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Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ 第2版 何åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ック「Practical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootを使ã£ãŸREST API構築ã®åŸºç¤Žã‚’å¦ã‚“ã 。ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ãリリースã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 を使用ã—ã¦ã„る。ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘リリースã•ã‚Œã€é‡è¦ãªå¤‰...
Accelerated Mode — Ansible Documentation
You Might Not Need This!¶ Are you running Ansible 1.5 or later? If so, you may not need accelerate mode due to a new feature called “SSH pipelining†and should read the pipelining section of the documentation. For users on 1.5 and later, accelerate mode only makes sense if you (A) are managing from an Enterprise Linux 6 or earlier host and still are on paramiko, or (B) can’t enable TTYs with sudo
RHEL6ç³»ã§ansibleを使ã†ãªã‚‰record_host_keysã‚’Falseã«ã™ã‚‹ã¨é€Ÿããªã‚‹ - still deeper
tl;dr; タイトルã®é€šã‚Šã€‚RHEL6ç³»ãªã®ã§CentOS6ã€ScientificLinux6ãªã©ã‚‚該当。 Pramiko ansibleã¯å„ホストã¨ã®æŽ¥ç¶šã«ã¯sshã¨ä½¿ã„ã¾ã™ã€‚ã“ã®æ™‚ã€sshã«ã¯ControlPersistã¨ã„ã†æ©Ÿèƒ½ã«å¯¾å¿œã—ã¦ã„ã‚‹ã“ã¨ãŒå¿…è¦ã§ã€opensshãªã‚‰ãƒãƒ¼ã‚¸ãƒ§ãƒ³5.6以上ãŒå¯¾è±¡ã§ã™ã€‚ansibleã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã®å‹•ä½œã§ã¯ã€PATH上ã®sshコマンドãŒControlPersistã«å¯¾å¿œã—ã¦ã„ã‚Œã°sshを使ã„ã€ãã†ã§ãªã„å ´åˆã¯paramikoã¨ã„ã†pythonã®sshライブラリãŒç”¨ã„られるよã†ã«ãªã£ã¦ã„ã¾ã™ã€‚ RHEL6ç³»ã®opensshã¯ãƒãƒ¼ã‚¸ãƒ§ãƒ³5.3ã®ç‚ºã€ä½•ã‚‚è¨å®šã›ãšã«ä½¿ã†ã¨paramikoãŒç”¨ã„られã¾ã™ã€‚ ParamikoãŒé…ã„ ã¨ã“ã‚ãŒã“ã®paramikoを用ã„ãŸansibleã®å®Ÿè¡Œã¯ã‹ãªã‚Šé…ã„ã§ã™ã€‚ã©ã®ç¨‹åº¦é…ã„ã‹ã¯æœ«å°¾ã‚’å‚照。特ã«å°æ•°ãŒå¤šã„å ´åˆã«ãã®å½±éŸ¿
En Yüksek Kur Paykasa Bozdurma
IBM TechXchange Community Join the Community and get 30% off the TechXchange Conference. Join / Log in Where is my content? If you’re looking for developerWorks content or a Support forum and ended up here, don't panic! You are in the right place. The content you're looking for. This page will help you find the content you are looking for, get answers to your questions, and find a new community to
RHEL6 (7)cronã¨anacron
RHEL6ã§ã®cron/anacronã«ã¤ã„ã¦ã€‚ 少々変ã‚ã£ãŸéƒ¨åˆ†ãŒã‚ã‚‹ã®ã§æ³¨æ„ãŒå¿…è¦ã€‚ Table of Contents ================= 1 RHEL5ã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ« 2 RHEL6ã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ« 3 RHEL5ã¨6ã®é•ã„ 4 何ãŒèµ·ãã‚‹ã‹ï¼Ÿ 5 ãã‚‚ãã‚‚anacronã¨ã¯ 6 RHEL6ã®anacrontab 7 RHEL6ã®cron/anacron ã®é–¢ä¿‚図解 8 ãªã‚“ã§ã“ã‚“ãªè¨å®šã«ãªã£ã¦ã„ã‚‹ã‹ï¼Ÿ 9 RHEL6 cron/anacron 注æ„äº‹é …ã¾ã¨ã‚ 1 RHEL5ã®è¨å®šãƒ•ã‚¡ã‚¤ãƒ« ^^^^^^^^^^^^^^^^^^^^^^ [root@station1 ~]# ps -ef |grep cron root 1962 1 0 19:15 ? 00:00:00 crond root 2008 1 0 19:15 ? 00:00:00 anacron -s [r
