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

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Etsukata blog: FreakOut DSP å…¥æœã‚µãƒ¼ãƒã® CPU ä½¿ç”¨çŽ‡ã‚’ 30% å‰Šæ¸›ã™ã‚‹ Performance Tuning
ã¯ã˜ã‚ã« å‹¤å‹™å…ˆã® FreakOut ç¤¾ã§ã¯ RTB ã§åºƒå‘Šæž ã‚’è²·ã„ä»˜ã‘ã‚‹ DSP ã®é–‹ç™ºãƒ»é‹ç”¨ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚RTB ã¨ã¯ã€ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆåºƒå‘Šã®ã‚¤ãƒ³ãƒ—ãƒ¬ãƒƒã‚·ãƒ§ãƒ³ãŒç”Ÿã˜ã‚‹æ¯Žã«ã€åºƒå‘Šæž ã®ç«¶äº‰å…¥æœã‚’è¡Œã†ä»•çµ„ã¿ã§ã™ã€‚ DSP ã¨ã¯ã€ RTB ã«ãŠã„ã¦ã€ç«¶äº‰å…¥æœã‚’ã™ã‚‹å´ã®ã‚·ã‚¹ãƒ†ãƒ ã«ãªã‚Šã¾ã™ã€‚åºƒå‘Šæž /åºƒå‘Šã‚’è¦‹ã¦ã„ã‚‹äºº ã«å¯¾ã—ã€æœ€é©ãªåºƒå‘Šã‚’ã€æœ€é©ãªã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§å±Šã‘ã‚‹æ©Ÿèƒ½ã‚’åºƒå‘Šä¸»ã«æä¾›ã™ã‚‹ä»•çµ„ã¿ã§ã™ã€‚ FreakOut DSP ã¯æœ€é©ãªåºƒå‘ŠæŽ¢ç´¢ãƒ»å…¥æœä¾¡æ ¼èª¿æ•´ã®ãŸã‚ã€éžå¸¸ã«å¤šãã®ãƒ‡ãƒ¼ã‚¿ã‚’å‚ç…§ã—ã€æ²¢å±±ã®æ¼”ç®—å‡¦ç†ã‚’è¡Œã„ã¾ã™ã€‚åºƒå‘Šã‚’è¦‹ã¦ã„ã‚‹äººãŒéŽåŽ»ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ãŸ Web ãƒšãƒ¼ã‚¸ã®æƒ…å ±ã‚„æ¤œç´¢ãƒ¯ãƒ¼ãƒ‰ã€ã•ã‚‰ã« åºƒå‘ŠãŒã‚¯ãƒªãƒƒã‚¯ã•ã‚Œã‚‹äºˆæ¸¬ç¢ºçŽ‡(éŽåŽ»ã®ãƒã‚°ã‹ã‚‰æ©Ÿæ¢°å¦ç¿’ã§ç®—å‡º) ãªã©ã‚’å‚ç…§ã—ã€å…¥æœä¾¡æ ¼ã‚’æ±ºå®šã™ã‚‹ã®ã§ã™ã€‚ãã®ãŸã‚ã€DSP ã§å…¥æœã‚’æ‹…å½“ã™ã‚‹ã‚µãƒ¼ãƒã¯ CPU ãŒãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã«ãªã£ã¦ãŠã‚Šã€å°æ•°ã‚‚æ•°ç™¾å°ã«åµ©ã‚“ã§ã„ã¾ã™ã€‚
