Fw: [公告] 關於最近容易過載的情形
※ [本文轉錄自 SYSOP 看板 #1MMdaE7v ]
作者: wens (文思) 看板: SYSOP
標題: [公告] 關於最近容易過載的情形
時間: Sun Nov 29 12:03:24 2015
近期 Ptt 常有過載的情形,目前觀察並沒有受到攻擊的情形。
造成這個情形的原因可能有二:
1. 新版作業系統核心部分效能較之前略低 (11/24 更新過後)
2. 近期越來越多使用者改用 ssh 連線,加以使用手機 App 上站的使用者
也越來越多,耗用的系統效能也會增加。
目前僅先以調整系統參數的方式因應。
近期內會研究登入相關的程式碼降低高登入量的影響。
wens
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 140.112.30.76
※ 文章網址: https://www.ptt.cc/bbs/SYSOP/M.1448769806.A.1F9.html
※ IronCube:轉錄至看板 Gossiping 11/29 12:05
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※ KKALI:轉錄至看板 WomenTalk 11/29 12:05
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※ s5048218:轉錄至看板 PttNewhand 11/29 12:09
※ s5048218:轉錄至看板 PttBug 11/29 12:09
※ s5048218:轉錄至看板 PttHistory 11/29 12:09
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(遮臉)
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做什麼壞事? 用 SSH 連線比較安全啊? 為什麼要關?
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※ 編輯: wens (140.112.30.76), 11/29/2015 13:02:50
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SSH 跟 telnet 是從兩支不同的程式進來的,telnet那邊是統一一支 logind 收連線,
你用不同 port 不會有差。這支程式本身就有負載控管,登入成功後會把連線pass給後面
mbbsd 程式,目前常遇到的一問狀況是這中間 mbbsd收連線的緩衝區滿了,logind就會跟
你說系統過載。SSH 沒這段問題,但SSH 連線速度本身也有限制,所以兩邊都必須要做些
調整。
對程式有疑問可以自己去看原始碼。
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※ 編輯: wens (140.112.30.76), 11/29/2015 14:03:23
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掛網沒差,人真的滿的時候系統會開始踢人。目前還沒滿。
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※ 編輯: wens (140.112.30.76), 11/29/2015 14:04:14
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※ anisemyc:轉錄至看板 Calcio 11/29 15:23
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※ 發信站: 批踢踢實業坊(ptt.cc)
※ 轉錄者: eljoven (153.229.249.27), 11/29/2015 18:12:31
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