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FGO ã‚’æ”¯ãˆã‚‹è² è·è©¦é¨“ãƒ„ãƒ¼ãƒ«
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Hash 2018/07/21
game

test

performance
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Linux Load Averages: Solving the Mystery
Recent posts: 28 Apr 2023 Â» eBPF Observability Tools Are Not Security Tools 01 Mar 2023 Â» USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon 17 Feb 2023 Â» USENIX SREcon APAC 2023: CFP 02 May 2022 Â» [email protected] 15 Apr 2022 Â» Netflix End of Series 1 09 Apr 2022 Â» TensorFlow Library Performance 19 Mar 2022 Â» Why Don't You Use ... 26 Sep 2021 Â» The Speed of Time 06 Sep 2021 Â»
Hash 2018/07/17
Linux Load Average è€ƒå¤å¦. ã“ã‚Œç³»å¤§å¥½ã

linux

performance
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Dockerã ã‘ã˜ã‚ƒãªã„ã‚³ãƒ³ãƒ†ãƒŠ runtime å¾¹åº•æ¯”è¼ƒ
Japan Container Days(JKD) v18.04( ã§ã®ç™ºè¡¨è³‡æ–™ã§ã™ã€‚ ã€ŒDockerã ã‘ã˜ã‚ƒãªã„ã‚³ãƒ³ãƒ†ãƒŠ runtime å¾¹åº•æ¯”è¼ƒã€ åˆã‚ã›ã¦èªã¿ãŸã„ ã€Œrunc ã ã‘ã˜ã‚ƒãªã„ã‚³ãƒ³ãƒ†ãƒŠ low level runtime å¾¹åº•æ¯”è¼ƒã€ https://speakerdeck.com/makocchi/jkd-20181205-about-low-level-runtimes
Hash 2018/05/14
ç¾æ™‚ç‚¹ã§å¯èƒ½ãªãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹è©•ä¾¡ã‚’

container

docker

Kubernetes

presentation

performance
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Ruby ã§é«˜é€Ÿãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã
2. è‡ªå·±ç´¹ä»‹ï¼šé è—¤ä¾‘ä»‹ â€¢ Ruby ã‚³ãƒŸãƒƒã‚¿ï¼ˆ2008å¹´ï½žï¼‰ â€“ Rubyã®ãƒ†ã‚¹ãƒˆã‚’å¢—å¼·ã—ãŸ â€“ ã‚³ãƒ¼ãƒ‰ã‚«ãƒãƒ¬ãƒƒã‚¸æ¸¬å®šæ©Ÿèƒ½ã‚’ å®Ÿè£…ã—ãŸ â€“ ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰å¼•æ•°ã‚’å®Ÿè£…ã—ãŸ â€“ Ruby 2.0 ãƒªãƒªãƒ¼ã‚¹ãƒžãƒãƒ¼ã‚¸ãƒ£ ã ã£ãŸ â€“ æœ€è¿‘ã¯ä½•ã‚‚ã—ã¦ãªã„ 2 â€™06ä¸‹ â€™07ä¸Š â€™07ä¸‹ â€™08ä¸Š 60 70 80 90 100 coverage(%) 70% 85% C0ã‚«ãƒãƒ¬ãƒƒã‚¸é·ç§» 3. ã¨ç§ â€¢ ç«‹ã¡ä¸Šã’ã®æ™‚ã« @chezou ã•ã‚“ã«ç›¸è«‡ã‚’å—ã‘ãŸ â€¢ åˆæœŸã«æ•°å›žã ã‘å‚åŠ ã—ãŸ â€¢ Kawasaki.rb #005 ï¼ˆ2013-10-23ï¼‰ã§ç™ºè¡¨ã—ãŸ â€“ ä»¥ä¸Šï¼ˆã™ã¿ã¾ã›ã‚“ï¼‰ â€¢ ã¡ãªã¿ã« Kawasaki.rb #005 ã§ç™ºè¡¨ã—ãŸã‚‚ã®ã¯ 3 4. eval$s=%q(eval(%w(B=92.chr;N=10.chr;n=0;e=->(s){Q[Q[s,B],?"].gsub(N,B+?n)};
Hash 2016/08/28
ruby

