[B! memcached] fn7ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

fn7 id:fn7

memcachedã«é–¢ã™ã‚‹fn7ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

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memcachedã§ã‚ãƒ¼ä¸€è¦§ã‚’å–å¾—ã—ãŸã„æ™‚ã« - UNIXçš„ãªã‚¢ãƒ¬
å®Ÿéš›ã®ã‚µãƒ¼ãƒ“ã‚¹é‹ç”¨æ™‚ã¯ãªã„ã¨æ€ã„ã¾ã™ãŒã€debugã—ã¦ã„ã‚‹ã¨ãã‚„ãƒˆãƒ©ãƒ–ãƒ«ã®èª¿æŸ»ã‚’ã—ã¦ã„ã‚‹ã¨ãã«memcachedã®ã‚ãƒ¼ä¸€è¦§ã‚’é–²è¦§ã—ãŸã„ã¨ãã¯ã‚ã‚Šã¾ã™ã‚ˆãã€‚ ãã‚“ãªæ™‚ã¯ã€telnetã‚’ä½¿ã£ã¦ä¸‹è¨˜ã®ã‚³ãƒžãƒ³ãƒ‰ã‚’æ‰“ã¤ã“ã¨ã§Keyä¸€è¦§ã‚’å–å¾—ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ $ telnet localhost 11211 stats it ems STAT it ems:1:number 6 STAT it ems:1:age 20505 STAT it ems:1:evicted 0 STAT it ems:1:evicted_time 0 STAT it ems:1:outofmemory 0 STAT it ems:1:tailrepairs 0 stats cachedump 1 100 IT EM foo [9 b; 1264464651 s] IT EM bar [9 b; 1264464649 s]ã–ã£ã¨ã“ã‚“ãªæ„Ÿã˜
fn7 2010/01/26
memcached

programming
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DBMã«ã‚ˆã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒ - mixi engineer blog
DSã®ã‚¹ã‚¿ãƒ¼ãƒ•ã‚©ãƒƒã‚¯ã‚¹ã¨ã„ã†ã‚²ãƒ¼ãƒ ã«ã¯ã¾ã‚Šã¾ãã‚Šã®mikioã§ã™ã€‚æœ€è¿‘ç¤¾å†…å¤–ã§ã€Œä¿ºã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚µãƒ¼ãƒã€ã‚’ä½œã‚‹ã®ãŒæµè¡Œã£ã¦ã„ã‚‹ã‚ˆã†ãªã®ã§ç§ã‚‚å‚æˆ¦ã—ã¦ã¿ã¾ã—ãŸã€‚ä»Šå›žã¯DBMã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ã‚’ã»ã¼ã‚¹ã‚¯ãƒ©ãƒƒãƒã§ä½œã£ãŸè©±ã‚’ã—ã¾ã™ã€‚ Tokyo Tyrant Tokyo Tyrantï¼ˆä»¥ä¸‹TTï¼‰ã¯Tokyo Cabinetï¼ˆä»¥ä¸‹TCï¼‰ã‚’ãƒ©ãƒƒãƒ—ã—ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è¶Šã—ã«æ“ä½œã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ã‚ãƒ£ãƒ“ãƒãƒƒãƒˆï¼ˆå†…é–£ï¼‰ã‚’å‚€å„¡ã«ã™ã‚‹ã‚¿ã‚¤ãƒ©ãƒ³ãƒˆï¼ˆåƒä¸»ï¼‰ã¨ã„ã†ã“ã¨ã§åä»˜ã‘ã¾ã—ãŸã€‚ãƒ€ã‚¦ãƒ³ãƒãƒ¼ãƒ‰ã¯ã“ã¡ã‚‰ã€‚ TCã¯é«˜æ€§èƒ½ãªDBMã§ã€ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ¢ãƒ‡ãƒ«ã§é«˜ã„ä¸¦åˆ—æ€§ã‚’å®Ÿç¾ã—ã¦ã„ã¾ã™ãŒã€é€†ã«ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ãƒ¢ãƒ‡ãƒ«ã ã¨ãƒ•ã‚¡ã‚¤ãƒ«ãƒãƒƒã‚¯ãŒã‹ã‹ã‚‹ã®ã§ä¸¦åˆ—æ€§ãŒä½Žããªã£ã¦ã—ã¾ã„ã¾ã™ã€‚ã¤ã¾ã‚Šã€æ›¸ãè¾¼ã¿ãƒ¢ãƒ¼ãƒ‰ã§ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ã‚¢ã‚¯ã‚»ã‚¹ã—ã¦ã„ã‚‹ãƒ—ãƒã‚»ã‚¹ãŒã„ã‚‹ã¨ã€ãã®é–“ã¯ä»–ã®ãƒ—ãƒã‚»ã‚¹ãŒãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«æŽ¥ç¶šã—ã‚ˆã†ã¨ã™ã‚‹ã¨ãƒ–ãƒãƒƒã‚¯ã•ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚
fn7 2008/01/27
ã™ã’

