[B! Linux][storage] kana321ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

kana321 id:kana321

Linuxã¨storageã«é–¢ã™ã‚‹kana321ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ç¬¬1å›žã€€memcached 1.4ã€åŸºæœ¬ã®åŸºæœ¬ | gihyo.jp
ä»Šå›žã¯ã€1.4ã«ãªã£ã¦ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã•ã‚ŒãŸæ–°æ©Ÿèƒ½ã‚’ä¸å¿ƒã«ç´¹ä»‹ã—ã¾ã™ã€‚ memcachedã¨ã¯ï¼Ÿ memcachedã¨ã¯ã€ä¸»ã«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¸ã®è² è·ã‚’ä¸‹ã’ã€ã‹ã¤Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã‚’ã‚³ã‚¹ãƒˆãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹è‰¯ãå‘ä¸Šã•ã›ã‚‹é«˜æ€§èƒ½ãªåˆ†æ•£ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã§ã™ã€‚memcachedã®åŸºæœ¬ã‚„æ¦‚è¦ã«é–¢ã—ã¦ã¯ã€ä»¥å‰ãƒŸã‚¯ã‚·ã‚£é‹ç”¨ã‚°ãƒ«ãƒ¼ãƒ—ã®é•·é‡Žã¨åŸ·ç†ã—ãŸã€Œmemcachedã‚’çŸ¥ã‚Šå°½ãã™ã€ã‚’ã”è¦§ãã ã•ã„ã€‚ memcached 1.4ã®ç‰¹å¾´ 1.4ã€5ã¤ã®ç‰¹å¾´ memcached 1.4ã®å¤§ããªãƒ‹ãƒ¥ãƒ¼ã‚¹ã®1ã¤ã¯ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®æ£å¼å°Žå…¥ã§ã™ã€‚ã¾ãŸã€ä»–ã«ã‚‚è‰²ã€…ã¨å¬‰ã—ã„æ©Ÿèƒ½ã‚„æ”¹ä¿®ãŒæ–½ã•ã‚Œã¦ã„ã¾ã™ã€‚è©³ã—ãã¯1.4ã®ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã«è¨˜è¿°ã•ã‚Œã¦ã„ã¾ã™ãŒã€è¦ç´„ã™ã‚‹ã¨ä»¥ä¸‹ã®5ç‚¹ãŒä¸Šã’ã‚‰ã‚Œã¾ã™ã€‚ ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®æ£å¼å°Žå…¥ ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å‘ä¸Š çµ±è¨ˆã‚·ã‚¹ãƒ†ãƒ ã®å¼·åŒ– å ±å‘Šã•ã‚ŒãŸãƒã‚°ã®ä¿®æ£ ãƒ†ã‚¹ãƒˆã®å¼·åŒ– å…¥æ‰‹å…ˆ memc
kana321 2014/11/08
memcached 1.4ï¼ŒåŸºæœ¬ã®åŸºæœ¬

