[B! performance] rin51ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

rin51 id:rin51

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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‚’
rin51 2021/03/15
linux

performance

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

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ãƒ–ãƒ©ã‚¦ã‚¶ã«ãŠã‘ã‚‹ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’è§£æ±ºã™ã‚‹ãŸã‚ã«èªã‚“ã§ãŠã‘ã‚‹ã¨è‰¯ã„è³‡æ–™ - mizdra's blog
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rin51 2021/02/10
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GC

performance

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

Chrome

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ã‚ˆãçŸ¥ã‚‰ãªã„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®æ€§èƒ½ã¨æˆ¦ã‚ãªã„ã¨ã„ã‘ãªã„ã¨ãã®é˜²è¡›è¡“ï¼ˆå‰ç·¨ï¼‰ - Qiita
ã‚ˆãçŸ¥ã‚‰ãªã„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®æ€§èƒ½ã¨æˆ¦ã†ã€ã¨ã„ã†çŠ¶æ³ SNSã«ã‚ãƒ£ãƒ³ãƒšãƒ¼ãƒ³è¼‰ã›ãŸã‚‰ãƒã‚ºã£ã¦ã‚µã‚¤ãƒˆãŒãšã£ã¨503ãªã‚“ã§ã™ã€ãªã‚“ã¨ã‹ãªã‚Šã¾ã›ã‚“ã‹ï¼Ÿ ãƒãƒƒãƒãŒã„ã¤ã‚‚ã®æ™‚é–“ã«çµ‚ã‚ã‚‰ãªã„ã‚“ã§ã™ã‘ã©ã€æ€¥ãŽè¦‹ã¦ãã ã•ã„ï¼ ã¿ãŸã„ãªé€£çµ¡ã‚’ã€ãã‚ãã‚å¸°ã‚‹ã‹ã¨æ€ã£ãŸ21æ™‚ã¨ã‹æ˜Žã‘æ–¹5æ™‚ã¨ã‹ã«é›»è©±ãŒé³´ã£ã¦å—ã‘ã‚‹ã“ã¨ã£ã¦ã€ãã“ãã“ã‚ã‚‹ã¨æ€ã†ã‚“ã§ã™ã€‚ ç§ãŒè¨è¨ˆã—ãŸã‚ã‘ã§ã‚‚ãªãé–‹ç™ºã—ãŸã‚ã‘ã§ã‚‚ãªãã€ãƒ¬ãƒ“ãƒ¥ãƒ¼å‚åŠ ã¨ã‹ã§è¾›ã†ã˜ã¦å…¨ä½“ã¯åˆ†ã‹ã‚‹ã‘ã©ã€ã„ã¾ã‹ã‚‰ã‚½ãƒ¼ã‚¹è¦‹ã‚‹æ™‚é–“ã‚‚ãªã„ã—ã€é–‹ç™ºã—ãŸæ–¹ã¯æ€§èƒ½é¢ã®å¯¾å‡¦ãŒè¦šæŸãªã„ã€‚çªç„¶æ€§èƒ½é¢ã§ç«ã‚’å™´ã„ã¦ãªãœã‹è‡ªåˆ†ãŒå¬å–šã•ã‚Œã¦2~3æ™‚é–“ã§ã©ã†ã«ã‹ã—ãŸã„ã€ã¨ã„ã†é—‡ãªçŠ¶æ³ã«ã©ã†ã„ã†ãµã†ã«å¯¾å¿œã—ã¦ã„ãŸã£ã‘è‡ªåˆ†ã€ã¨ã„ã†ã®ã‚’çµŒé¨“å‰‡100%ã§æ›¸ã„ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ ã“ã®å‰ç·¨ã¯é“å…·ã®ç´¹ä»‹(OSç·¨)ã€ä¸ç·¨ã¯é“å…·ã®ç´¹ä»‹(Java)ã€å¾Œç·¨ã¯é“å…·ã®ç´¹ä»‹(PostgreSQL)ã§ã™ã€‚ ä¸ç·¨ â†’ https://q
rin51 2020/12/07
ãƒ—ãƒã‚»ã‚¹

