# 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/hqr43ka
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高可用存儲架構：集羣和分區**
主備、主從、和主主架構都基於一個共同的前提：主機需要有能力存儲所有數據。然而，主機的存儲和處理容量是有限的。以歷史發展爲例，Intel 386 時代的服務器僅能存儲幾百 MB 數據，到了 Intel 奔騰時代則能夠存儲幾十 GB，而進入 Intel 酷睿多核時代後，服務器的存儲能力增加到了數 TB。儘管從硬件發展角度看，存儲能力的提升速度相當快，但與業務需求的增長速度相比，這種提升還是遠遠不夠。例 ⌘ Read more