Performance Tuning Red Hat Enterprise Linux 6 Jeremy Eder, Sr. Software Engineer Performance Engineering Jeremy Eder2 Agenda Jeremy Eder3 (Real) Agenda... ï¬ Performance Tuning Theory ï¬ RHEL6 Performance Improvements ï¬ tuned ï¬ cgroups Architecture
Performance Tuning Red Hat Enterprise Linux 6 Jeremy Eder, Sr. Software Engineer Performance Engineering Jeremy Eder2 Agenda Jeremy Eder3 (Real) Agenda... ï¬ Performance Tuning Theory ï¬ RHEL6 Performance Improvements ï¬ tuned ï¬ cgroups Architecture and Deep-dive ï¬ CPU Performance Tuning/Power Management ï¬ Memory/NUMA Performance Tuning ï¬ Network Performance Tuning Jeremy Eder4 Performance Tuning Fo
最近ã®Linuxã§æœ‰åŠ¹ã«ãªã£ã¦ã„ã‚‹I/Oãƒãƒªã‚¢æ©Ÿèƒ½ã¨ã€RDBã¸ã®å½±éŸ¿ | Unofficial DB2 BLOG
比較的新ã—ã„カーãƒãƒ«ã‚’採用ã—ãŸLinuxディストリビューションã§ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã®I/Oãƒãƒªã‚¢ (I/O barrier)機能ãŒãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§æœ‰åŠ¹ã«ãªã£ã¦ã„ã¾ã™ã€‚例ãˆã°Redhat Enterprise Linux (RHEL) 6ã‚„SUSE Linux Enterprise Server (SLES) 11ç‰ã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ç›´å¾Œã®çŠ¶æ…‹ã§ext4ファイルシステムã®I/Oãƒãƒªã‚¢ãŒæœ‰åŠ¹ã«ãªã£ã¦ã„るよã†ã§ã™ã€‚ I/Oãƒãƒªã‚¢ã¯ç°¡å˜ã«ã„ã†ã¨ã€ã€Œãƒãƒªã‚¢å‘½ä»¤ã€ã®å¾Œã§ç™ºè¡Œã•ã‚ŒãŸI/Oã¯ã€ãƒãƒªã‚¢å‘½ä»¤ã®å‰ã«ç™ºè¡Œã•ã‚ŒãŸI/Oã®å¾Œã«å¿…ãšå®Ÿè¡Œã•ã‚Œã‚‹ã‚ˆã†ã«ã™ã‚‹ä»•çµ„ã¿ã§ã™ã€‚ã¤ã¾ã‚ŠI/Oã®é †åºï¼ˆç‰©ç†ãƒ‡ã‚£ã‚¹ã‚¯ã«åæ˜ ã•ã‚Œã‚‹é †ç•ªï¼‰ã‚’ã¾ã‚‚らã›ã‚‹ä»•çµ„ã¿ã¨ã„ãˆã¾ã™ã€‚ ファイルシステムã«I/Oãƒãƒªã‚¢æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚ŒãŸã®ã¯ã€ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒä¸æ•´åˆãªçŠ¶æ…‹ã«ãªã‚‹å¯èƒ½æ€§ã‚’減らã™ãŸã‚ã§ã™ã€‚ ãã‚‚ãã‚‚ã€æ€¥ãªé›»æºæ–ã§ã‚‚ファイルシステムã®ä¸æ•´åˆãŒèµ·ã“
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先日SandyBridge世代CPUã®æ–°ã—ã„計算機ãŒä½¿ãˆã‚‹ã‚ˆã†ã«ãªã‚Šã¾ã—ãŸã®ã§ã€å¾“æ¥ã®ãƒžã‚·ãƒ³ã¨ã‚·ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³è¨ˆç®—時間ã®æ¯”較を行ã„ã¾ã—ãŸã€‚ ・新マシン　Xeon E5-2630 2.3GHz 6 core (TurboMax 2.8GHz) ・旧マシン　Xeon X5680 3.33GHz 6 core (TurboMax 3.6GHz) ・テスト計算　シングルコアジョブ（メモリ使用é‡ã¯å°‘ãªãã€å‡¦ç†é€Ÿåº¦ã¯CPU性能ä¾å˜ï¼‰ 周波数比㯠2.3GHz / 3.33GHz = 69% ã¨ã‹ãªã‚Šå¤§ãã„ã®ã§ã€Nehalemã¨SandyBridgeã®CPUアーã‚テクãƒãƒ£ã®é•ã„ãŒã‚ã‚‹ã¨ã„ã£ã¦ã‚‚旧マシンã®æ–¹ãŒå‡¦ç†é€Ÿåº¦ã¯é€Ÿã„ã¨äºˆæƒ³ã—ã¦ã„ã¾ã—ãŸã€‚ã¨ã“ã‚ãŒã€ä¸¡ãƒžã‚·ãƒ³ã¨ã‚‚ã»ã¼åŒã˜è¨ˆç®—時間ã§çµ‚了ã—ã¾ã—ãŸã€‚ ã“ã®è¦å› ã¨ã—ã¦ã‚¿ãƒ¼ãƒœãƒ–ーストã®å¯„与ãŒå¤§ãã„ã‹ã¨æ€ã„ cat /proc/cpuinfo ã«ã‚ˆã£ã¦CPU周波数を
Red Hat Enterprise Linux - Red Hat Customer Portal
Performance Tuning Guide 1. Overview Expand section "1. Overview" Collapse section "1. Overview" 1.1. How to read this book Expand section "1.1. How to read this book" Collapse section "1.1. How to read this book" 1.1.1. Audience 1.2. Release overview Expand section "1.2. Release overview" Collapse section "1.2. Release overview" 1.2.1. New features in Red Hat Enterprise Linux 6 1.2.2. Horizontal
