[B! performance] umiyoshã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

umiyosh id:umiyosh

performanceã«é–¢ã™ã‚‹umiyoshã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (15)

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10msä»¥ä¸‹ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã‚¿ã‚¤ãƒ ã‚’æ”¯ãˆã‚‹ç¶™ç¶šçš„è² è·ãƒ†ã‚¹ãƒˆ - taketo957ã®æ—¥è¨˜
ã“ã®è¨˜äº‹ã¯ã€ã¯ã¦ãª ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼2016ã®12æœˆ18æ—¥ã®è¨˜äº‹ã§ã™ã€‚ ã¯ã¦ãª ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼2016ã‚’å§‹ã‚ã¾ã™ - Hatena Developer Blog æ˜¨æ—¥ã¯id:ikesyoã•ã‚“ã®ã€Œã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹æ´»å‹•ã¸ã®å–ã‚Šçµ„ã¿æ–¹ã€ã§ã—ãŸã€‚ ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹æ´»å‹•ã¸ã®å–ã‚Šçµ„ã¿æ–¹ - Hatena Developer Blog ã“ã‚“ã«ã¡ã¯ã€‚ã¯ã¦ãªã§Webã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã¨ã—ã¦åƒã„ã¦ã„ã‚‹id:taketo957ã§ã™ã€‚ 2016å¹´ã®4æœˆã«æ–°å’ã¨ã—ã¦å…¥ç¤¾ã—ã¦ã‹ã‚‰ã¯ã€ç¤¾å†…ã®ä»®æƒ³åŒ–åŸºç›¤ã®ãƒªã‚½ãƒ¼ã‚¹æœ€é©åŒ–ã«å–ã‚Šçµ„ã‚“ã§ã¿ãŸã‚Šã€ speakerdeck.com ç¤¾å†…ã®åºƒå‘Šé…ä¿¡ã‚·ã‚¹ãƒ†ãƒ ã®åˆ·æ–°ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«é–¢ã‚ã£ã¦ãã¾ã—ãŸã€‚ speakerdeck.com æœ¬è¨˜äº‹ã§ã¯åºƒå‘Šé…ä¿¡ã‚·ã‚¹ãƒ†ãƒ ã®åˆ·æ–°ã‚’è¡Œã†ä¸ã§å–ã‚Šçµ„ã‚“ã è² è·è©¦é¨“ç’°å¢ƒã‚’æ§‹ç¯‰ã™ã‚‹éš›ã«è€ƒãˆãŸã“ã¨ã¨ã€Œç¶™ç¶šçš„ã«ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ”¹å–„ã‚’è¡Œã†ãŸã‚ã«ã¯
umiyosh 2016/12/19
Test

performance
ãƒªãƒ³ã‚¯
ç‰¹å®šæ¡ä»¶ä¸‹ã®clone(2)ã‚’4å€é€Ÿãã™ã‚‹ - äººé–“ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥
ã¨ã‚ã‚‹ã‚µãƒ¼ãƒã§å¦™ã«ã‚·ã‚¹ãƒ†ãƒ CPUã®ä½¿ç”¨çŽ‡ãŒé«˜ã„ç¾è±¡ãŒç½®ãã¦ãŠã‚Šã¾ã—ãŸã€‚ ãã“ã§ã€ã¾ãšã¯ã–ã£ãã‚Šã¨perf topã§ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã¨ã£ã¦ã¿ã‚‹ã¨ã€ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã£ã¦ã„ã¾ã—ãŸã€‚ 22.38% [kernel] [k] copy_pte_range 18.44% [kernel] [k] zap_pte_range 11.13% [kernel] [k] change_pte_range 3.58% [kernel] [k] page_fault 3.32% [kernel] [k] page_remove_rmap ã¾ãŸã€å„ãƒ—ãƒã‚»ã‚¹ã®straceã‚’çœºã‚ã¦ã„ã‚‹ã¨ã€cloneã§0.05ç§’ã¨ã‹ãªã‚Šæ™‚é–“ãŒã‹ã‹ã£ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ã“ã‚Œã ã¨å˜ç´”è¨ˆç®—ã§1ã‚³ã‚¢ã§ç§’é–“20å›žã®cloneã§ã‚³ã‚¢100%å æœ‰ã—ã¦ã—ã¾ã†ç¨‹åº¦ã®éžå¸¸ã«ä½Žé€Ÿãªå‡¦ç†ã—ã‹ã§ããªã„ã“ã¨ã«ãªã‚Šã¾ã™ã€‚ sudo strace -T -o/dev/stdo
umiyosh 2016/07/23
performance

