# 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/q3vuevq
系統隔離:如何應對高併發流量衝擊?**
在一次活動中,系統出現了大規模崩潰情況。活動開始時,約有五萬學員同時進行操作,大量請求瞬間湧向服務器,使得服務端出現大量請求堆積,最終系統資源耗盡而停止響應。我們不得不重啓服務,並對接口實施限流措施,服務才得以恢復正常。究其原因,我們習慣將公用功能和數據做成內網服務。這種方式雖能提高服務的複用性,卻也使我們的服務高度依賴內網服務。當外網受到流量衝擊時,內網會受到放大流量的衝擊,過高的流量極易導致內 ⌘ Read more