Linux

memcached

ã‚ã¨ã§èªã‚€

programming

database

åˆ†æ•£

ã‚ãƒ£ãƒƒã‚·ãƒ¥

server

development

storage
ãƒªãƒ³ã‚¯
ç¬¬231å›žã€€ownCloudã§è‡ªåˆ†å°‚ç”¨ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ | gihyo.jp
ownCloudã¯WebDAVã‚’ä½¿ã£ãŸãƒ•ã‚¡ã‚¤ãƒ«å…±æœ‰ã‚µãƒ¼ãƒ“ã‚¹ã‚’ç«‹ã¡ä¸Šã’ã‚‹ãŸã‚ã®ã€FLOSSãªã‚µãƒ¼ãƒãƒ¼ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ã™ã€‚2012å¹´5æœˆ24æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸ4.0ã¯ã€éžå¸¸ã«å¤šãã®æ–°æ©Ÿèƒ½ãŒè¿½åŠ ã•ã‚Œã€æ—¢å˜ã®æœ‰æ–™ã‚µãƒ¼ãƒ“ã‚¹ã«ã‚‚å¼•ã‘ã‚’å–ã‚‰ãªã„å®Œæˆåº¦ã«ä»•ä¸ŠãŒã£ã¦ãã¾ã—ãŸã€‚ãã“ã§ä»Šå›žã¯ã“ã®ownCloudã‚’Ubuntuä¸Šã§è©¦ã—ã¾ã™ã€‚ ownCloudã¨ã¯ ownCloudã¯KDEã‚„SUSEã®é–‹ç™ºè€…ãŒé–‹ç™ºã—ãŸã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã®ãƒ•ã‚¡ã‚¤ãƒ«å…±æœ‰ã‚µãƒ¼ãƒãƒ¼ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ã™ã€‚ãã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¯AGPLv3ã§ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã•ã‚Œã¦ãŠã‚Šã€ç¾åœ¨ã¯ownCloudã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã§ç„¡å„Ÿã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆã‚’é–‹ç™ºã—ã€ãã‚Œã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹ownCloudç¤¾ãŒå•†ç”¨ã‚µãƒãƒ¼ãƒˆã‚’æä¾›ã™ã‚‹ã¨ã„ã†é–‹ç™ºä½“åˆ¶ã‚’ã¨ã£ã¦ã„ã¾ã™ã€‚ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆã¨æœ‰å„Ÿç‰ˆã®é•ã„ã¯ä¸»ã«ã‚µãƒãƒ¼ãƒˆã®æœ‰ç„¡ã¨ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã®é•ã„ã§ã‚ã‚Šã€ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆã§ã‚‚ã»ã¼å…¨æ©Ÿèƒ½ã‚’ä½¿ã†ã“ã¨ãŒå¯èƒ½ã§ã™ã€‚ å›³1ã€€ãƒ–ãƒ©
kana321 2014/11/06
ownCloudã§è‡ªåˆ†å°‚ç”¨ã‚¯ãƒ©ã‚¦ãƒ‰ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸

ãƒ•ã‚¡ã‚¤ãƒ«å…±æœ‰

ã‚µãƒ¼ãƒ

Linux

webã‚µãƒ¼ãƒ“ã‚¹

ã‚¯ãƒ©ã‚¦ãƒ‰

PHP

ownCloud

CLOUD

Storage

Ubuntu
ãƒªãƒ³ã‚¯
æ»ã«ã‹ã‘ã®HDDã‹ã‚‰ã®ãƒ‡ãƒ¼ã‚¿å¸ã„å‡ºã—ã«ã¯ GNU ddrescue ãŒè‰¯ã„ã‚‰ã—ã„ - çŽ‰è™«è‰²ã«æŸ“ã¾ã‚Œ!!
ä»Šæ—¥ã¯è¶…å°ãƒã‚¿ã€‚ ï¼ˆã¨ã„ã†ã‹ã€è¨€ã„ãŸã„ã“ã¨ã¯è¨˜äº‹ã‚¿ã‚¤ãƒˆãƒ«ã§è¨€ã„åˆ‡ã£ã¦ã—ã¾ã£ã¦ã¾ã™ã€‚ï¼‰ å…ˆæ—¥ã€å®¶ã§ã‚µãƒ¼ãƒãƒ¼ã¨ã—ã¦ä½¿ã£ã¦ã„ã‚‹PCã®HDDã®èª¿åãŒãŠã‹ã—ããªã£ã¦ã„ãŸã®ã§ã€ãƒ‡ãƒ¼ã‚¿ã®å¼•ãä¸Šã’ã‚’è¡ŒãŠã†ã¨ã—ãŸã®ã§ã™ãŒã€dd ã§ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’ã„ã‚ã„ã‚è¨å®šã™ã‚‹ã®ã¯é¢å€’ã ã—ã€è‰¯ã„ãƒ„ãƒ¼ãƒ«ãªã‚Šã‚¹ã‚¯ãƒªãƒ—ãƒˆãªã‚ŠãŒãªã„ã‹ã¨æŽ¢ã—ãŸã¨ã“ã‚ã€ddrescue ã¨ã„ã†ãƒ—ãƒã‚°ãƒ©ãƒ ãŒã‚ã‚‹ã“ã¨ã‚’çŸ¥ã‚Šã¾ã—ãŸã€‚ ï¼’ã¤ã® ddrescue ãŸã ã€ã¡ã‚‡ã£ã¨ã—ãŸç½ ãªã®ã§ã™ãŒã€ddrescure ã¨ã„ã†åå‰ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ï¼’ç¨®é¡žã‚ã‚Šã¾ã™ã€‚ http://www.garloff.de/kurt/linux/ddrescue/ http://www.gnu.org/software/ddrescue/ ã©ã¡ã‚‰ã‚‚ ddrescue ã§ã€åŒã˜ç›®çš„ãƒ»æ©Ÿèƒ½ã®ã‚‚ã®ã§ã™ãŒã€ã¾ã£ãŸãåˆ¥ã®ã‚½ãƒ•ãƒˆã§ã™ã€‚ åŒºåˆ¥ã—ã¦å‘¼ã¶å ´åˆã€å‰è€…ã¯ dd_rescueã€å¾Œè€…ã¯ GNU dd
kana321 2014/05/13
ãƒ‡ãƒ¼ã‚¿

