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議程1 - 每日13億條日誌系統的奮鬥史 - 盧利雄

tags: `GopherCon TW 2020` `Agenda`

歡迎來到 https://hackmd.io/@Golang-Taipei/GopherCon2020 共筆

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點擊本頁上方的開始用 Markdown 一起寫筆記！
手機版請點選上方按鈕展開議程列表。

[投影片連結]### [投影片連結]

請從這裡開始

zap，Uber開發的錯誤處理套件
使用Kibana

追蹤碼

MD5太長，改用TwitterID

TraceCode using Twitter ID = base62(unix time + pid + seq)

選用base62原因是還可以維持可讀性

錯誤處理

case: 扣除這位用戶10塊錢，解析token他是userA，扣除userA 10塊錢的失敗
原本的錯誤處理：return error code -> 給客戶端錯誤、追蹤碼
改善的錯誤處理：輸出原始request、error msg、trace code -> 封裝該錯誤、客戶端可見的錯誤訊息

i18n

Cheatsheet

Syntax	Example	Reference
# Header	Header	基本排版
- Unordered List	Unordered List
1. Ordered List	Ordered List
- [ ] Todo List	Todo List
> Blockquote	Blockquote
Bold font	Bold font
Italics font	Italics font
~~Strikethrough~~	~~Strikethrough~~
19^th^	19^th
H~2~O	H₂O
++Inserted text++	Inserted text
==Marked text==	Marked text
[link text](https:// "title")	Link
![image alt](https:// "title")	Image
`Code`	`Code`	在筆記中貼入程式碼
```javascript var i = 0; ```	`var i = 0;`	在筆記中貼入程式碼
:smile:		Emoji list
{%youtube youtube_id %}	Externals
$L^aT_eX$	L^aT_eX
:::info This is a alert area. :::	This is a alert area.

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