linux
ãƒªãƒ³ã‚¯
GitHub - hashicorp/go-metrics: A Golang library for exporting performance and runtime metrics to external metrics systems (i.e. statsite, statsd)
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umiyosh 2016/03/17
performance

golang
ãƒªãƒ³ã‚¯
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‚’
umiyosh 2016/02/28
performance
ãƒªãƒ³ã‚¯
å®æ³¢é€¼æ‹˜æ—…è¡Œç¤¾
umiyosh 2015/02/12
linux

io

performance
ãƒªãƒ³ã‚¯
2010å¹´11æœˆ18æ—¥ã€€"ãƒŸãƒ©ã‚¯ãƒ«ãƒ‘ãƒƒãƒ"ã«Linusã‚‚å¤§å–œã³ï¼Linuxã‚«ãƒ¼ãƒãƒ«ã‚’é«˜é€ŸåŒ–ã•ã›ãŸ233è¡Œã®ã‚³ãƒ¼ãƒ‰ | gihyo.jp
Linux Daily Topics 2010å¹´11æœˆ18æ—¥"ãƒŸãƒ©ã‚¯ãƒ«ãƒ‘ãƒƒãƒ"ã«Linusã‚‚å¤§å–œã³ï¼Linuxã‚«ãƒ¼ãƒãƒ«ã‚’é«˜é€ŸåŒ–ã•ã›ãŸ233è¡Œã®ã‚³ãƒ¼ãƒ‰ Linus Torvaldsæ°ã¨ã„ã†äººã¯ã€å°‘ãªãã¨ã‚‚ãƒ¡ãƒ¼ãƒ«ã®ä¸ã§ã¯ã€ã‹ãªã‚Šã¯ã£ãã‚Šã¨æ„Ÿæƒ…ã‚’è¡¨ã«å‡ºã™ã€‚èª°ã‹orä½•ã‹ã«å¯¾ã—ã¦æ€’ã£ã¦ã„ã‚‹ã¨ãã¯ç›¸æ‰‹ã‚’åæŒ‡ã—ã§æ‰¹åˆ¤ï¼ˆã¨ã„ã†ã‚ˆã‚Šéžé›£ï¼‰ã—ã€é€†ã«ã†ã‚Œã—ã„ã¨ãã¯ã‚ãµã‚Œã‚‹å–œã³ã‚’éš ãã†ã¨ã—ãªã„ã€‚ä»Šå›žç´¹ä»‹ã™ã‚‹ã®ã¯å¾Œè€…ã®ã»ã†ã€‚ã€Œâ I'm also very happyã€ã€Œâ it is a _huge_ improvementã€ã€Œâ Good job.ã€ãªã©ã€å–œã³ã¨ç§°è³›ã®è¡¨ç¾ãŒãŸãã•ã‚“æ›¸ã‹ã‚Œã¦ã„ã‚‹ãƒ¡ãƒ¼ãƒ«ã ã€‚ Linusæ°ã‚’æ“å–œã•ã›ãŸã®ã¯ã€ã‚«ãƒ¼ãƒãƒ«é–‹ç™ºã«æºã‚ã‚‹Mike Galbraithæ°ãŒæ›¸ã„ãŸ233è¡Œã®ã‚«ãƒ¼ãƒãƒ«ã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒªãƒ³ã‚°ãƒ‘ãƒƒãƒã€‚ã“ã®ãƒ‘ãƒƒãƒã‚’é©ç”¨ã™ã‚‹ã¨ã€ãƒ‡ã‚¹ã‚¯ãƒˆãƒƒãƒ—ç’°å¢ƒã«ãŠã„ã¦ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒè‘—ã—ãå‘ä¸Šã™ã‚‹ã¨ã„ã†ã€‚
umiyosh 2010/11/19
Linux