presentation

performance
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Apache Spark as a Compiler: Joining a Billion Rows per Second on a Laptop
Unified governance for all data, analytics and AI assets
Hash 2016/05/31
Spark 2.0 ã¯ Tungsten ã‚¨ãƒ³ã‚¸ãƒ³ã® whole-stage code generation ã§ã•ã‚‰ã«çˆ†é€Ÿã«ãªã‚‹ã¨ã„ã†ãŠè©±

spark

performance
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AMP - a web component framework to easily create user-first web experiences
AMP is a web component framework to easily create user-first experiences for the web. AMP Websites Easily create websites with a great page experience out-of-the-box using AMPâ€™s ready-to-go web components. Get started All about AMP Websites
Hash 2016/04/13
Google

performance

mobile
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3. åºƒå‘Šã‚·ã‚¹ãƒ†ãƒ ã«ã¤ã„ã¦ ã‚·ã‚¹ãƒ†ãƒ ï¼š ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆåºƒå‘Šã‚·ã‚¹ãƒ†ãƒ ã‚¢ã‚¯ã‚»ã‚¹ ï¼š æœˆé–“æ•°åƒå„„ã€œ ã‚µãƒ¼ãƒå°æ•°ï¼š 1000å°ç¨‹åº¦ ãƒ¬ã‚¹ãƒãƒ³ã‚¹ ï¼š ã€œ100msec ãƒ¦ãƒ¼ã‚¶æ•° ï¼š æ•°å„„UUã€œ ä¸Šè¨˜ã®ã‚·ã‚¹ãƒ†ãƒ ã‚’å®‰å®šé‹ç”¨ã™ã‚‹ãŸã‚ã®è€ƒãˆæ–¹ ã«ã¤ã„ã¦è©±ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚
Hash 2016/03/01
ã‚€ã¤ã‹ã—ããªã„ï¼ã™ã”ã„ï¼

development

performance

presentation
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MySQL 5.6ã®ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®åŠ¹ç”¨ã¯ã„ã‹ã»ã©ï¼Ÿ(The Percona Performance Blogã‚ˆã‚Š) | Yakst
MySQL 5.6ã®ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®åŠ¹ç”¨ã¯ã„ã‹ã»ã©ï¼Ÿ(The Percona Performance Blogã‚ˆã‚Š) é«˜è² è·æ™‚ã®ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—ãƒªã‚«é…å»¶ã«å¯¾ã™ã‚‹æ”¹å–„æ–¹æ³•ã®1ã¤ã¨ã—ã¦ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒè€ƒãˆã‚‰ã‚Œã‚‹ã€‚ã©ã®ç¨‹åº¦æ”¹å–„ã™ã‚‹ã®ã‹ã¯MySQL 5.6ã§ã¯ã€ã‚¹ã‚ãƒ¼ãƒžé–“ã®æ›¸è¾¼ã¿è² è·ã®åˆ†å¸ƒã«ä¾å˜ã—ã“ã‚Œã‚’å¤§é›‘æŠŠã«è¦‹ç©ã‚‚ã‚‹æ–¹æ³•ã‚’ã”ç´¹ä»‹ã™ã‚‹ã€‚ ã“ã®è³ªå•ã‚’ä»Šã¾ã§ã¨ã¦ã‚‚è‰¯ãå—ã‘ã¦ããŸã€‚"è² è·ãŒé«˜ã„æ™‚ã«ã¯ã€ãƒªãƒ¼ãƒ‰ãƒ¬ãƒ—ãƒªã‚«ãŒã—ã°ã—ã°é…å»¶ã—å§‹ã‚ã‚‹ã€‚Nå€‹ã®ã‚¹ã‚ãƒ¼ãƒžã‚’åˆ©ç”¨ã—ã¦ã„ã‚‹ãŒã€MySQL 5.6ã®ãƒ‘ãƒ©ãƒ¬ãƒ«ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½¿ã†ã¨ã©ã®ãã‚‰ã„æ€§èƒ½ãŒæ”¹å–„ã™ã‚‹ã®ã ã‚ã†ã‹?"ã“ã“ã§ã¯æ½œåœ¨çš„ãªåŠ¹æžœã‚’ã€ç´ æ—©ãå¤§é›‘æŠŠã«è¦‹ç©ã‚‚ã‚‹æ–¹æ³•ã‚’ã”ç´¹ä»‹ã™ã‚‹ã€‚ åŸºæœ¬çš„ãªè€ƒãˆæ–¹ MySQL 5.6ã§ã¯ã€ã‚¹ã‚ãƒ¼ãƒžãƒ¬ãƒ™ãƒ«ã§ä¸¦åˆ—å‡¦ç†ãŒè¡Œã‚ã‚Œã‚‹ã€‚å¾“ã£ã¦ç†è«–ä¸Šã¯ã€Nå€‹ã®ã‚¹ã‚ãƒ¼ãƒžãŒã‚ã‚Šã€Nå€‹ã®ä¸¦åˆ—ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’åˆ©ç”¨ã™ã‚Œã°ã€ãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯æœ€å¤§N
Hash 2015/08/25
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mysql

