# 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/c32uxhq
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京東面試：億級黑名單 如何設計？億級查重呢？（答案含：布隆過濾器、布穀鳥過濾器）**
首先回顧一下：四大統計（基數統計，二值統計，排序統計、聚合統計）的原理 和應用場景-----------------------------------------尼恩這邊的文章都有一個 基本的規則，從最爲基礎的講起。先看看 常見的四大統計。億級海量數據查重，如何實現 ？涉及的是四大統計其中的 二值統計億級海量數據黑名單 ，如何存儲？涉及的也是四大統計其中的 二值統計第 1 大統計：基數統計基數（ ⌘ Read more