# 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/pv5me6q
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1 號店的抽獎系統架構實踐（限流削峯到性能優化）**
你好，我是悟空。------------抽獎是一個典型的高併發場景應用，平時流量不多，但遇到大促活動，流量就會暴增，今年的週年慶期間的日均 UV 就超過百萬。在過去的一年裏，負責過這個項目的多次重構工作，期間各種踩坑無數，就以此文當做總結，來聊聊我們是如何架構這個高併發系統吧。------------------------------------------------------------- ⌘ Read more