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performanceã«é–¢ã™ã‚‹zyxwvã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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6ä¸‡ãƒŸãƒªç§’ã§ã§ãã‚‹Linuxãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åˆ†æž | Yakst
Netflixã®ã‚·ãƒ‹ã‚¢ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒˆã§ã‚ã‚‹Brendan Greggæ°ã«ã‚ˆã‚‹ã€Linuxã‚µãƒ¼ãƒã«ãƒã‚°ã‚¤ãƒ³ã—ã¦60ç§’ã§ã¾ãšèª¿ã¹ã‚‹ã“ã¨ã®ã¾ã¨ã‚ã€‚ ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡Œã§Linuxã‚µãƒ¼ãƒãƒ¼ã«ãƒã‚°ã‚¤ãƒ³ã—ãŸã¨ã—ã¦ã€æœ€åˆã®1åˆ†ã§ä½•ã‚’èª¿ã¹ã¾ã™ã‹ï¼Ÿ Netflixã«ã¯ã€å¤šæ•°ã®EC2 Linuxã‹ã‚‰ãªã‚‹ã‚¯ãƒ©ã‚¦ãƒ‰ãŒã‚ã‚Šã€ãã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’ç›£è¦–ã—ãŸã‚Šèª¿æŸ»ã—ãŸã‚Šã™ã‚‹ãŸã‚ã®æ•°ã€…ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹åˆ†æžãƒ„ãƒ¼ãƒ«ãŒã‚ã‚Šã¾ã™ã€‚ãã®ä¸ã«ã¯ã€ã‚¯ãƒ©ã‚¦ãƒ‰å…¨ä½“ã«ã‚ãŸã‚‹ç›£è¦–ã‚’è¡Œã†Atlasã‚„ã€ã‚ªãƒ³ãƒ‡ãƒžãƒ³ãƒ‰ã«ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã®åˆ†æžã‚’è¡Œã†VectorãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã‚‰ã®ãƒ„ãƒ¼ãƒ«ã¯å¤šãã®å•é¡Œã‚’è§£æ±ºã™ã‚‹æ‰‹åŠ©ã‘ã‚’ã—ã¦ãã‚Œã¾ã™ãŒã€å„ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ã«ãƒã‚°ã‚¤ãƒ³ã—ã€æ¨™æº–çš„ãªLinuxãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒ„ãƒ¼ãƒ«ã‚’å®Ÿè¡Œã™ã‚‹å¿…è¦ãŒã‚ã‚‹å ´åˆã‚‚ã‚ã‚Šã¾ã™ã€‚ ã“ã®è¨˜äº‹ã§ã¯ã€ã™ãä½¿ãˆã‚‹ã¯ãšã®æ¨™æº–çš„Linuxãƒ„ãƒ¼ãƒ«ã‚’ä½¿ã„ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã«ãŠã„ã¦ã€æœ€é©åŒ–ã•ã‚ŒãŸãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹èª¿æŸ»ã‚’
zyxwv 2024/07/10
linux

performance
ãƒªãƒ³ã‚¯
CPUä½¿ç”¨çŽ‡ã¯é–“é•ã£ã¦ã„ã‚‹ | Yakst
Netflixã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã§ã‚ã‚‹ç†è€…ã‹ã‚‰ã®ã€topã‚³ãƒžãƒ³ãƒ‰ãªã©ã§è¡¨ç¤ºã•ã‚Œã‚‹CPUä½¿ç”¨çŽ‡(%CPU)ã¯ã€ã„ã¾ã‚„æœ¬å½“ã®ä½¿ç”¨çŽ‡ã‚’è¡¨ã—ã¦ãŠã‚‰ãšã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ãªã©ã®ãŸã‚ã®æŒ‡æ¨™ã¨ã—ã¦ä½¿ãˆãªã„ã¨ã„ã†æŒ‡æ‘˜ã€‚ãªãœãã†ãªã£ã¦ã—ã¾ã£ãŸã®ã‹ã€ä½•ã‚’è¦‹ã‚Œã°æœ¬å½“ã®CPUä½¿ç”¨çŽ‡ãŒã‚ã‹ã‚‹ã®ã‹ã‚’ã‚ã‹ã‚Šã‚„ã™ãè§£èª¬ã—ãŸè¨˜äº‹ã€‚ ç§ãŸã¡ã¿ã‚“ãªãŒCPUä½¿ç”¨çŽ‡ã¨ã—ã¦ä½¿ã£ã¦ã„ã‚‹æŒ‡æ¨™ã¯éžå¸¸ã«èª¤è§£ã‚’æ‹›ãã‚‚ã®ã§ã€ã“ã®çŠ¶æ³ã¯æ¯Žå¹´æ‚ªåŒ–ã—ã¦ã„ã¾ã™ã€‚CPUä½¿ç”¨çŽ‡ã¨ã¯ä½•ã§ã—ã‚‡ã†ã‹ï¼Ÿãƒ—ãƒã‚»ãƒƒã‚µãƒ¼ãŒã©ã®ãã‚‰ã„å¿™ã—ã„ã‹ï¼Ÿé•ã„ã¾ã™ã€‚CPUä½¿ç”¨çŽ‡ãŒè¡¨ã—ã¦ã„ã‚‹ã®ã¯ãã‚Œã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ç§ãŒè©±ã—ã¦ã„ã‚‹ã®ã¯ã€ã‚ã¡ã“ã¡ã§ã€ã‚ã‚‰ã‚†ã‚‹äººãŸã¡ã«ã€ã‚ã‚‰ã‚†ã‚‹ç›£è¦–è£½å“ã§ã€ã‚ã‚‹ã„ã¯top(1)ã§ã‚‚ä½¿ã‚ã‚Œã¦ã„ã‚‹ã€"%CPU"ã¨ã„ã†æŒ‡æ¨™ã®ã“ã¨ã§ã™ã€‚ ã‚ãªãŸã®è€ƒãˆã¦ã„ã‚‹ã§ã‚ã‚ã†CPUä½¿ç”¨çŽ‡90% : å®Ÿéš› : "stalled"(è¨³æ³¨ : ä»¥ä¸‹ã‚¹ãƒˆãƒ¼ãƒ«ã¨è¨€ã†)ã¨ã¯ã€ãƒ—ãƒã‚»ãƒƒã‚µãƒ¼ãŒ
zyxwv 2024/07/10
cpu

ipc

linux

performance
ãƒªãƒ³ã‚¯
http://www.brendangregg.com/Perf/linux_perf_tools_full.png
zyxwv 2021/02/12
performance

linux
ãƒªãƒ³ã‚¯
Writing Fast Ruby
Originally presented at Baruco 2014. Updated for RubyConf Portugal 2014. Video here: https://www.youtube.com/watch?v=fGFM_UrSp70.
zyxwv 2014/10/15
ruby

performance
ãƒªãƒ³ã‚¯
ã‚³ãƒžãƒ³ãƒ‰ã«ã‚ˆã‚‹ã€Œè² è·ã€ã®åŽŸå› åˆ‡ã‚Šåˆ†ã‘
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zyxwv 2014/08/19
linux

performance
ãƒªãƒ³ã‚¯
1