sakurasakuras 2015/07/17
performance
ãƒªãƒ³ã‚¯
è² è·ãƒ†ã‚¹ãƒˆã‚ã‚Œã“ã‚Œ-JMeter è² è·ã®ã‹ã‘æ–¹ã€ãƒ¬ãƒãƒ¼ãƒˆã®è¦‹æ–¹- | A Day In The Boy's Life
ã€Œè² è·ãƒ†ã‚¹ãƒˆã‚ã‚Œã“ã‚Œ-JMeterã®ä½¿ã„æ–¹- ã€ã§ã€JMeterã®åˆ©ç”¨æ–¹æ³•ã«ã¤ã„ã¦è§¦ã‚Œã¾ã—ãŸãŒä¸€ç•ªè‚å¿ƒã®ãƒ¬ãƒãƒ¼ãƒˆã®è¦‹æ–¹ã«ã¤ã„ã¦æ›¸ã„ã¦ã¾ã›ã‚“ã§ã—ãŸã®ã§ã€ä»Šå›žã¯ãã®ç‚¹ã‚’ã€‚ ä»Šå›žã®è¨˜äº‹ã‚’ã¾ã¨ã‚ã‚‹ã«ã‚ãŸã‚Šã€ä¸‹è¨˜ã®è³‡æ–™ã‚’å‚è€ƒã«ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸã€‚ Apache JMeterã§è² è·è©¦é¨“ã‚’ã—ã‚ˆã†ï¼ï¼ JaSST è² è·ãƒ†ã‚¹ãƒˆã®æ–¹æ³•ã‚„ãƒ¬ãƒãƒ¼ãƒˆã®è¦‹æ–¹ã«ã¤ã„ã¦è§¦ã‚Œã‚‹å‰ã«ã¾ãšã€ä½•ã‚’ç›®çš„ã§è² è·ãƒ†ã‚¹ãƒˆã‚’ã™ã‚‹ã‹ã«ã¤ã„ã¦è§¦ã‚Œã¦ã¿ãŸã„ã‹ã¨ã€‚ ã“ã‚Œã‚‚æ§˜ã€…ãªã‚±ãƒ¼ã‚¹ãŒæƒ³å®šã•ã‚Œã¾ã™ãŒã€å–ã‚Šåˆãˆãš 1. ç¾åœ¨ã®ã‚¤ãƒ³ãƒ•ãƒ©ã€ã‚·ã‚¹ãƒ†ãƒ ã®æ§‹æˆã§ã©ã‚Œã ã‘ã®è² è·ã«è€ãˆã‚‰ã‚Œã‚‹ã‹ã‚’çŸ¥ã‚‹ç‚º 2. æƒ³å®šã•ã‚Œã‚‹åŒæ™‚ãƒ¦ãƒ¼ã‚¶ãƒ¼æ•°ã«è€ãˆã‚‰ã‚Œã‚‹ã‹æ¤œè¨¼ã—ãŸã„ 3. ã‚¤ãƒ³ãƒ•ãƒ©ã€ã‚·ã‚¹ãƒ†ãƒ æ§‹æˆã®å¤‰æ›´ã«ã‚ˆã‚Šã©ã‚Œã ã‘ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãŒå‘ä¸Šã—ãŸã‹çŸ¥ã‚ŠãŸã„ ã®3ã¤ã‚’ã‚±ãƒ¼ã‚¹ã‚’è€ƒãˆã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¾ãšå‰æã¨ãªã‚‹ãƒ†ã‚¹ãƒˆã‚·ãƒŠãƒªã‚ªã‚’ä½œã‚‹éƒ¨åˆ†ã‹ã‚‰ã€‚ ã“ã‚Œã¯ã€ã€Œãƒã‚°ã‚¤ãƒ³â†’Aãƒšãƒ¼ã‚¸é·ç§»â†’
sakurasakuras 2015/07/09
jmeter

