From e933e3da842617471fac00938616a2c5d1180d73 Mon Sep 17 00:00:00 2001 From: Matt Bentley Date: Fri, 19 Aug 2016 17:05:26 -0400 Subject: [PATCH] Added ntp docs; fixes #2028 Signed-off-by: Matt Bentley --- installation/plan-production-install.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/installation/plan-production-install.md b/installation/plan-production-install.md index 996c4c96be..122ac467ff 100644 --- a/installation/plan-production-install.md +++ b/installation/plan-production-install.md @@ -52,6 +52,14 @@ Docker UCP requires each node on the cluster to have a static IP address. Before installing UCP, ensure your network and nodes are configured to support this. +## Time Synchronization + +In distributed systems such as Docker UCP, time synchronization is critical +to ensure proper operation. As a best practice to ensure consistency between +then engines in a UCP cluster, all engines should regularly synchronize time +with a NTP server. If a server's clock is skewed, unexpected behavior may +cause poor performance or even failures. + ## Load balancing strategy Docker UCP does not include a load balancer. You can configure your own