HDD

Linux

GNU

ãƒ„ãƒ¼ãƒ«

storage

PC

tips

ddrescue

trouble-shooting
ãƒªãƒ³ã‚¯
Linux Storage Filesystem/MM Summit 2014ã‹ã‚‰ã®ä¾¿ã‚Š
Linux Storage Filesystem/MM Summit 2014ã‹ã‚‰ã®ä¾¿ã‚Šï¼šLinux Kernel Watchï¼ˆ1/2 ãƒšãƒ¼ã‚¸ï¼‰ ãŠä¹…ã—ã¶ã‚Šã§ã™ã€Linux Kernel WatchãŒå¸°ã£ã¦ãã¾ã—ãŸã€‚3æœˆã«è¡Œã‚ã‚ŒãŸã€ŒLinux Storage Filesystem/MM Summit 2014ã€ã®ä¸»ãªãƒˆãƒ”ãƒƒã‚¯ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ çš†ã•ã‚“ã€ãŠä¹…ã—ã¶ã‚Šã§ã™ã€‚ç§ã¯ä»Šãƒœã‚¹ãƒˆãƒ³ã§ã€ç±³ãƒ¬ãƒƒãƒ‰ãƒãƒƒãƒˆå¸¸é§ã¨ã„ã†ç«‹å ´ã§Red Hat Enterprise Linuxï¼ˆRHELï¼‰é–‹ç™ºã«æºã‚ã£ã¦ã„ã¾ã™ã€‚ ä»Šå›žã¯ã‚µãƒ³ãƒ•ãƒ©ãƒ³ã‚·ã‚¹ã‚³è¿‘éƒŠã®ãƒŠãƒ‘ãƒãƒ¬ãƒ¼ã§2014å¹´3æœˆ24ï½ž25æ—¥ã«è¡Œã‚ã‚ŒãŸã€ŒLinux Storage Filesystem/MM Summit 2014ã€ï¼ˆä»¥ä¸‹LSF/MMï¼‰ã®ä¸ã‹ã‚‰é¢ç™½ã‹ã£ãŸãƒˆãƒ”ãƒƒã‚¯ã‚’ãƒ”ãƒƒã‚¯ã‚¢ãƒƒãƒ—ã—ã¦ãŠå±Šã‘ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ LSF/MMã¯Linux Foundationä¸»å‚¬ã§è¡Œ
kana321 2014/04/24
Linux Kernel WatchãŒå¸°ã£ã¦ãã¾ã—ãŸã€‚3æœˆã«è¡Œã‚ã‚ŒãŸã€ŒLinux Storage Filesystem/MM Summit 2014ã€ã®ä¸»ãªãƒˆãƒ”ãƒƒã‚¯ã‚’ç´¹ä»‹ã—ã¾ã™

