From aaac257147acbb40e96c8d8be5c8d1aa249e5393 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Mon, 4 May 2015 12:01:39 +0200
Subject: [PATCH] Use cached time in expireCommand()

Should not be an issue given that the precision is the second here, at
least if we are using a decent HZ value and the cached time refreshes
enough times. So the cached time is only used if HZ is >= 10.
---
 src/db.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/db.c b/src/db.c
index 2b8acf85..61975179 100644
--- a/src/db.c
+++ b/src/db.c
@@ -912,7 +912,8 @@ void expireGenericCommand(redisClient *c, long long basetime, int unit) {
 }
 
 void expireCommand(redisClient *c) {
-    expireGenericCommand(c,mstime(),UNIT_SECONDS);
+    long long now = server.hz >= 10 ? server.mstime: mstime();
+    expireGenericCommand(c,now,UNIT_SECONDS);
 }
 
 void expireatCommand(redisClient *c) {