[GitHub] tiasen opened a new issue #8332: 内存泄露，移动端使用后卡顿

[GitBox <gi...@apache.org>]

tiasen opened a new issue #8332: 内存泄露，移动端使用后卡顿
URL: https://github.com/apache/incubator-echarts/issues/8332
 
 
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   ### One-line summary [问题简述]
   
    ionic使用echarts后(测试非ionic使用也会出现相同问题)，内存泄露（如图），单个页面图表多的话，导致移动端页面非常卡顿
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:3.8.3
   + Browser version [浏览器类型和版本]:webview
   + OS Version [操作系统类型和版本]:Android/IOS
   
   
   
   
   
   ### Expected behaviour [期望结果] 
    页面绘制结束后，内存不再增长，保证性能
   
   
   
   ### ECharts option [ECharts配置项]
   <!-- Copy and paste your 'echarts option' here. -->
   <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
   ```javascript
   option ={
       "grid": {
           "top": 50,
           "bottom": 50
       },
       "radar": {
           "name": {
               "textStyle": {
                   "color": "#fff"
               },
               "fontSize": 10
           },
           "indicator": [
               {
                   "name": "总收入",
                   "min": 0,
                   "max": 1.0402
               }, {
                   "name": "邮政申诉率",
                   "min": 0,
                   "max": 0.5556
               }, {
                   "name": "万票有责服务投诉",
                   "min": 0,
                   "max": 0.5556
               }, {
                   "name": "异常网点",
                   "min": 0,
                   "max": 0.6667
               }, {
                   "name": "百万件遗失",
                   "min": 0,
                   "max": 0.6667
               }, {
                   "name": "超3天积压件",
                   "min": 0,
                   "max": 0.625
               }
           ],
           "splitNumber": 1,
           "splitLine": {
               "show": false
           },
           "splitArea": {
               "areaStyle": {
                   "color": "#fff",
                   "opacity": 0.2
               }
           },
           "axisLine": {
               "lineStyle": {
                   "color": "rgba(255,255,255,0.1)"
               }
           }
       },
       "series": [
           {
               "type": "radar",
               "symbolSize": 0,
               "clockwise": true,
               "lineStyle": {
                   "normal": {
                       "width": 1,
                       "type": "dotted"
                   }
               },
               "data": [
                   {
                       "value": [
                           0.8016,
                           0.5556,
                           0.5519,
                           0.2927,
                           0.3489,
                           0.3915
                       ],
                       "lineStyle": {
                           "normal": {
                               "type": "solid",
                               "width": 1
                           }
                       },
                       "areaStyle": {
                           "normal": {
                               "opacity": 0.4
                           }
                       },
                       "silent": true
                   },
                   [
                       0.9589,
                       0.4545,
                       0.453,
                       0.3333,
                       0.4,
                       0.4167
                   ],
                   [
                       1,
                       0.5,
                       0.5,
                       0.5,
                       0.5,
                       0.5
                   ],
                   [
                       1.0402,
                       0.5556,
                       0.5556,
                       0.6667,
                       0.6667,
                       0.625
                   ]
               ]
           }
       ],
       "color": ["#BA55D3", "#ff2222", "rgb(255,216,57) ", "#32db64"]
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   ![menu saveimg savepath20180513180749](https://user-images.githubusercontent.com/20390265/39966099-c4322dc2-56d8-11e8-9779-bd75047476dc.jpg)
   

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