From 6b65a0c998d9fadc5820ef5b5d6d1b79858f6b7f Mon Sep 17 00:00:00 2001
From: loganhz <logan@rancher.com>
Date: Thu, 14 Mar 2019 09:37:08 +0800
Subject: [PATCH] Fix graph oom issue

https://github.com/rancher/rancher/issues/18883
---
 .../addon/components/graph-area/component.js     | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/lib/shared/addon/components/graph-area/component.js b/lib/shared/addon/components/graph-area/component.js
index 5fed4378d..4ff2a3593 100644
--- a/lib/shared/addon/components/graph-area/component.js
+++ b/lib/shared/addon/components/graph-area/component.js
@@ -105,6 +105,7 @@ export default Component.extend(ThrottledResize, {
     const chart = get(this, 'chart');
 
     if ( chart ) {
+      chart.clear();
       chart.dispose();
     }
   },
@@ -153,10 +154,10 @@ export default Component.extend(ThrottledResize, {
 
     set(this, 'chart', chart);
     chart.showLoading(LOADING_PARAMS);
-    this.draw();
+    this.draw(false);
   },
 
-  draw() {
+  draw(update = true) {
     const chart = get(this, 'chart');
 
     if ( !chart ) {
@@ -247,7 +248,16 @@ export default Component.extend(ThrottledResize, {
       option.yAxis.max = minMax;
     }
 
-    chart.setOption(option, true);
+    let newOptions;
+
+    if ( update ) {
+      newOptions = { series };
+    } else {
+      newOptions = option;
+    }
+
+    chart.clear();
+    chart.setOption(newOptions, true);
 
     chart.hideLoading();
   },