ï¼ IT

Linux

ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹

kernel

ãƒ›ãƒƒãƒˆã‚¨ãƒ³ãƒˆãƒª

filesystem

postgresql

storage

ã¾ã¨ã‚

æŠ€è¡“
ãƒªãƒ³ã‚¯
ã€ŒLinuxãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æŠ€è¡“è§£èª¬ã€é–¢é€£ã®æœ€æ–° ãƒ‹ãƒ¥ãƒ¼ã‚¹ãƒ»ãƒ¬ãƒ“ãƒ¥ãƒ¼ãƒ»è§£èª¬ è¨˜äº‹ ã¾ã¨ã‚ - ITmedia Keywords
Linuxãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æŠ€è¡“è§£èª¬ï¼ˆ7ï¼‰ï¼š 64bitãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ XFSã®å®Ÿè£… XFSã¯ã€å·¨å¤§ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã§ã®åˆ©ç”¨ã‚’è¦–é‡Žã«å…¥ã‚ŒãŸ64bitãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã§ã‚ã‚‹ã€‚è†¨å¤§ãªé ˜åŸŸã‚’åŠ¹çŽ‡çš„ã«åˆ©ç”¨ã™ã‚‹ãŸã‚ã€XFSã«ã¯ã•ã¾ã–ã¾ãªä»•çµ„ã¿ãŒçµ„ã¿è¾¼ã¾ã‚Œã¦ã„ã‚‹ã€‚ï¼ˆç·¨é›†å±€ï¼‰ï¼ˆ2004/8/24ï¼‰ Linuxãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æŠ€è¡“è§£èª¬ï¼ˆ6ï¼‰ï¼š JFSã®ãƒ•ã‚¡ã‚¤ãƒ«ç®¡ç†ã¨ã‚¸ãƒ£ãƒ¼ãƒŠãƒªãƒ³ã‚°ã®å®Ÿè£… AIXã§ç”Ÿã¾ã‚Œã€OS/2 Warpã®ã‚½ãƒ¼ã‚¹ãŒLinuxã«ç§»æ¤ã•ã‚ŒãŸJFSã€‚ãã®ãƒ•ã‚¡ã‚¤ãƒ«ç®¡ç†æ©Ÿæ§‹ã¨ã‚¸ãƒ£ãƒ¼ãƒŠãƒªãƒ³ã‚°ãŒã©ã®ã‚ˆã†ã«å®Ÿè£…ã•ã‚Œã¦ã„ã„ã‚‹ã®ã‹ã‚’è§£èª¬ã™ã‚‹ã€‚ï¼ˆç·¨é›†å±€ï¼‰ï¼ˆ2004/3/30ï¼‰ Linuxãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ æŠ€è¡“è§£èª¬ï¼ˆ5ï¼‰ï¼š é€²åŒ–ã—ç¶šã‘ã‚‹ReiserFS Linuxç”¨ã‚¸ãƒ£ãƒ¼ãƒŠãƒªãƒ³ã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦ã¯å¤å‚ã¨ã‚‚ã„ãˆã‚‹ReiserFSã€‚ãã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚„æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã€ŒReiser4ã€ã®æ©Ÿèƒ½ã«ã¤ã„ã¦è§£èª¬ã™ã‚‹ã€‚ï¼ˆç·¨é›†å±€ï¼‰ï¼ˆ20
kana321 2014/02/24
*thresh25

