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使用appendData分多次(每次数据量大概1万5，总数据量50万-150万+)渲染数据，会导致整个页面很卡顿，cpu达到120%-250%左右！

3

### Version 4.0 ### Steps to reproduce 使用appendData分批加载数据，并且sampling设置为默认，即不做降采样策略，如果做这个的话会影响整体的曲线。 ### What is expected? 期望能够顺畅加载，不卡顿 ### What is actually happening? 页面很卡顿，导致cpu一直飙涨 ### Any additional comments? (optional) ``` function getConfig() { const legendData...

ZhuYumo1020

ScatterGL points get blurred when zooming in

4

### Version 4.7.0 ### Steps to reproduce Using series ScatterGL, symbolSize is changed dynamically (increase when zooming in, decrease when zooming out). And zooming the chart some level, the points...

ngoc308

Cannot stack bars on time x-axis

27

### One-line summary [问题简述] Stacked bar charts collapsed since 4.0.3. See screenshot. ### Version & Environment [版本及环境] + ECharts version [ECharts 版本]: 4.0.4 + Browser version [浏览器类型和版本]: Chrome 64 +...

ghost

[Bug] toolbox.feature.dataZoom.yAxisIndex is not working as mentioned in API document

2

### Version 5.3.3 ### Link to Minimal Reproduction https://codesandbox.io/s/multiple-y-axes-forked-qrb7ll?file=/index.js ### Steps to Reproduce 1. Create a chart with multiple Y-Axis(3 Y-Axis) 2. I want to use Data area zooming, so...

amitknit09

[Bug] `toolbox.dataZoom` 自定义缩放按钮

1

### Version 5.3.3 ### Link to Minimal Reproduction https://codesandbox.io/s/quizzical-chatelet-thnn6r?file=/src/index.js ### Steps to Reproduce 点击「开启缩放」按钮，鼠标在 echarts 图上拖动时，对应 handler 不生效。 仅在绘制的线段上拖动时才会生效。 ### Current Behavior 点击「开启缩放」按钮，鼠标在 echarts 图上拖动时，对应 handler 不生效。 仅在绘制的线段上拖动时才会生效。 ### Expected...

wmasfoe

[Feature] series.data可以增加tooltip配置项，以便于配置单个数据项的tooltip的valueFormatter或其他tooltip配置吗？

1

### What problem does this feature solve? 如题 ### What does the proposed API look like? series.data

yangjie-zzu

Unable to access 'getModel' function in typescript

3

### Version 5.2.2 ### Link to Minimal Reproduction _No response_ ### Steps to Reproduce 1. Create any chart 2. on the chart finish event . I am trying to access...

RavalikaP

### What problem does this feature solve? When Symbol is SVG, only the SVG paths will generate a click event. so the User need to be precise in order to...

ayashjorden

### Version 5.3.3 ### Link to Minimal Reproduction _No response_ ### Steps to Reproduce Create a line chart with a few series and animations turned off which is periodically updated...

JakubRaban

[Bug] setOption took a long time. And block UI process.

2

### Version 5.3.3 ### Link to Minimal Reproduction _No response_ ### Steps to Reproduce setOption took a long time. I think maybe there are some diff process need to take...

jianqi-jin