test

performance
ãƒªãƒ³ã‚¯
JMeter Knowledge log: 9æœˆ 2011
sakurasakuras 2015/07/09
jmeter

test

performance
ãƒªãƒ³ã‚¯
JMeterã§ã®è² è·ãƒ»æ€§èƒ½ãƒ†ã‚¹ãƒˆ - shibainu55æ—¥è¨˜
ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºã®ã§ã¯è£½é€ ãƒ»æ§‹ç¯‰ãƒ•ã‚§ãƒ¼ã‚ºãŒçµ‚ã‚ã‚‹ã¨å½“ç„¶ã®ã“ã¨ãªãŒã‚‰å„ç¨®ãƒ†ã‚¹ãƒˆã‚’è¡Œã†ã€‚ä»Šå›žã¯ã€ãã®ä¸ã§ã‚‚ã‚ˆãã‚·ã‚¹ãƒ†ãƒ ãƒ†ã‚¹ãƒˆã¨å‘¼ã°ã‚Œã‚‹ãƒ•ã‚§ãƒ¼ã‚ºã«å«ã¾ã‚Œã‚‹ã“ã¨ã®å¤šã„è² è·ãƒ»æ€§èƒ½ãƒ†ã‚¹ãƒˆã«é–¢ã™ã‚‹ãŠè©±ã€‚ ï¼œãƒ†ã‚¹ãƒˆãƒ„ãƒ¼ãƒ«ã®æ¤œè¨Žã¨é¸å®šï¼ž ç§ã®çµŒé¨“ã§ã¯ã€ã“ã‚Œã¾ã§è¡Œã£ã¦ããŸãƒ†ã‚¹ãƒˆã§ã¯ã€è¦æ¨¡ã‚„ã‚·ã‚¹ãƒ†ãƒ ã®ç‰¹æ€§ã«å¿œã˜ã¦ä»¥ä¸‹ã®ã‚ˆã†ãªãƒ†ã‚¹ãƒˆãƒ„ãƒ¼ãƒ«ã‚’é¸å®šãƒ»ä½¿ç”¨ã—ã¦ããŸã€‚ OSSç‰ã®ãƒ•ãƒªãƒ¼ã®ãƒ†ã‚¹ãƒˆãƒ„ãƒ¼ãƒ«(JMeterã€Apache Benchã€httperfã€http://www.microsoft.com/japan/tech net/archive/itsolutions/intranet/downloads/webstres.mspx?mfr=trueMS Web Application Stress Tool) è‡ªä½œãƒ†ã‚¹ãƒˆãƒ„ãƒ¼ãƒ«(Perlã€ã‚·ã‚§ãƒ«ã‚¹ã‚¯ãƒªãƒ—ãƒˆç‰) å•†ç”¨ãƒ†ã‚¹ãƒˆãƒ„ãƒ¼ãƒ«(Loadrunnerç‰ã€‚â€»å€‹äººçš„ã«ã¯ã‚ã¾ã‚ŠçµŒ
sakurasakuras 2015/07/09
jmeter

test

performance
ãƒªãƒ³ã‚¯
Etsyã‚’æ”¯ãˆã‚‹ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚¢ãƒ©ãƒ¼ãƒˆã®æŠ€è¡“ ï½žVelocity Conference 2015ãƒ¬ãƒãƒ¼ãƒˆ #1ï½ž - Cybozu Inside Out | ã‚µã‚¤ãƒœã‚¦ã‚ºã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®ãƒ–ãƒã‚°
ã“ã‚“ã«ã¡ã¯ï¼kintone é–‹ç™ºãƒãƒ¼ãƒ ã®ç”°ä¸è£•ä¸€(@yuichielectric)ã§ã™ã€‚ O'Reilly MediaãŒã‚µãƒ³ã‚¿ã‚¯ãƒ©ãƒ©ã§é–‹å‚¬ã—ãŸVelocity Conference 2015ã«åƒ•ã¨ä½è—¤é‰„å¹³(@teppeis)ã®2äººã§å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ã“ã‚Œã‹ã‚‰ä½•å›žã‹ã«åˆ†ã‘ã¦ãã‚Œãžã‚ŒãŒé¢ç™½ã„ã¨æ€ã£ãŸã‚»ãƒƒã‚·ãƒ§ãƒ³ã®å†…å®¹ã‚’ç´¹ä»‹ã—ã¦ã„ã“ã†ã¨æ€ã„ã¾ã™ï¼ Velocity Conferenceã¨ã¯ O'Reilly MediaãŒä¸»å‚¬ã—ã¦ã„ã‚‹ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã§ã€é«˜é€Ÿã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ã§ä¾¡å€¤ã®ã‚ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã‚’ä½œã‚‹ãŸã‚ã®æ–¹æ³•è«–ãŒãƒ†ãƒ¼ãƒžã§ã™ã€‚ ã‚‚ã¨ã‚‚ã¨ã¯ã€æŠ€è¡“çš„ãªãƒ†ãƒ¼ãƒžãŒä¸»ã ã£ãŸã‚ˆã†ã§ã™ãŒã€æœ€è¿‘ã¯ãã†ã„ã£ãŸã‚µãƒ¼ãƒ“ã‚¹ã‚’é–‹ç™ºã™ã‚‹ãŸã‚ã«å¿…è¦ã¨ãªã£ã¦ãã‚‹ã€ç¶™ç¶šçš„ã‚¤ãƒ³ãƒ†ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã‚„ç¶™ç¶šçš„ãƒ‡ãƒªãƒãƒªãƒ¼ã®æ‰‹æ³•ã‚„ã€ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ï¼ˆæµè¡Œã‚Šã®microservicesã®è©±é¡Œã‚‚å¹¾ã¤ã‹ã‚ã‚Šã¾ã—ãŸï¼‰ã€é–‹ç™ºãƒ—ãƒã‚»ã‚¹ã€çµ„ç¹”è«–ï¼ˆDevOpsçµ¡ã¿ã®è©±é¡ŒãŒ
sakurasakuras 2015/06/16
performance

