# 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/wnsr6cq
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Twitter 如何優化處理 4000 億事件的流程**
引言Twitter 實時處理大約 4000 億事件，並每天生成一個 PB（petabyte）的數據。Twitter 從多種事件源消費數據，例如分佈式數據庫、Kafka、Twitter 事件總線等。Twitter 訂閱源中的事件調用示例在這篇文章中，我們將嘗試理解：1.Twitter 過去是如何處理事件的，以及那種方法存在哪些問題？2. 是什麼業務和客戶影響促使 Twitter 遷移到新架構？3. ⌘ Read more