# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/5fgvo5a
京東面試現場:10 億非法 Key 攻擊如何防禦緩存穿透?這份答案讓我當場拿 Offer!**
“你的系統能扛住每秒 10 萬次非法請求嗎?” 京東三面現場,面試官突然拋出一道高壓題。 剛畢業的小王手心冒汗,腦海中閃過無數方案卻又一一否決。 今天,我們就拆解這道價值 30k 的面試題——十億級非法 Key 攻擊防禦術,文末附可直接複用的代碼模板!一、面試官到底在問什麼? 面試官視角: 1. 你是否經歷過真實高併發場景? 2. 能否識別緩存體系致命漏洞? 3. 能 ⌘ Read more