monitoring
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Tsung ã§è² è·è©¦é¨“ - Qiita
Tsung ã‚’ä½¿ç”¨ã—ã¦ 3 å°ã®ã‚µãƒ¼ãƒã‹ã‚‰ Web ã‚µãƒ¼ãƒã« GET ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’é€ã£ã¦ã¿ã¾ã—ãŸ Tsung ã®å®Ÿè¡Œç’°å¢ƒã®æº–å‚™ Erlang R16B03-1 ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ãŠãã¾ã™ Tsung ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« 3 å°ã®ã‚µãƒ¼ãƒãã‚Œãžã‚Œã«ä¸‹è¨˜ã®æ‰‹é †ã§ Tsung ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¾ã™ $ sudo aptitude -y install autoconf gnuplot libtemplate-perl $ git clone https://github.com/processone/tsung.git $ cd tsung $ ./configure $ make && sudo make install
sakurasakuras 2015/06/06
test

performance

tsung
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒã®è² è·ãƒ†ã‚¹ãƒˆã®ãŸã‚ã®ã€ä½•ç™¾ä¸‡ã‚‚ã®HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ç™ºç”Ÿã•ã›ã‚‹æ–¹æ³• | POSTD
(æ³¨è¨˜ï¼š6/9ã€ã„ãŸã ã„ãŸç¿»è¨³ãƒ•ã‚£ãƒ¼ãƒ‰ãƒãƒƒã‚¯ã‚’å…ƒã«è¨˜äº‹ã‚’ä¿®æ£ã„ãŸã—ã¾ã—ãŸã€‚) ä»Šå›žã®è¨˜äº‹ã¯æ¯Žç§’300ä¸‡ã‚‚ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’å‡¦ç†ã§ãã‚‹ã»ã©å¼·åŠ›ã§é«˜æ€§èƒ½ãªWebã‚¯ãƒ©ã‚¹ã‚¿ã®æ§‹ç¯‰ã«ã¤ã„ã¦ã®ãƒ‘ãƒ¼ãƒˆ1ã«ãªã‚Šã¾ã™ã€‚ã¾ãšåˆã‚ã«ã€ã‚ã¾ã‚Šå¤šãã¯ã‚ã‚Šã¾ã›ã‚“ãŒã€ç§ãŒã“ã‚Œã¾ã§ä½¿ç”¨ã—ãŸã“ã¨ã®ã‚ã‚‹ãƒãƒ¼ãƒ‰ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ãƒ„ãƒ¼ãƒ«ã‚’ã„ãã¤ã‹ç´¹ä»‹ã—ã¾ã™ã€‚ç§ã®ã‚ˆã†ã«ã¦ã“ãšã£ã¦æ™‚é–“ã‚’ã‹ã‘ã¦ã—ã¾ã‚ãªã„ã‚ˆã†ã€ä»Šå›žã®è¨˜äº‹ãŒç†è§£ã®æ‰‹åŠ©ã‘ã«ãªã‚Œã°å¹¸ã„ã§ã™ã€‚ ãƒãƒ¼ãƒ‰ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ã¯ãƒ†ã‚¹ãƒˆã‚’ç›®çš„ã¨ã—ãŸæ•°ç¨®é¡žã®ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’ç™ºç”Ÿã•ã›ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚ãã‚Œã«ã‚ˆã£ã¦é«˜è² è·ã«ãŠã„ã¦ã‚µãƒ¼ãƒãŒã©ã®ã‚ˆã†ã«å‹•ã„ã¦ã„ã‚‹ã‹ã€ãã®ã‚µãƒ¼ãƒã®å¼±ç‚¹ã¯ã©ã“ãªã®ã‹ã€ãªã©ãŒè¦‹ãˆã¦ãã¾ã™ã€‚è² è·ãƒ†ã‚¹ãƒˆã‚’é€šã˜ã¦ã‚µãƒ¼ãƒã®é™ç•Œã‚’çŸ¥ã‚‹ã“ã¨ã¯ã€ã‚µãƒ¼ãƒã®ãƒ¬ã‚¸ãƒªã‚¨ãƒ³ã‚·ãƒ¼ã‚’æ¸¬å®šã™ã‚‹æœ€é©ãªæ–¹æ³•ã§ã‚ã‚Šã€ã‚ã‚‰ã‚†ã‚‹å•é¡Œã«å¯¾ã™ã‚‹æº–å‚™ã®æ‰‹åŠ©ã‘ã«ã‚‚ãªã‚Šã¾ã™ã€‚ ãƒãƒ¼ãƒ‰ã‚¸ã‚§ãƒãƒ¬ãƒ¼ã‚¿ãƒ„ãƒ¼ãƒ« è² è·ãƒ†ã‚¹ãƒˆã‚’ã™ã‚‹éš›ã«é ã«å…¥ã‚Œã¦ãŠãã¹
sakurasakuras 2015/06/06
test

performance

tsung
ãƒªãƒ³ã‚¯
#isucon ã§ã¯ã©ã‚“ãªã“ã¨ã‚’è€ƒãˆãªãŒã‚‰ä½œæ¥ã—ã¦ã„ãŸã‹ - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
å‰ã®ã‚¨ãƒ³ãƒˆãƒª #isucon ã§å„ªå‹ã—ã¦ãã¾ã—ãŸ ã¯å½“æ—¥å¤œã«é…”ã£æ‰•ã£ãŸé ã§å‹¢ã„ã§æ›¸ãä¸Šã’ãŸã®ã§ã€å°‘ã—å†·é™ã«æŒ¯ã‚Šè¿”ã£ã¦ã¾ã¨ã‚ã¦ã¿ã¾ã™ã€‚ æœ€åˆã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ç™ºè¦‹ DB ãŒ CPU 4ã‚³ã‚¢ã‚’ãƒ•ãƒ«ã«ä½¿ã£ã¦å›žã£ã¦ã„ã‚‹ã®ã§ã™ãã« Query ãŒé‡ã„ã®ã¯åˆ†ã‹ã£ãŸ é‡ã„ã‚¯ã‚¨ãƒªã¯ã‚ãƒ£ãƒƒã‚·ãƒ¥ã™ã‚Œã°ã€ã¨ã„ã†ç™ºæƒ³ã¯è‡ªç„¶ (å®Ÿéš› MySQL ã®ã‚¯ã‚¨ãƒªã‚ãƒ£ãƒƒã‚·ãƒ¥ã ã‘ã§ã‚¹ã‚³ã‚¢ã¯ 1.5å€ç¨‹åº¦ä¸ŠãŒã‚‹)ã€ã¨ã¯ã„ãˆ ã“ã®ã‚¯ã‚¨ãƒªã¯å®Ÿè¡Œã« 300ã€œ400 ms ç¨‹åº¦ã‹ã‹ã‚‹ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®è¦ä»¶ä¸Šã€æ¯Žç§’æ›´æ–°ã™ã‚‹å¿…è¦ãŒã‚ã‚‹ 1ç§’ã”ã¨ã«æ›´æ–°ã« 0.3ã€œ0.4ç§’ã‹ã‹ã‚‹å‡¦ç†ã‚’ã™ã‚‹ã®ã¯æ‚ªæ‰‹ã ã‚ã† cache ãŒæ¶ˆãˆã¦ã‹ã‚‰ç”Ÿæˆã€ã¨ã™ã‚‹ã¨ç”Ÿæˆå‡¦ç†ãŒè¤‡æ•°åŒæ™‚ã«èµ°ã£ã¦ç„¡é§„ãŒå¤§ãã„ (å®Ÿéš›ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ä¸ã® slow query ã‚’è¦‹ã‚‹ã¨ 600ã€œ700 ms ç¨‹åº¦ã®æ™‚é–“ãŒæŽ›ã‹ã£ã¦ã„ãŸ) ã¨ã„ã†ã“ã¨ã§ã€DB ã®ãƒ†ãƒ¼ãƒ–ãƒ«æ§‹æˆã‚’å¤‰æ›´ã—ã¦é«˜é€ŸåŒ–ã§ããªã„ã‹ã€
sakurasakuras 2013/10/12
nginx