performance
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Hash 2015/03/23
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performance

presentation

html

web
ãƒªãƒ³ã‚¯
CPUå‘¨ã‚Šã®ãƒªã‚½ãƒ¼ã‚¹ãƒ¢ãƒ‹ã‚¿ãƒªãƒ³ã‚° â€“ OpenGroove
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Hash 2015/03/15
performance

linux

CPU
ãƒªãƒ³ã‚¯
TCP Tune
Enabling High Performance Data Transfers System Specific Notes for System Administrators (and Privileged Users) These notes are intended to help users and system administrators maximize TCP/IP performance on their computer systems. They summarize all of the end-system (computer system) network tuning issues including a tutorial on TCP tuning and easy configuration checks for non-experts. Introduct
Hash 2015/02/24
ãƒªãƒ³ã‚¯
NTTãƒ‡ãƒ¼ã‚¿ã¨PostgreSQLãŒæŒ‘ã‚“ã ç·åŠ›æˆ¦ã€‚PostgreSQLã‚’æ¥µé™ã¾ã§ä½¿ã„åˆ‡ã£ãŸãã®å…ˆã«è¦‹ãŸã‚‚ã®ã¨ã¯ï¼Ÿï¼ˆå¾Œç·¨ï¼‰ NTTãƒ‡ãƒ¼ã‚¿ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹DAY2015 ï¼ Publickey
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Hash 2015/02/10
PostgreSQL

database

performance
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Effective web performance tuning for smartphone
1. Copyright (C) DeNA Co.,Ltd. All Rights Reserved. Eï¬€ective Web Browser Performance Tuning for Smartphone 1 Dec 16, 2014 ! Kei Takahashi [email protected] Game Development Infrastructure Gr. DeNA Co., Ltd. ~FINAL FANTASY Record Keeper ã®è»Œè·¡~ 2. è‡ªå·±ç´¹ä»‹ 2 Copyright (C) DeNA Co.,Ltd. All Rights Reserved. é«˜æ©‹ æ…§ (ãŸã‹ã¯ã— ã‘ã„) Japanãƒªãƒ¼ã‚¸ãƒ§ãƒ³ ã‚²ãƒ¼ãƒ äº‹æ¥æœ¬éƒ¨ æŠ€è¡“ãƒ»ç·¨æˆéƒ¨ ã‚²ãƒ¼ãƒ é–‹ç™ºåŸºç›¤ã‚°ãƒ«ãƒ¼ãƒ—(GDI)æ‰€å±ž Web Frontend Engineer ã¨ã„ã„ã¤ã¤æœ€è¿‘ã¯ã‚¢ãƒ—ãƒªã«ãŠ
Hash 2014/12/17
performance

