# 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/3dmyclq
聊聊 Flink:Flink 的狀態管理**
一、Flink 的狀態是什麼?---------------我們知道,Flink 的一個算子可能會有多個子任務,每個子任務可能分佈在不同的實例(即 slot)上,我們可以把 Flink 的狀態理解爲某個算子的子任務在其當前實例上的一個變量,該變量記錄了流過當前實例算子的歷史記錄產生的結果。當新數據記錄流入時,我們需要結合該結果(即狀態,State)來進行計算。實際上,Flink 的狀態是由算子的子 ⌘ Read more