ReiserFS

JFS

Linux

VFS

filesystem

ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ

storage

ext3

XFS
ãƒªãƒ³ã‚¯
2TBã‚’è¶…ãˆã‚ï¼ ATAãƒ‡ã‚£ã‚¹ã‚¯ã®4Kã‚»ã‚¯ã‚¿å•é¡Œã¨ã¯ï¼Ÿï¼ˆ1/2ï¼‰ ï¼ ï¼ IT
3æœˆç‰ˆã€€2TBã‚’è¶…ãˆã‚ï¼ ATAãƒ‡ã‚£ã‚¹ã‚¯ã®4Kã‚»ã‚¯ã‚¿å•é¡Œã¨ã¯ï¼Ÿ å°å´Žè³‡åºƒ 2010/4/7 å‰å›žæ›¸ã„ãŸsys_membarrier()ã§ã™ãŒã€ãªã‹ãªã‹ãƒžãƒ¼ã‚¸ã•ã‚Œãªã„çŠ¶æ…‹ãŒç¶šã„ã¦ã„ã¾ã™ã€‚ã ã„ãŸã„è°è«–ã‚‚å‡ºå°½ãã—ã¦å¾Œã¯ãƒžãƒ¼ã‚¸ã™ã‚‹ã ã‘ã ã¨æ€ã£ã¦ã„ã‚‹ã®ã§ã™ãŒã€ã©ã†ã‚‚Ingoã¯æ°—ã«å…¥ã‚‰ãªã„ã”æ§˜åã€‚ãŸã¶ã‚“ã‚ªãƒ¬å°‚ç”¨APIã£ã·ã‚ŠãŒç¾Žçš„æ„Ÿè¦šã«åˆã‚ãªã„ã®ã§ã—ã‚‡ã†ã€‚ã„ã¤ã‚‚ã€ŒGenericã«ä½¿ãˆã‚‹ã‚ˆã†ã«ã€ã£ã¦ã„ã„ã¾ã™ã‹ã‚‰ã€‚ Compactionãƒ‘ãƒƒãƒã¯ã€ãƒžãƒ¼ã‚¸ã®ä¸€ç•ªã®ãƒãƒƒã‚¯ã ã£ãŸkosakiãŒãªã‹ãªã‹ãƒ¬ãƒ“ãƒ¥ãƒ¼ã—ãªã„å•é¡Œã¯å…ˆæœˆè‹¥å¹²é€²å±•ã—ã¦ã€ãƒžãƒ¼ã‚¸ã™ã‚‹æ–¹å‘ã§é€²ã‚“ã§ã„ã‚‹ã¿ãŸã„ã§ã™ã€‚ ã•ã¦ã€ä»Šæœˆã¯ä¹…ã—ã¶ã‚Šã«ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®ãŠè©±ã§ã™ã€‚ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ã®å®¹é‡ãŒ2TiBï¼ˆç·¨æ³¨ï¼šãƒ†ãƒ“ãƒã‚¤ãƒˆã€1024GiBï¼‰ã‚’è¶…ãˆã‚‹ã®ã¨å‰å¾Œã—ã¦ã€4KiBï¼ˆç·¨æ³¨ï¼šã‚ãƒ“ãƒã‚¤ãƒˆã€1024bytesï¼‰ã‚»ã‚¯ã‚¿ã®ãƒãƒ¼ãƒ‰ãƒ‡ã‚£ã‚¹ã‚¯ãŒå‡ºå›žã‚Šå§‹ã‚ã¦ã„ã¾ã™ã€‚ã“ã‚Œã«ã¤ã„ã¦ãƒãƒ¼
kana321 2014/01/31
Compactionãƒ‘ãƒƒãƒã¯ã€ãƒžãƒ¼ã‚¸ã®ä¸€ç•ªã®ãƒãƒƒã‚¯ã ã£ãŸkosakiãŒãªã‹ãªã‹ãƒ¬ãƒ“ãƒ¥ãƒ¼ã—ãªã„å•é¡Œã¯å…ˆæœˆè‹¥å¹²é€²å±•ã—ã¦ã€ãƒžãƒ¼ã‚¸ã™ã‚‹æ–¹å‘ã§é€²ã‚“ã§ã„ã‚‹ã¿ãŸã„ã§ã™

ï¼ IT

()

æŠ€è¡“

linux

hdd

kernel

windows

ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢

PC

storage
ãƒªãƒ³ã‚¯
1