# 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/3vlg6ca
DDIA:數據庫導出就變成了流**
我們已經對比了消息代理和數據庫的諸多方面。在傳統上,他們被認爲是兩個完全不同類別的系統,但在之前小節的分析我們看到,基於日誌的消息系統中成功地從數據庫中借鑑了許多經驗。其實,我們也可以有另外一條路,從消息系統中借鑑一些思想,應用到數據庫中。我們在之前提到過,事件(event)是對某個時間點發生的事情記錄。事件可以是一個用戶行爲(如,一次搜索),可以是傳感器數值,但其實也可以是寫入數據庫(write ⌘ Read more