From 386d5a3ccf4b1c9710799fc4b414747e43275888 Mon Sep 17 00:00:00 2001
From: Cameron Sparr <cameronsparr@gmail.com>
Date: Fri, 18 Mar 2016 10:51:14 -0600
Subject: [PATCH] Do not write metrics if there are 0 to write

closes #884
---
 CHANGELOG.md                      | 1 +
 internal/models/running_output.go | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1e2a4856f..93a8950e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 
 ### Bugfixes
 [#890](https://github.com/influxdata/telegraf/issues/890): Create TLS config even if only ssl_ca is provided.
+[#884](https://github.com/influxdata/telegraf/issues/884): Do not call write method if there are 0 metrics to write.
 
 ## v0.11.1 [2016-03-17]
 
diff --git a/internal/models/running_output.go b/internal/models/running_output.go
index 33fa4e120..1e3d44a61 100644
--- a/internal/models/running_output.go
+++ b/internal/models/running_output.go
@@ -121,6 +121,9 @@ func (ro *RunningOutput) Write() error {
 }
 
 func (ro *RunningOutput) write(metrics []telegraf.Metric) error {
+	if len(metrics) == 0 {
+		return nil
+	}
 	start := time.Now()
 	err := ro.Output.Write(metrics)
 	elapsed := time.Since(start)