diff --git a/dashboard/src/components/GraphItem.vue b/dashboard/src/components/GraphItem.vue
index b95d4ccbf..ad0d7ceb7 100644
--- a/dashboard/src/components/GraphItem.vue
+++ b/dashboard/src/components/GraphItem.vue
@@ -9,7 +9,7 @@ import annotationPlugin from 'chartjs-plugin-annotation';
 
 Chart.register(annotationPlugin);
 
-const LIVE_REFRESH_INTERVAL_MSECS = 500; // for realtime graphs, the time (x axis) advances at this pace
+const LIVE_REFRESH_INTERVAL_MSECS = 1000; // for realtime graphs, the time (x axis) advances at this pace
 
 const graphNode = useTemplateRef('graphNode');
 
diff --git a/dashboard/src/components/SystemMetrics.vue b/dashboard/src/components/SystemMetrics.vue
index 181fce247..1c2e588ad 100644
--- a/dashboard/src/components/SystemMetrics.vue
+++ b/dashboard/src/components/SystemMetrics.vue
@@ -40,10 +40,8 @@ let systemMemory = {};
 let systemCpus = {};
 let metricStream = null;
 
-const LIVE_REFRESH_INTERVAL_MSECS = 500;
-
 async function liveRefresh() {
-  metricStream = await systemModel.getMetricStream(LIVE_REFRESH_INTERVAL_MSECS);
+  metricStream = await systemModel.getMetricStream();
   metricStream.onerror = (error) => console.log('event stream error:', error);
   metricStream.onmessage = (message) => {
     const data = JSON.parse(message.data);
diff --git a/dashboard/src/models/SystemModel.js b/dashboard/src/models/SystemModel.js
index 41bf4a42c..356fe0420 100644
--- a/dashboard/src/models/SystemModel.js
+++ b/dashboard/src/models/SystemModel.js
@@ -94,8 +94,8 @@ function create() {
       if (error || result.status !== 200) return [error || result];
       return [null, result.body];
     },
-    async getMetricStream(intervalMsecs) {
-      return new EventSource(`${API_ORIGIN}/api/v1/system/metricstream?access_token=${accessToken}&intervalMsecs=${intervalMsecs}`);
+    async getMetricStream() {
+      return new EventSource(`${API_ORIGIN}/api/v1/system/metricstream?access_token=${accessToken}`);
     }
   };
 }
diff --git a/src/metrics.js b/src/metrics.js
index 5531973e9..a291d9959 100644
--- a/src/metrics.js
+++ b/src/metrics.js
@@ -386,7 +386,7 @@ async function getSystem(options) {
 async function getSystemStream(options) {
     assert.strictEqual(typeof options, 'object');
 
-    const intervalMsecs = options.intervalMsecs || 5000;
+    const INTERVAL_MSECS = 1000;
     let intervalId = null, oldMetrics = null;
 
     const metricsStream = new Readable({
@@ -402,11 +402,11 @@ async function getSystemStream(options) {
         const [error, metrics] = await safe(readSystemMetrics());
         if (error) return metricsStream.destroy(error);
 
-        const cpuPercent = oldMetrics ? (metrics.userMsecs + metrics.sysMsecs - oldMetrics.userMsecs - oldMetrics.sysMsecs) * 100 / intervalMsecs : null;
-        const blockReadRate = oldMetrics ? (metrics.blockRead - oldMetrics.blockRead) / (intervalMsecs/1000) : null;
-        const blockWriteRate = oldMetrics ? (metrics.blockWrite - oldMetrics.blockWrite) / (intervalMsecs/1000) : null;
-        const networkReadRate = oldMetrics ? (metrics.networkRead - oldMetrics.networkRead) / (intervalMsecs/1000) : null;
-        const networkWriteRate = oldMetrics ? (metrics.networkWrite - oldMetrics.networkWrite) / (intervalMsecs/1000) : null;
+        const cpuPercent = oldMetrics ? (metrics.userMsecs + metrics.sysMsecs - oldMetrics.userMsecs - oldMetrics.sysMsecs) * 100 / INTERVAL_MSECS : null;
+        const blockReadRate = oldMetrics ? (metrics.blockRead - oldMetrics.blockRead) / (INTERVAL_MSECS/1000) : null;
+        const blockWriteRate = oldMetrics ? (metrics.blockWrite - oldMetrics.blockWrite) / (INTERVAL_MSECS/1000) : null;
+        const networkReadRate = oldMetrics ? (metrics.networkRead - oldMetrics.networkRead) / (INTERVAL_MSECS/1000) : null;
+        const networkWriteRate = oldMetrics ? (metrics.networkWrite - oldMetrics.networkWrite) / (INTERVAL_MSECS/1000) : null;
 
         oldMetrics = metrics;
 
@@ -426,7 +426,7 @@ async function getSystemStream(options) {
             networkReadTotal: metrics.networkRead,
             networkWriteTotal: metrics.networkWrite,
         });
-    }, intervalMsecs);
+    }, INTERVAL_MSECS);
 
     return metricsStream;
 }
diff --git a/src/routes/system.js b/src/routes/system.js
index 85f7d6b46..bbf3582dd 100644
--- a/src/routes/system.js
+++ b/src/routes/system.js
@@ -134,10 +134,7 @@ async function getMetrics(req, res, next) {
 async function getMetricStream(req, res, next) {
     if (req.headers.accept !== 'text/event-stream') return next(new HttpError(400, 'This API call requires EventStream'));
 
-    const intervalMsecs = typeof req.query.intervalMsecs !== 'undefined' ? parseInt(req.query.intervalMsecs, 10) : 5000;
-    if (!intervalMsecs || intervalMsecs < 100) return next(new HttpError(400, 'intervalSecs query param must be atleast 100'));
-
-    const [error, metricStream] = await safe(metrics.getSystemStream({ intervalMsecs }));
+    const [error, metricStream] = await safe(metrics.getSystemStream({}));
     if (error) return next(BoxError.toHttpError(error));
 
     res.writeHead(200, {