Kernel

performance
ãƒªãƒ³ã‚¯
ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ã®é«˜é€ŸåŒ–ã®è£å´ - stanaka's blog
å…ˆé€±ã€ãƒ€ã‚¤ã‚¢ãƒªãƒ¼ãŒãƒªãƒ‹ãƒ¥ãƒ¼ã‚¢ãƒ«ã•ã‚Œã¾ã—ãŸã€‚ä»Šå›žã®ãƒªãƒ‹ãƒ¥ãƒ¼ã‚¢ãƒ«ã¯ãƒ€ã‚¤ã‚¢ãƒªãƒ¼ã®å¿œç”æ™‚é–“ã®æ”¹å–„ãŒç›®çŽ‰ã®ä¸€ã¤ã¨ãªã£ã¦ãŠã‚Šã€ãã®ãŸã‚ã«ï¼‘é€±é–“ãƒªãƒªãƒ¼ã‚¹ã‚’å»¶ã°ã—ã€æ”¹å–„ã®æ™‚é–“ã‚’ç¢ºä¿ã—ã¦ã„ã¾ã—ãŸã€‚ä»Šå›žã¯ã€ã“ã®æ”¹å–„ã«ã¤ã„ã¦è¨˜ã—ã¦ãŠãã¾ã™ã€‚ ã¯ã¦ãªã§ã¯ã€ŒæŽ¨æ¸¬ã™ã‚‹ãªã€è¨ˆæ¸¬ã›ã‚ˆã€ã®åŽŸå‰‡ã«ã—ãŸãŒã£ã¦ã€ãƒ€ã‚¤ã‚¢ãƒªãƒ¼ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ãƒšãƒ¼ã‚¸ã®å…¨ã‚¢ã‚¯ã‚»ã‚¹ã®å¿œç”æ™‚é–“ã‚’è§£æžã—ã€ãƒ’ã‚¹ãƒˆã‚°ãƒ©ãƒ ã‚’ä½œã£ã¦ã„ã¾ã™ã€‚ã¾ãŸã€ç‰¹å®šã®é–¾å€¤(1ç§’ã€2ç§’ã¨ã‹)ä»¥å†…ã«ä½•%ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’è¿”å´ã§ãã¦ã„ã‚‹å‰²åˆã‚’ã‚°ãƒ©ãƒ•åŒ–ã—ã¦ã„ã¾ã™ã€‚ ã“ã®ã‚°ãƒ©ãƒ•ã‚’è¦‹ã‚‹ã¨ã€å¿œç”æ™‚é–“æ™‚é–“ã¯æ™‚é–“ã¨ã¨ã‚‚ã«åŠ£åŒ–ã™ã‚‹ã“ã¨ãŒä¸€ç›®çžç„¶ã§ã™ã€‚å®Ÿéš›ã«ä»Šå¹´åˆã‚ã®å€¤ã¨æ¯”è¼ƒã™ã‚‹ã¨10%ã€œ20%ç¨‹åº¦ã®æ‚ªåŒ–ãŒç¢ºèªã•ã‚Œã¾ã—ãŸã€‚ã‚ã¨ã¯ã€ã“ã‚Œã‚’ã²ãŸã™ã‚‰æ”¹å–„ã—ã¦ã„ãã®ã¿ã§ã™ã€‚ä»Šå›žå®Ÿæ–½ã—ãŸä¸»ãªå¯¾ç–ã¯ã€ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ãŒç™ºç”Ÿã—ã¦ã„ã‚‹ã‚ˆã†ãªãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯çµŒè·¯ä¸Šã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã®è§£æ¶ˆ(L2ã‚¹ã‚¤ãƒƒãƒã®ç½®æ›ã€ç‰©
umiyosh 2010/06/05
performance

ã¯ã¦ãª
ãƒªãƒ³ã‚¯
ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®é€Ÿåº¦ã¨ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®é€Ÿåº¦ãŒã„ã‹ã«é–¢ä¿‚ãªã„ã‹ãŒã‚ã‹ã‚‹ã‚°ãƒ©ãƒ• - kãªã‚“ã¨ã‹ã®æ—¥è¨˜
ã¾ãšã¯æ¬¡ã®è¡¨ã‚’ã”è¦§ã‚ã‚Œã€‚ã“ã‚Œã¯ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã¨ã—ã¦æœ‰åãª Computer Language Benchmarks Game ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœã€‚ä¸Šã«ã„ãã»ã©é«˜é€Ÿã§ã€ä¸‹ã«è¡Œãã»ã©é…ã„è¨€èªžã«ãªã‚‹ã€‚ ã“ã‚Œã‚’è¦‹ã‚Œã°ã€æœ€é€Ÿãªè¨€èªžã¯ C/C++ ã§ã‚ã‚Šã€Java ã‚„ Haskell ã‚„ OCaml ã¨ã„ã£ãŸé™çš„ãªè¨€èªžã¯è»’ä¸¦ã¿ä¸Šä½ã«ç™»å ´ã™ã‚‹ã€‚ã“ã‚Œã«å¯¾ã—ã€Ruby ã‚„ Python ã‚„ PHP ã¨ã„ã£ãŸã‚¹ã‚¯ãƒªãƒ—ãƒˆã¯å…¨éƒ¨ä¸‹ã®ã»ã† (ã¤ã¾ã‚Šé…ã„)ã€‚ãã®é€Ÿåº¦å·®ã¯éžå¸¸ã«å¤§ããã€ã“ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã§è¦‹ã‚‹ã¨ Python3 ã‚„ Ruby1.9 ã¯ C/C++ ã®ç´„50å€ã‹ã‚‰60å€é…ãã€Perl ã¯ç´„90å€ã€PHP ã«ã„ãŸã£ã¦ã¯ç´„130å€é…ã„ã“ã¨ã«ãªã‚‹ã€‚ (ã¡ãªã¿ã« JIT ã¤ãã® Lua ãŒé©šç•°çš„ã«é«˜é€Ÿãªã®ãŒç›®ã‚’ã²ãã€‚ã“ã®çµæžœãŒæœ¬å½“ã ã¨ã—ãŸã‚‰ã€è¨€èªžã®é€Ÿåº¦ã«å¤§ããé–¢ä¿‚ã™ã‚‹ã®ã¯å‹•çš„ã‹é™çš„ã‹ã§ã¯ãªãã€ã©ã‚Œ
umiyosh 2010/04/30
performance

