golangã¨Dockerã¨OOM — KaoriYagolangã§æ›¸ã„ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’Dockerã§å‹•ã‹ã—OOMãŒç™ºç”Ÿã—ãŸéš›ã«ãªã‚‹ã¹ãæƒ…å ±ã‚’æ®‹ã—ã¦æ®ºã•ã‚Œã‚‹æ–¹æ³•ã‚’紹介ã—ã¾ã™ã€‚ 2020/08/16追記: ã“ã®è¨˜äº‹ã®å†…容ã¯golangã«é–¢ã—ã¦ã¯ã‚„ã‚„ç¾å®Ÿçš„ã§ã¯ãªããªã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ 詳ã—ãã¯ç¶šç·¨ã‚’å‚ç…§ã—ã¦ãã ã•ã„。 TL;DR golang製ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ä»®æƒ³ãƒ¡ãƒ¢ãƒª(VSZ)ã®ç¢ºä¿ã«å¤±æ•—ã™ã‚‹ã¨goroutineã®ãƒ€ãƒ³ãƒ—ã‚’åã„ã¦æ»ã¬ Dockerã®OOMã¯RSSベースã§æ¤œå‡ºæ™‚ã«SIGKILLを投ã’ã¦ãã‚‹ Docker利用時ã«VSZã§åˆ¶é™ã‚’ã‹ã‘るスクリプトを書ã„㟠golang製ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯linux-amd64ã«ãŠã„ã¦æœ€ä½Žã§ã‚‚101MBã®VSZã‚’è¦æ±‚ã™ã‚‹ VSZã®åˆ¶é™ãŒãれよりå°ã•ã„ã¨å½“然起動ã§ããªã„ 実際ã®RSSã¯3MB程度ã§èµ·å‹•ã™ã‚‹ Background コンテナ内ã§å‹•ã„ã¦ã„るプãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ä¸Šã®golang製ã®ãƒ—ãƒã‚°ãƒ©ãƒ ãŒæ™‚々OOMã«æ®ºã•ã‚Œã¦
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