkg/cmd/roachtest/clock_jump_crash.go
+++ b/pkg/cmd/roachtest/clock_jump_crash.go
@@ -83,8 +83,11 @@ func makeClockJumpTests() testSpec {
 			aliveAfterOffset: false,
 		},
 		{
-			name:             "small_forward_enabled",
-			offset:           150 * time.Millisecond,
+			name: "small_forward_enabled",
+			// NB: The offset here needs to be small enough such that this jump plus
+			// the forward jump check interval (125ms) is less than the tolerated
+			// forward clock jump (250ms).
+			offset:           100 * time.Millisecond,
 			jumpCheckEnabled: true,
 			aliveAfterOffset: true,
 		},