presentation

DeNA

web

ã‚ã¨ã§
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Configuring Nginx + PHP-FPM for Heavy Load
I was looking everywhere, but I could never find a good guide that explains how to configure Nginx with PHP-FPM for a heavy server load, so I hope this is the place where I will find my answer. I have a 24 core server with 32GB RAM with Centos 5.6 which is running Nginx 1.0.2 web server with PHP-FPM (PHP 5.3.5) which is hosting a website that is running some very easy and fast php scripts which ar
Hash 2014/10/30
nginx

php

performance
ãƒªãƒ³ã‚¯
nginxæœ€å¤§ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’å‡ºã™ãŸã‚ã®åŸºæœ¬è¨å®š-ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚µãƒ¼ãƒ»æ—¥æœ¬
Nginxãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° nginxæœ€å¤§é™ã«ã‚¹ãƒ”ãƒ¼ãƒ‰ã‚’å‡ºã™ãŸã‚ã«ã€è¨å®šãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãƒ¼ã‚’ãƒãƒ¥ãƒ‹ãƒ³ã‚°ã—ã¾ã—ãŸã€‚ nginxè¨å®šä¾‹ user www-data; pid /var/run/nginx.pid; worker_processes auto; worker_rlimit_nofile 100000; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; events { worker_connections 2048; multi_accept on; use epoll; } http { server_tokens off; sendfile on; tcp_nopush on; tcp_nodelay on; access_log o
Hash 2014/10/06
use epoll; ã£ã¦ã®ãŒã‚ã‚‹ã‚“ã‹

nginx

performance
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Mackerel - æ–°ã—ã„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒžãƒã‚¸ãƒ¡ãƒ³ãƒˆ
Features Why choose Mackerel? Mackerel is a server monitoring service provided by Hatena Co., Ltd.that offers all the functions necessary for cloud monitoring and service operation. Overwhelmingly Simple Installation Simply install the monitoring agent on your server and you're ready to start monitoring. See details Full-fledged Monitoring The ability to integrate various communication tools promo
Hash 2014/08/01
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hatena

performance

server
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Linux Performance
static, benchmarking, tuning: sar, perf-tools, bcc/BPF: bpftrace, BPF book: Images license: creative commons Attribution-ShareAlike 4.0. This page links to various Linux performance material I've created, including the tools maps on the right. These use a large font size to suit slide decks. You can also print them out for your office wall. They show: Linux observability tools, Linux static perfor
Hash 2014/07/27
linux

performance
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kernelãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°
linuxã‚µãƒ¼ãƒã®OSå…¨ä½“ã«åŠ¹ãã‚«ãƒ¼ãƒãƒ«ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ç®‡æ‰€ã¨ ãã®è¨å®šå€¤ã€ã¾ãŸãã®ç†ç”±ã‚’ã¾ã¨ã‚ã¦ãŠãã€‚ ã‚ãã¾ã§è‡ªåˆ†ã®ç’°å¢ƒã§ã¯ã“ã†ã—ãŸã€ã¨ã„ã†ã ã‘ã§ã‚ã‚Šã€ æä¾›ã™ã‚‹ã‚µãƒ¼ãƒ“ã‚¹ã”ã¨ã«æ¤œè¨ŽãŒå¿…è¦ã§ã‚ã‚‹ã€‚ ã©ã“ã‚’ã©ã†å¤‰æ›´ã™ã‚‹ã®ã‹ã€ã¾ãŸã¯å¤‰ãˆãªã„ã®ã‹ã€ãã®åˆ¤æ–ææ–™ã«ã¯ãªã‚‹ã ã‚ã†ã€‚ â€»ãƒ¦ãƒ¼ã‚¶å˜ä½ã§ã‚·ã‚¹ãƒ†ãƒ ãƒªã‚½ãƒ¼ã‚¹ã«åˆ¶é™ã‚’ã‹ã‘ã‚‹å ´åˆã‚’ã“ã¡ã‚‰ã‚’å‚ç…§ã—ã¦ã»ã—ã„ã€‚ ä»¥ä¸‹ã¯/etc/sysctl.conf ã§è¨å®šã™ã‚‹ã‚‚ã®ã¨ã™ã‚‹ã€‚ â— å¤§è¦æ¨¡ã‚µã‚¤ãƒˆç”¨ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° kernel.pid_max å‹•ä½œï¼špidã®æœ€å¤§æ•° è¨å®šå€¤ï¼š131072 ç†ç”±ï¼špidã‚’æž¯æ¸‡ã•ã›ãªã„ vm.max_map_count å‹•ä½œï¼šmmapã‚„mallocæ™‚ã«ãƒ¡ãƒ¢ãƒªã‚’ä»®æƒ³ç©ºé–“ã«ãƒžãƒƒãƒ”ãƒ³ã‚°ã§ãã‚‹æœ€å¤§ãƒšãƒ¼ã‚¸æ•° è¨å®šå€¤ï¼š300000 ç†ç”±ï¼šãƒžãƒƒãƒ”ãƒ³ã‚°ã§ããªããªã‚‹äº‹æ…‹ã‚’é˜²ã net.core.somaxconn å‹•ä½œï¼šæŽ¥ç¶š(ã‚½ã‚±ãƒƒãƒˆ)ã‚ãƒ¥ãƒ¼ã®
Hash 2014/06/06
linux