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Achieving Top Network Performance Mark Wagner Principal Engineer, Red Hat Inc. 06.27.12 Not Covered â— Bonding â— RHEL5 â— Wireless â— Coding examples â— Some mentions of tips Take Aways â— Awareness of the issues â— Awareness of tools â— Guideli
Achieving Top Network Performance Mark Wagner Principal Engineer, Red Hat Inc. 06.27.12 Not Covered â— Bonding â— RHEL5 â— Wireless â— Coding examples â— Some mentions of tips Take Aways â— Awareness of the issues â— Awareness of tools â— Guidelines Take Aways â— You will leave this discussion with: â— An understanding of some issues affecting server network performance â— Tools to help you evaluate your ne
RHEL6/CentOS6ã§ã¯ã€single-request-reopen ã‚’å¿…é ˆã«ã—ãŸã„…
2012-11-02 çµè«–ã‹ã‚‰è¨€ãˆã°ã€ã¨ã‚Šã‚ãˆãš RHLE6/CentOS6 ãªäººã¯ /etc/resolv.conf ã« options single-request-reopen を書ã„ã¦ãŠã“ã†ã¨ã„ã†è©±ã§ã™(全部å°æ–‡å—ã§ã™ã‚ˆã€å¿µã®ãŸã‚） ãªãœã‹ï¼Ÿ RHEL5/CentOS5/Ubuntu 10.04ãªLinuxã¨ã‹ã§ã¯ã€FQDN ã®è§£æ±ºã‚’ã™ã‚‹ã¨ãã« DNSã‚ャッシュサーãƒã« AAAA RR ã® Queryを投ã’ã‚‹ AAAA RR ã® Reply ã‚’å—ã‘ã‚‹ DNSã‚ャッシュサーãƒã« A RR ã® Queryを投ã’ã‚‹ A RR ã® Reply ã‚’å—ã‘ã‚‹ ã¨ã„ã†æŒ™å‹•ã§ã—ãŸãŒã€RHEL6/CentOS6 ã§ã¯ DNSã‚ャッシュサーãƒã« A RR ã® Queryを投ã’ã‚‹ DNSã‚ャッシュサーãƒã« AAAA RR ã® Queryを投ã’ã‚‹ A RR ã® Reply ã‚’å—ã‘ã‚‹ AAAA RR ã® Re
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ã¿ãªã•ã‚“ã©ã†ã‚‚ã“ã‚“ã«ã¡ã¯ã€‚CTOã®é¦¬å ´ã§ã™ã€‚ 最近DELLã®ã‚µãƒ¼ãƒ(R410)ã§ã€CentOS6.3を使ã£ã¦LVS+keepalivedãªãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’構築ã—ãŸã‚‰ 見事ã«ãƒãƒžã£ãŸã‚Šã—ãŸã®ã§è¨˜å¿µãƒã‚¹ãƒˆã€‚ ã¡ã‚‡ã£ã¨é•·ã„ã®ã§ã€ä¸€ç•ªã®ãƒ‰ãƒãƒžãƒªã ã‘見ãŸã„æ–¹ã¯æœ€å¾Œã®ã€Œé€šä¿¡é€Ÿåº¦ãŒè‘—ã—ãé…ã„件ã€ã ã‘ã§ã‚‚見ã¦ã„ãŸã ã‘ã‚‹ã¨ã‚ˆã‚ã—ã„ã‹ã¨æ€ã„ã¾ã™ã€‚ã‹ã—ã“。 eth0ã€eth1ãŒãªã„件 ã„やー。ã³ã³ã£ãŸã€‚ã¾ã˜ã§ã³ã³ã£ãŸã€‚ インターフェースåãŒem1ã€em2ã«ãªã£ã¦ã¾ã™ã€‚ãã‚‚ã„。 ã“ã®ã‚ãŸã‚Šã‚’å‚考ã«å¯¾å¿œã—ã¾ã™ã€‚ Getting back to using eth0 in Fedora 15 /boot/grub/grub.conf ã« biosdevname=0 追記 /etc/udev/rules.d/70-persistent-net.rules ã® NAME を変更 /etc/sysconfig/networ
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Red Hat Enterprise Linux - Red Hat Customer Portal
[HADOOP-7154] Should set MALLOC_ARENA_MAX in hadoop-config.sh - ASF JIRA
system performance using RHEL6 default scheduler is worse than RHEL5 - Red Hat Customer Portal
Red Hat Enterprise Linux Performance and Scalability May 2012 D. John Shakshober (Shak) Director Red Hat Performance Engineering Larry Woodman Consulting Engineer 
Deploying Oracle Database 11g R2 on Red Hat Enterprise Linux 6
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