# 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/vne7knq
yue-fang-readfog-go
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Go 最細節篇｜內存回收又踩坑了**
背景提要分享一個 GC 相關的踩坑實踐。公司線上某組件內存資源泄漏，偶發 oom 。通過 Go 的 pprof 排查，很快速定位到泄漏的數據結構 A ，結構 A 的相關資源是通過 Go 的 Finalizer 機制來釋放的。但詭異的來了，對照着代碼審視了多次之後，大家一致斷定，這段代碼絕對沒有泄漏的問題。但是，事實勝於雄辯，現實就是泄漏就在此處。想不通。。。幾天之後，問題的轉機來自於另一個毫不相 ⌘ Read more