kernel

performance
ãƒªãƒ³ã‚¯
ã€Œè¶…ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ç¥ ï½žãƒ‹ã‚³ãƒ‹ã‚³ã‚’è¶…å¿«é©ã«ã—ã¦ã¿ãŸï½žã€€in ãƒ‹ã‚³ãƒ‹ã‚³è¶…ä¼šè°ï¼“ã€ã®å•é¡Œç‚¹ - Webãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«ã¤ã„ã¦
æ¥ã‚‹2014å¹´4æœˆ26æ—¥(åœŸ)ãƒ»27æ—¥(æ—¥)ã«ã€ã€Œãƒ‹ã‚³ãƒ‹ã‚³è¶…ä¼šè°3ã€ãŒé–‹å‚¬ã•ã‚Œã€ãã®ä¸ã§ã€Œè¶…ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ç¥ ï½žãƒ‹ã‚³ãƒ‹ã‚³ã‚’è¶…å¿«é©ã«ã—ã¦ã¿ãŸï½žã€ãŒé–‹å‚¬ã•ã‚Œã‚‹ãã†ã§ã™ã€‚ ã“ã‚Œã¯ã€ç¾è¡Œã®ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³ã‚µã‚¤ãƒˆã®Topãƒšãƒ¼ã‚¸ã®ã‚½ãƒ¼ã‚¹ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç«¶æŠ€è€…ãŒãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã—ã¦ã€é€Ÿåº¦ã‚„ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ»UIã®æ”¹å–„ã‚’ã—ã¦ã€é€Ÿåº¦ã¨ä½¿ã„å‹æ‰‹ã‚’ç«¶ã†ã®ã ãã†ã§ã™ã€‚ ã€Œã“ã‚Œã¯é¢ç™½ãã†ã ! ä¼šå ´ã¯å®¶ã‹ã‚‰è¿‘ã„ã—!ã€ã¨æ€ã£ã¦å‚åŠ ã™ã‚‹ã¤ã‚‚ã‚Šã§ã„ã¾ã—ãŸãŒã€äº‹å‰èª¿æŸ»ã§è¨ˆæ¸¬ã—ã¦ã¿ãŸçµæžœã€ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã§ã¯é€Ÿããªã‚‰ãªã„ã“ã¨ãŒã‚ã‹ã£ãŸã®ã§ã€ãã®å†…å®¹ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ (ä¸»å‚¬è€…ã®æ–¹ã«ã‚‚ã€ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã§ã¯é€Ÿããªã‚‰ãªã„ã¨ã„ã†æƒ…å ±ã¯ä¼ãˆã¦ã‚ã‚Šã¾ã™ã€‚) ã¾ãšã¯ã€è¨ˆæ¸¬ãƒ‡ãƒ¼ã‚¿ ã¾ãšã¯å®Ÿéš›ã®ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸(http://sp.nicovideo.jp)ã®è¨ˆæ¸¬ãƒ‡ãƒ¼ã‚¿ã‚’è¦‹ã¦ã¿ã¾ã—ã‚‡ã†ã€‚ è¨ˆæ¸¬ã¯ã€NTT DoCoMoã¨SoftBankã®3Gå›ž
Hash 2014/04/17
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performance

