# 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/2gxixka
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RocketMQ 事務消息解析！**
單體架構下的事務在單體系統的開發過程中，假如某個場景下需要對數據庫的多張表進行操作，爲了保證數據的一致性，一般會使用事務，將所有的操作全部提交或者在出錯的時候全部回滾。以創建訂單爲例，假設下單後需要做兩個操作： 在訂單表生成訂單。 在積分表增加本次訂單增加的積分記錄。在單體架構下只需使用@Transactional開啓事務，就可以保證數據的一致性。    @Transactional ⌘ Read more