programming
ãƒªãƒ³ã‚¯
ã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªžã®æ¯ã®æ ¹ã‚’æ¢ã‚ã‚‹ã®ã¯æ¡ˆå¤– SSD ã‹ã‚‚ãª - kwatchã®æ—¥è¨˜
å¤§å¤‰ãŸã„ã¸ã‚“èˆˆå‘³æ·±ã„è¨˜äº‹ã€‚å…¨ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ã«ã¨ã£ã¦ã€‚ HDDã®ä»£ã‚ã‚Šã«SSDã‚’åˆ©ç”¨ã—ãŸã‚‰ã€ãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒŠãƒ«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ€§èƒ½ã¯ã©ã‚Œã ã‘å‘ä¸Šã™ã‚‹ã®ã§ã—ã‚‡ã†ã‹ï¼Ÿ ã‚ªãƒ©ã‚¯ãƒ«ã¨å¯Œå£«é€šãŒå…±åŒæ¤œè¨¼ã‚’è¡Œã„ã€ãã®çµæžœã‚’ãƒ›ãƒ¯ã‚¤ãƒˆãƒšãƒ¼ãƒ‘ãƒ¼ã¨ã—ã¦å…ˆé€±ç™ºè¡¨ã—ã¾ã—ãŸ ...(snip)... HDDã¯200ã‚¹ãƒ¬ãƒƒãƒ‰ã§æ€§èƒ½ãŒé æ‰“ã¡ãªã®ã«å¯¾ã—ã€SSDã¯200ã‚¹ãƒ¬ãƒƒãƒ‰ã‹ã‚‰300ã‚¹ãƒ¬ãƒƒãƒ‰ã«ãªã£ã¦ã‚‚ã¾ã æ€§èƒ½ã¯ä¸Šæ˜‡ã€‚ãŸã ã—ã€300ã‚¹ãƒ¬ãƒƒãƒ‰æ™‚ã«ã¯CPUåˆ©ç”¨çŽ‡ãŒ100ï¼…ã«è¿‘ã¥ã„ã¦ãŠã‚Šã€å…ˆã«CPUæ€§èƒ½ã®æ–¹ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã¨ãªã£ã¦ã—ã¾ã£ãŸã‚ˆã†ã§ã™ã€‚ HDDã‚’SSDã«ã—ãŸã‚‰ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¯ã©ã‚Œã ã‘é€Ÿããªã‚‹ã‹ï¼Ÿ ã‚ªãƒ©ã‚¯ãƒ«ã¨å¯Œå£«é€šãŒå®Ÿé¨“ ï¼ Publickey å‹•çš„ãªã‚¹ã‚¯ãƒªãƒ—ãƒˆè¨€èªž (Ruby ã‚„ Python ãªã©) ã¨é™çš„ãªã‚³ãƒ³ãƒ‘ã‚¤ãƒ«åž‹è¨€èªž (C++ ã‚„ Java ãªã©) ã§ã¯ã€ã ã„ãŸã„ 5 å€ã‹ã‚‰ 10 å€ãã‚‰ã„ã®é€Ÿåº¦å·®ãŒã‚ã‚‹ã€‚ãã‚Œã§ã‚‚ã‚¹ã‚¯ãƒª
umiyosh 2010/04/27
ssd

programming

performance
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umiyosh 2010/04/19
performance
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umiyosh 2010/01/19
memcached

performance
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umiyosh 2009/10/02
programming

performance

EV
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umiyosh 2009/04/05
windowsã®ãƒªã‚½ãƒ¼ã‚¹ã¨ã‹è¡¨ç¤º

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umiyosh 2008/10/17
tuning

performance

linux

EV
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MySQL ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° on MySQL Weekly Seminor 2008/06/27 - ãªã‚“ã¨ãªãæ—¥è¨˜
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umiyosh 2008/09/22
mysql

performance

EV
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