niconico

network
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Railsã‚¢ãƒ—ãƒªã¤ãã£ãŸ - âœ˜â•¹â—¡â•¹âœ˜
æœ€è¿‘APIã‚µãƒ¼ãƒç”¨é€”ã§Railsã‚¢ãƒ—ãƒªã‚’1å€‹ã¤ãã£ãŸã®ã§æŒ¯ã‚Šè¿”ã‚‹ã€‚ æ¦‚è¦ æŽ¥ç¶šå…ƒã¯iOSã‚„Androidã‚¢ãƒ—ãƒªã¨ã‹ã€Webãƒ–ãƒ©ã‚¦ã‚¶ã¨ã‹ã€åˆ¥ã®Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã‹ã€‚1ãƒ›ã‚¹ãƒˆã‚ãŸã‚Šç§’é–“æ•°ç™¾ãƒªã‚¯ã‚¨ã‚¹ãƒˆã€å¹³å‡å¿œç”æ™‚é–“10msãã‚‰ã„ã€‚Rails 4.1.0.rc2ã€Unicornã€Nginxã‚’ä½¿ã£ã¦ã‚‹ã€‚æ£ç›´Railsã¯å…¨éƒ¨å…¥ã‚Šã§é‡ã„ã‚¤ãƒ¡ãƒ¼ã‚¸ãŒã‚ã£ãŸã®ã§ä½•ã¨ãªãå¹³å‡50msä»¥å†…ç¨‹åº¦ã§ã‚ã‚Œã°è‰¯ã„ã¨ã“ã‚ã ã‚ã†ã¨æ€ã£ã¦ãŸã‘ã©ã€æ„å¤–ã¨é€Ÿã„ã€‚å¤šåˆ†ãã‚‚ãã‚‚ã‚µãƒ¼ãƒã®æ€§èƒ½ãŒè‰¯ã„ã‚“ã ã¨æ€ã†ã€‚å®Ÿè£…æ™‚ã«æ°—ã‚’ä»˜ã‘ãŸã“ã¨ã¯æ™®æ®µã®é–‹ç™ºã¨ç‰¹ã«å¤‰ã‚ã‚Šãªã„ã€‚ã„ã¤ã‚‚ã¯å¤§å‹¢ã§ãƒ¯ã‚¤ãƒ¯ã‚¤é–‹ç™ºã™ã‚‹ã‚‚ã®ã«å°‘ã—æ‰‹ã‚’åŠ ãˆã‚‹ã¨ã„ã†ã“ã¨ãŒå¤šã„ã‚“ã ã‘ã©ã€ä»Šå›žã¯çã—ãè‡ªåˆ†ä¸€äººã§ã¤ãã£ãŸã‹ã‚‰ç›®ãŒè¡Œãå±Šã„ã¦ãŸã®ã‹ã‚‚ã—ã‚Œãªã„ã€‚DBã¸ã®å•åˆã›ã®åŠ¹çŽ‡ã«æ°—ã‚’é…ã‚‹ã¨ã‹ã€Rubyã§ã®å‡¦ç†ã®ç„¡é§„ã‚’çœãã¨ã‹ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒ—ãƒã‚»ã‚¹ã«ç„¡é§„ãªã‚³ãƒ¼ãƒ‰ã‚’èªã¿è¾¼ã¾ã›ãªã„ã¨ã‹ã€è¨ˆ
Hash 2014/04/07
ã“ã†ã‚„ã£ã¦è„³å†…dumpã—ã¦ãã‚Œã‚‹ã®ã™ã”ãè‰¯ã„ // 20140426 å†èª

rails

performance
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