db

tc

scalability

network

memcached
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Erlang ã§ memcached ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
å…ˆæ—¥ã€ã“ã¡ã‚‰ã® Erlang ã®ä¸–ç•Œã§ã¯memcachedã¨ã‹è¦ã‚‰ãªã„ ã‚’èˆˆå‘³æ·±ãèªã¾ã›ã¦é ‚ãã¾ã—ãŸã€‚ ãŸã—ã‹ã«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆå´ã‚‚ Erlang ã§æ›¸ã‹ã‚Œã¦ã„ã‚‹å ´åˆã€ä¾‹ãˆã°ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ ãƒãƒ¼ã«ã‚¢ã‚¯ã‚»ã‚¹ã‚’è¡Œã† WEB ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚‚ Erlang ã§æ›¸ã‹ã‚Œã¦ã„ã‚Œã° Erlang ã®ãƒ—ãƒã‚»ã‚¹é–“é€šä¿¡ã‚’ä½¿ç”¨ã™ã‚‹ã“ã¨ã§ç°¡å˜ã«ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã‚’å®Ÿè£…ã™ã‚‹ ã“ã¨ãŒå‡ºæ¥ãã†ã§ã™ã€‚ã—ã‹ã—ã€WEB ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãªã©ã€å…¨ã¦ã®ã‚·ã‚¹ãƒ†ãƒ ã‚’ Erlang ã§æ›¸ãã«ã¯ã¾ã ç§ã«ã¨ã£ã¦å‹‡æ°—ãŒè¦ã‚‹äº‹ãªã®ã§ TCP/IP ã§ memcache ãƒ— ãƒãƒˆã‚³ãƒ«ã‚’å–‹ã‚‹ Erlang ç‰ˆ memcached ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ ãã®åã‚‚ em emcached ã§ã™ã€‚ % em emcached.erl -module(em emcached). -export([start/0, em emcached/1, process_comm
fn7 2007/09/06
ã‚¹ã‚´ã™

memcached

erlang
ãƒªãƒ³ã‚¯
ãƒ™ã‚¤ã‚¨ãƒªã‚¢æƒ…å ±å±€: Mac OS X ã« memcached ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ launchd ã§è‡ªå‹•èµ·å‹•ã™ã‚‹ã‚ˆã†ã«ã—ãŸ
å…ƒVine SPARCé–‹ç™ºè€…ã€‚2003å¹´åº¦æœªè¸ãƒ¦ãƒ¼ã‚¹æŽ¡æŠžè€…ã€‚æµ·å¤–ã§ã‚‚æ´»èºã§ãã‚‹å›½éš›çš„ãªLinux ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã«ãªã‚‹ã“ã¨ã‚’å¤¢è¦‹ã¦æ—¥æœ¬ã§é ‘å¼µã£ã¦ã„ã¾ã™ã€‚ã‚¦ãƒŽã‚¦æ ªå¼ä¼šç¤¾ã«ã¦å†™çœŸå…±æœ‰SNSã€Œãƒ•ã‚©ãƒˆè”µã€ã‚’é–‹ç™ºä¸ã€‚ Mac ã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã«ã¯ fink ã‚’ä½¿ã£ã¦ã¦ã€fink ã«ãªã„ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯ã‚½ãƒ¼ã‚¹ã‹ã‚‰ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã¨ã„ã†æ–¹é‡ã§ã‚„ã£ã¦ã¾ã™ã€‚ memcached ã¯ fink ã§ç”¨æ„ã•ã‚Œã¦ãªã„ã®ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ã¿ã¾ã—ãŸã€‚ libeventã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« memcached ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã‚ˆã†ã¨ã—ãŸã‚‰ libevent ãŒãªã„ã¨è¨€ã‚ã‚ŒãŸã®ã§ã€ã¾ãšã¯ libevent ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ % ./configure --prefix=/opt/libevent % make % sudo make install ã‚½ãƒ¼ã‚¹ã‹ã‚‰ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã¯ã™ã¹ã¦ /opt/package ã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹
fn7 2006/11/07
OSXã§ã®èµ·å‹•é …ç›®ã®ç™»éŒ²ã®å‚è€ƒã¨memcachedã®ãƒ“ãƒ«ãƒ‰

osx

memcached

launchd
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1