[B! kernel] clairvyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

clairvy id:clairvy

kernelã«é–¢ã™ã‚‹clairvyã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

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å¤§ããªãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’awkã§å‡¦ç†ã™ã‚‹ã¨ãã«catã§æŠ•ã’è¾¼ã‚€ã¨é€Ÿã„ç†ç”± - ablog
ä»¥ä¸‹ã€é•·ã€…ã¨æ›¸ã„ã¦ã¾ã™ãŒã€çµè«–ã¯ â€ç§ã®ç’°å¢ƒã§â€å¤§ããªãƒ†ã‚ã‚¹ãƒˆãƒ•ã‚¡ã‚¤ãƒ«ã‚’awkã§å‡¦ç†ã™ã‚‹ã¨ãã«catã§æŠ•ã’è¾¼ã‚€ã¨é€Ÿã„ç†ç”± - ablogã«æ›¸ã„ã¦ã¾ã™ ã¯ã˜ã‚ã« awk file ã‚ˆã‚Š cat file|awk ã®ã»ã†ãŒé€Ÿã„ã¨ã„ã†ä»¥ä¸‹ã®ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªãŒèˆˆå‘³æ·±ã„ã®ã§èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ ã¡ãªã¿ã« cat file|awk ãŒé€Ÿããªã‚‹ç’°å¢ƒã¯ç¨€ã§ã€å··ã§ã¯ awk file ã®ã»ã†ãŒé€Ÿã„ç’°å¢ƒã®ã»ã†ãŒå¤šã„ã‚ˆã†ã§ã€ã©ã¡ã‚‰ãŒé€Ÿã„ã‹ã¯ç’°å¢ƒä¾å˜ã§ã™ã€‚ [root@localhost sample]# cat command1 awk '$5 ~ /((26|27|28|29|30)\/Jun|(01|02|03)\/Jul)/{ print }' sample.txt > result1.txt ï¼ˆä¸ç•¥ï¼‰ [root@localhost sample]# time sh command1 real 0m53.92
clairvy 2015/07/29
kernel
ãƒªãƒ³ã‚¯
éººéºä¸–-pensee - Linuxã‚«ãƒ¼ãƒãƒ«ã®åŸºç¤ŽçŸ¥è˜
Linuxã‚«ãƒ¼ãƒãƒ«ã®åŸºç¤ŽçŸ¥è˜ <!â€” @page { margin: 2cm } P { margin-bottom: 0.21cm } H1 { margin-bottom: 0.21cm } H1.western { font-family: â€œæ¢…Pã‚´ã‚·ãƒƒã‚¯C4â€, serif } H1.cjk { font-family: â€œæ¢…Pã‚´ã‚·ãƒƒã‚¯C4â€ } H1.ctl { font-family: â€œæ¢…Pã‚´ã‚·ãƒƒã‚¯C4â€ } H4 { margin-bottom: 0.21cm } TD P { margin-bottom: 0cm } H3 { margin-bottom: 0.21cm } A:link { so-language: zxx } â€”> ã‚«ãƒ¼ãƒãƒ«ã¯Linuxã‚·ã‚¹ãƒ†ãƒ ã®ä¸æ ¸ã‚’ãªã™é‡è¦ãªã‚½ãƒ•ãƒˆã‚¦ã‚¨ã‚¢éƒ¨å“ã§ã™ã€‚Linuxã‚’ä½¿ã„ã“ãªã™ãŸã‚ã«ã¯ï¼Œã‚«ãƒ¼ãƒãƒ«ã®å‹•ä½œã‚„ä»•çµ„ã¿ã«å¯¾ã™ã‚‹ç†è§£ãŒæ¬
clairvy 2015/06/05
Linux

kernel
ãƒªãƒ³ã‚¯
Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚„ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã‚’ãƒžãƒ«ãƒã‚³ã‚¢ã‚¹ã‚±ãƒ¼ãƒ«ã•ã›ã‚‹ãŸã‚ã®ã‚«ãƒ¼ãƒãƒ«ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚° - ã‚†ã†ã†ããƒ–ãƒã‚°
æœ¬è¨˜äº‹ã®å…¬é–‹å¾Œã®2016å¹´7æœˆã«ã¯ã¦ãªã«ãŠã‘ã‚‹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°äº‹ä¾‹ã‚’ç´¹ä»‹ã—ãŸã€‚ ã¯ã¦ãªã«ãŠã‘ã‚‹Linuxãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ã‚¿ãƒƒã‚¯ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ”¹å–„ / Linux network performance improvement at hatena - Speaker Deck HAProxy ã‚„ nginx ãªã©ã®ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚„ãƒªãƒãƒ¼ã‚¹ãƒ—ãƒã‚ã‚·ã€memcached ãªã©ã® KVS ã®ã‚ˆã†ãªé«˜ãƒ‘ã‚±ãƒƒãƒˆãƒ¬ãƒ¼ãƒˆã«ãªã‚Šã‚„ã™ã„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ãŠã„ã¦ã€å˜ä¸€ã® CPU ã‚³ã‚¢ã«è² è·ãŒåã‚Šã€ãƒžãƒ«ãƒã‚³ã‚¢ã‚¹ã‚±ãƒ¼ãƒ«ã—ãªã„ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ ä»Šå›žã¯ã€ã“ã®ã‚ˆã†ãªãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ãŠã„ã¦ CPU è² è·ãŒãƒžãƒ«ãƒã‚³ã‚¢ã‚¹ã‚±ãƒ¼ãƒ«ã—ãªã„ç†ç”±ã¨ã€ãƒžãƒ«ãƒã‚³ã‚¢ã‚¹ã‚±ãƒ¼ãƒ«ã•ã›ã‚‹ãŸã‚ã® Linux ã‚«ãƒ¼ãƒãƒ«ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚¹ã‚¿ãƒƒã‚¯ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°æ‰‹æ³•ã¨ã—ã¦ RFS (Receive Flow Steering) ã‚’
clairvy 2015/03/31
performance