performance
ãƒªãƒ³ã‚¯
2.5. Tuned ãŠã‚ˆã³ ktune Red Hat Enterprise Linux 6 | Red Hat Customer Portal
é›»åŠ›ç®¡ç†ã‚¬ã‚¤ãƒ‰ 1. æ¦‚è¦ Expand section "1. æ¦‚è¦" Collapse section "1. æ¦‚è¦" 1.1. é›»åŠ›ç®¡ç†ã®é‡è¦æ€§ 1.2. é›»åŠ›ç®¡ç†ã®åŸºç¤Ž 2. é›»åŠ›ç®¡ç†ã®ç›£æŸ»ã¨åˆ†æž Expand section "2. é›»åŠ›ç®¡ç†ã®ç›£æŸ»ã¨åˆ†æž" Collapse section "2. é›»åŠ›ç®¡ç†ã®ç›£æŸ»ã¨åˆ†æž" 2.1. ç›£æŸ»ã¨åˆ†æžã®æ¦‚è¦ 2.2. PowerTOP 2.3. Diskdevstat ã¨ netdevstat 2.4. Battery Life Tool Kit 2.5. Tuned ãŠã‚ˆã³ ktune Expand section "2.5. Tuned ãŠã‚ˆã³ ktune" Collapse section "2.5. Tuned ãŠã‚ˆã³ ktune" 2.5.1. tuned.conf ãƒ•ã‚¡ã‚¤ãƒ« 2.5.2. Tuned-adm 2.6. Devi
sakurasakuras 2013/10/09
linux

performance
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ã‚«ãƒ¼ãƒãƒ«ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã¨ãŠèŒ¶ç›®ãªã‚¬ãƒãƒ£ãƒ”ãƒ³å…ˆç”Ÿ
Sadayuki Furuhashi @frsyuki page allocation failure ãŒç™ºç”Ÿã—ã¦ã„ã‚‹æ˜¨ä»Šã€ã“ã•ãå…ˆç”Ÿã® "page allocation failureã®èª¬æ˜Ž" ãŒå¤§å¤‰å½¹ã«ç«‹ã£ã¦ã„ã‚‹ã®ã ã‘ã©ã‚‚ã€vm.min_free_kbytesã®æœ€é©ãªå€¤ã‚’ã©ã†ã™ã‚Œã°ã„ã„ã®ã‹å¤§å¤‰æ‚©ã¾ã—ã„ã€‚ 2013-10-05 05:59:03
sakurasakuras 2013/10/09
linux

performance
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High Performance Rails (long edition)
Which I talked at Rubykaigi 2013 is: https://speakerdeck.com/mirakui/high-performance-rails
sakurasakuras 2013/06/26
rails

performance
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