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

performance

OS

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iovisor/bcc: BCC - Tools for BPF-based Linux IO analysis, networking, monitoring, and more
BCC is a toolkit for creating efficient kernel tracing and manipulation programs, and includes several useful tools and examples. It makes use of extended BPF (Berkeley Packet Filters), formally known as eBPF, a new feature that was first added to Linux 3.15. Much of what BCC uses requires Linux 4.1 and above. eBPF was described by Ingo MolnÃ¡r as: One of the more interesting features in this cycle
rin51 2020/05/25
linux

kernel

bcc

monitoring

profiling

performance

bpf

trace

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GitHub - Microsoft/Ethr: Ethr is a Network Performance Measurement Tool for TCP, UDP & HTTP.
Ethr is a cross platform network performance measurement tool written in golang. The goal of this project is to provide a native tool for comprehensive network performance measurements of bandwidth, connections/s, packets/s, latency, loss & jitter, across multiple protocols such as TCP, UDP, HTTP, HTTPS, and across multiple platforms such as Windows, Linux and other Unix systems. Ethr takes inspir
rin51 2020/04/25
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performance

microsoft
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Cannot open /var/log/sysstat/sa20: No such file or directory
rin51 2019/04/24
sarã‚³ãƒžãƒ³ãƒ‰

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Linuxã§CPUä½¿ç”¨çŽ‡ã‚’ä¸Šã’ã‚‹ã‚³ãƒžãƒ³ãƒ‰ - ablog
ã„ã„ã‚‚ã®ã‚’è¦‹ã¤ã‘ãŸã®ã§ã‚³ãƒ”ãƒšã€‚ yes >> /dev/null & æœ€å¾Œã« & ãŠå‹§ã‚ ï½—ï¼ˆäºŒã¤ã‚¿ãƒ¼ãƒŸãƒŠãƒ«ãŒå¿…è¦ã§ãªããªã‚‹ã€‚ï¼‰ ã¡ãªã¿ã« ãƒ¡ãƒ¢ãƒªè² è·ã‚’ã‚ã’ã‚‹é”æ³•ã®ã‚³ãƒžãƒ³ãƒ‰ /dev/null < $(yes) & Linuxã§CPUè² è·ã‚’ä¸Šã’ã‚‹é”æ³•ã®ã‚³ãƒžãƒ³ãƒ‰ - Qiita ">>" ã¯ ">" ã§ã‚‚è‰¯ã„ã¨æ€ã†ãŒã€ä½•ã‹ç‰¹åˆ¥ãªç†ç”±ãŒã‚ã£ã¦">>"ã«ã—ã¦ã„ã‚‹ã®ã ã‚ã†ã‹ã€‚ è¿½è¨˜(2014/10/08): ãŸã ã®ãƒ¡ãƒ¢ã«ã¯ã¦ãƒ–ãŒãŸãã•ã‚“ï¼ˆå½“ç¤¾æ¯”ï¼‰ã¤ã„ã¦ãƒ“ãƒƒã‚¯ãƒª(^-^; ã‚³ã‚¢æ•°ã«å¯¾ã™ã‚‹è€ƒæ…®ãŒè¶³ã‚Šãªã„ã€‚ ã‚³ã‚¢æ•°ã«å¯¾ã™ã‚‹è€ƒæ…®ãŒè¶³ã‚Šãªã„ã€‚ - gomakyuã®ã‚³ãƒ¡ãƒ³ãƒˆ / ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ ã¨ã‚³ãƒ¡ãƒ³ãƒˆã‚’é ‚ã„ãŸé€šã‚Šã€ä¸Šè¨˜ã®ã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã—ã¦ã‚‚1ã¤ã®è«–ç†CPUã‚’ä½¿ã„åˆ‡ã‚‹ã ã‘ã§ã™ã€‚ ä¾‹ãˆã°ä¸Šã®å›³ã®é€šã‚Šã€1ã‚½ã‚±ãƒƒãƒˆ * 4ã‚³ã‚¢ * 2ã‚¹ãƒ¬ãƒƒãƒ‰ ã§è«–ç†CPUæ•°ãŒ8ã®å ´åˆã¯ã€ã–ã£ãã‚Šã€1å¤šé‡ã§å®Ÿè¡Œã™ã‚‹ã¨12.5%
rin51 2019/04/19
CPU