kernel

network
ãƒªãƒ³ã‚¯
linux-insides/linux-bootstrap-1.md at master Â· 0xAX/linux-insides Â· GitHub
GNU/Linux kernel internals Linux kernel booting process. Part 1. If you have read my previous blog posts, you can see that some time ago I started to get involved with low-level programming. I wrote some posts about x86_64 assem bly programming for Linux. At the same time, I started to dive into the GNU/Linux kernel source code. It is very interesting for me to understand how low-level things work,
clairvy 2015/01/05
kernel

Linux
ãƒªãƒ³ã‚¯
Running Redis in production |
2014-11-11 00:00:00 -0800 Overview Redis is an excellent key/value cache that is used across many of Shokunin's customers. While redis is an great piece of software it is often difficult to obtain information about actually running it in production from an operational perspective. This article aims to discuss the necessary steps that ops teams should take before running redis in a production envir
clairvy 2014/11/29
Redis

kernel
ãƒªãƒ³ã‚¯
Etsukata blog: Docker ã‚’æ”¯ãˆã‚‹ Linux Kernel ã®æ©Ÿèƒ½ (æ¦‚è¦ç·¨)
ã¯ã˜ã‚ã« Docker ã¯ã‚³ãƒ³ãƒ†ãƒŠåž‹ä»®æƒ³åŒ–æŠ€è¡“ã‚’ä½¿ã£ã¦OSãƒ¬ãƒ™ãƒ«ä»®æƒ³åŒ–ã‚’å®Ÿç¾ã™ã‚‹ã‚³ãƒ³ãƒ†ãƒŠç®¡ç†ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã™ã€‚é¡žä¼¼ã®ã‚³ãƒ³ãƒ†ãƒŠç®¡ç†ã‚½ãƒ•ãƒˆã¨ã—ã¦ã¯ã€Docker ã®ä»–ã«ã‚‚ libvirtã€ lxc-tools ãªã©ãŒã‚ã‚Šã¾ã™ãŒã€ Docker ã«ã¯ä»¥ä¸‹ã®å¤§ããªç‰¹å¾´ãŒã‚ã‚Šã¾ã™ã€‚ Infrastructure as Code ã®æ€æƒ³ã«åŸºã¥ãã€ã‚³ãƒ³ãƒ†ãƒŠã‚’ã‚³ãƒ¼ãƒ‰(Dockerfile) ã§ç®¡ç†ã§ãã‚‹ docker indexÂ ã§ã€ã‚³ãƒ³ãƒ†ãƒŠã‚¤ãƒ¡ãƒ¼ã‚¸ã‚’æ‰‹è»½ã«å–å¾—ã€å…±æœ‰ã§ãã‚‹ Docker ã¯ä¸Šè¨˜ã®ã‚ˆã†ãªç‰¹å¾´ã‚’æŒã¤ãŸã‚ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒãƒ¼ã‚¿ãƒ“ãƒªãƒ†ã‚£ã‚’å¤§ããå‘ä¸Šã•ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ã¨æœŸå¾…ã•ã‚Œã¦ã„ã¾ã™ã€‚ å‚è€ƒï¼šNaoya Ito æ° "Dockerã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒãƒ¼ã‚¿ãƒ“ãƒªãƒ†ã‚£ã‚’è€ƒãˆã‚‹" å¤§å¤‰ä¾¿åˆ©ãª Docker ã§ã™ãŒã€Docker ã«ã‚ˆã‚‹ã‚³ãƒ³ãƒ†ãƒŠç®¡ç†ã¯ã€å®Ÿã¯æ•°å¤šãã® Linux Kernel ã®æ©Ÿèƒ½ã«
clairvy 2014/05/14
docker

kernel
ãƒªãƒ³ã‚¯
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