è² è·ãƒ†ã‚¹ãƒˆ

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

performance

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perfä½¿ã£ã¦ã¿ãŸ - Qiita
Samples: 72K of event 'cpu-clock', Event count (approx.): 2471353254 Overhead Shared Object Symbol 3.76% [kernel] [k] find_vma 3.56% [kernel] [k] __d_lookup 2.44% [kernel] [k] avc_has_perm_noaudit 2.42% [kernel] [k] __link_path_walk 2.39% libjvm.so [.] 0x00000000004743a3 1.89% [kernel] [k] prof_syscall_enter 1.72% [kernel] [k] inode_has_perm 1.64% libc-2.12.so [.] mkfifo 1.34% [kernel] [k] selinux
rin51 2018/07/25
ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

perf

performance
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https://perf.wiki.kernel.org/index.php/Tutorial
rin51 2018/07/25
ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

perf

performance
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Netflix at Velocity 2015: Linux Performance Tools
There are many performance tools nowadays for Linux, but how do they all fit together, and when do we use them? At Velocity 2015, I gave a 90 minute tutorial on Linux performance tools. Iâ€™ve spoken on this topic before, but given a 90 minute time slot I was able to include more methodologies, tools, and live demonstrations, making it the most complete tour of the topic Iâ€™ve done. The video and sli
rin51 2018/07/25
ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

performance
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perfã®ä½¿ã„ã‹ãŸ
æ¦‚è¦ Linuxã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹è§£æžãƒ„ãƒ¼ãƒ«ã§ã‚ã‚‹perfã®ä½¿ã„ã‹ãŸã®ç´¹ä»‹ èƒŒæ™¯ å€‹äººçš„ã«perfã‚ˆãã§ãã¦ã‚‹ã¨æ€ã†ã®ã§ç´¹ä»‹ã—ãŸã„ã¨ã„ã†ã®ã¨ã€ ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚«ã‚¦ãƒ³ã‚¿ã®èªã¿æ–¹ã£ã¦ã‚ã‚“ã¾ã‚ŠçŸ¥ã‚‰ã‚Œã¦ãªã„ã¿ãŸã„ãªã®ã§ã€ ãã‚Œã®è§£èª¬ã‚’æ›¸ããŸã„ã€‚ æ§‹æˆ perf ã«ã¤ã„ã¦èª¬æ˜Žã—ãŸã‚ã¨ã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚«ã‚¦ãƒ³ã‚¿ã®èªã¿ã‹ãŸã€è¦‹ã‹ãŸã€ã‚’èª¬æ˜Žã™ã‚‹ã€‚ perfã¨ã¯ä½•ã‹ Linuxã«ä»˜ã„ã¦ãã‚‹ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ã€‚ man perf ã«ã‚ˆã‚‹ã¨ã€ NAME ---- perf - Performance analysis tools for Linux ã¨ã€æ›¸ã„ã¦ã‚ã‚‹ã€‚åå‰ãŒã²ã©ã„ã®ã§ãªã‚“ã¨ã‹ã—ã¦ã»ã—ã„ã€‚ perf ã®ç‰¹å¾´ å€‹äººçš„ã«ã¯ã€æ‰‹è»½ã«ä½¿ãˆã‚‹ã®ãŒç´ æ™´ã‚‰ã—ã„ã¨æ€ã†ã€‚ 2.6.31ä»¥é™ã‚«ãƒ¼ãƒãƒ«ã«æ¨™æº–ã§ä»˜ã„ã¦ã‚‹ã€‚(Ubuntuã ã¨linux-tools-common(TODO:ã‚ã¨ã§ç¢ºèª)ã§å…¥ã‚‹ã¯ãš) ç‰¹æ®Šãªè¨å®šãŒå¿…è¦ç„¡ãã€
rin51 2018/07/25
ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

linux

perf

performance
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How to find disk I/O latency with ioping monitoring tool on Linux
How do I monitor disk I/O latency in real time on Linux, FreeBSD, OpenBSD, and MacOS operating system? You can use ioping tool to monitor I/O latency in real time. It shows disk latency in the same way as ping command shows network latency on Linux or Unix-like system. Installation Install as per your operating system. Install ioping on a Debian/Ubuntu/Mint Linux Type the following apt-get command
rin51 2017/12/24
performance

ioping ping ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³
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rin51 2017/12/16
Jenkins

deploy

ci

nulab

aws

ãƒ“ãƒ«ãƒ‰

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rin51 2016/07/10
mackerel

performance

graphite

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linux

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High Performance tDiary
Performance Improvement of Ruby code.
rin51 2016/04/24
tdiary

ruby

performance

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rin51 2016/02/21
apache

ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯

ã‚µãƒ¼ãƒ

performance

benchmark

WEB

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rin51 2015/12/29
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performance

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rin51 2015/03/24
ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

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web
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rin51 2015/01/12
ruby

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

performance

ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«

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rin51 2015/01/12
ruby

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

performance

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