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memcachedã«é–¢ã™ã‚‹yujioramaã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (9)

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é–‹ç™ºãƒ¡ãƒ¢: memcachedã¨Kyoto Tycoonã®ç©ºé–“åŠ¹çŽ‡
Kyoto CabinetãŠã‚ˆã³Kyoto Tycoonã«æ–°ãŸã«å°Žå…¥ã•ã‚ŒãŸã€ŒStashDBã€ã‚’ä½¿ã†ã¨memcachedã‚ˆã‚Šã‚‚ç©ºé–“åŠ¹çŽ‡ã‚’å‘ä¸Šã•ã›ã‚‰ã‚Œã‚‹ã¨ã„ã†è©±ã€‚ StashDBã¨ã¯ å‰å›žã®è¨˜äº‹ã§èª¬æ˜Žã—ãŸã‚ˆã†ã«ã€Kyoto Cabinetã§ã¯ãƒãƒ¼ã‚«ãƒ«MapReduceã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ã¨ã—ã¦TinyHashMapã¨ã„ã†ã‚¯ãƒ©ã‚¹ã‚’å®Ÿè£…ã—ã¦çœãƒ¡ãƒ¢ãƒªåŒ–ã‚’å›³ã£ã¦ã„ã‚‹ã€‚ä¸å¯§ã«ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºã—ã¦ãƒ‡ãƒ¼ã‚¿ã‚’è©°ã‚ã¦ã„ãã¨ã‹ãªã‚Šãƒ¡ãƒ¢ãƒªã‚’ç¯€ç´„ã§ãã‚‹ã‚‚ã®ãªã®ã ã€‚ åŒã˜æ§‹é€ ã‚’DBMã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã«ã—ãŸã®ãŒStashDBã§ã‚ã‚‹ã€‚ProtoHashDB, ProtoTreeDB, CacheDB, GrassDB, HashDB, TreeDB, DirDB, ForestDBã«ç¶šãç¬¬9ç•ªç›®ã®DBMã¨ã„ã†ã“ã¨ã«ãªã‚‹ã€‚ã‚‚ã¡ã‚ã‚“ã€ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã‚»ãƒ¼ãƒ•ã«ã—ã¦ã€ãƒ¬ã‚³ãƒ¼ãƒ‰å˜ä½ã®ç²’åº¦ã§ãƒãƒƒã‚¯ã‚’æ–½ã—ã¦ä¸€è²«æ€§ã‚’ç¢ºä¿ã—ã€Visitorã‚„Curso
yujiorama 2010/11/10
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memcached

kyoto tycoon
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Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server
UPDATE: Oracle officially released memcached daemon plugin that talks with InnoDB. I'm glad to see that NoSQL+MySQL has become an official solution. It's still preview release but will be very promising. Let's try it to make it better! Most of high scale web applications use MySQL + memcached. Many of them use also NoSQL like TokyoCabinet/Tyrant. In some cases people have dropped MySQL and have sh
yujiorama 2010/10/27
mysql

memcached

performance
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NoSQLã¨ã—ã¦MySQLã‚’ä½¿ã†DeNAãŒã€memcachedã‚ˆã‚Šã‚‚é«˜é€Ÿãª75ä¸‡ã‚¯ã‚¨ãƒªï¼ç§’ã‚’å®Ÿç¾
ãƒ¢ãƒã‚²ãƒ¼ã§çŸ¥ã‚‰ã‚Œã‚‹DeNAã¯ã€ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«NoSQLã‚’ä½¿ã£ã¦ã„ã¾ã›ã‚“ã€‚ãªãœã‹ï¼Ÿ ãã‚Œã¯MySQL/InnoDB 5.1ã®ç’°å¢ƒã§ç§’é–“75ä¸‡ã‚¯ã‚¨ãƒªã¨ã„ã†ã€å¤šãã®NoSQLã§ã‚‚å®Ÿç¾ã§ããªã„ã‚ˆã†ãªé«˜æ€§èƒ½ã‚’å®Ÿç¾ã—ã¦ã„ã‚‹ã‹ã‚‰ã€‚DeNAã®æ¾ä¿¡å˜‰ç¯„ï¼ˆã¾ã¤ã®ã¶ã‚ˆã—ã®ã‚Šï¼‰æ°ã¯ã€è‡ªèº«ã®ãƒ–ãƒã‚°ã«ã“ã‚“ãªå†…å®¹ã®ã‚¨ãƒ³ãƒˆãƒªã€ŒUsing MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity serverã€ï¼ˆè‹±èªžï¼‰ã‚’ãƒœã‚¹ãƒˆã—ã¦ã„ã¾ã™ã€‚ Yoshinori Matsunobu's blog: Using MySQL as a NoSQL - A story for exceeding 750,000 qps on a commodity server æ¾ä¿¡æ°ãŒæŒ‡æ‘˜ã™ã‚‹ã‚ˆã†ã«ã€å¤§è¦æ¨¡ãªãƒãƒƒãƒˆã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã—ã¦ã„ã‚‹ä¼æ¥ã®å¤šãã¯åˆ†æ•£ç’°å¢ƒã§
yujiorama 2010/10/27
DeNA

memcached

mysql
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mixiå¤§è¦æ¨¡éšœå®³ã«ã¤ã„ã¦ ãã®2 - mixi engineer blog
ã“ã‚“ã«ã¡ã¯ã€‚ã‚·ã‚¹ãƒ†ãƒ æœ¬éƒ¨æŠ€è¡“éƒ¨ãŸã‚“ã½ã½Gã®æ£®æœ¬ã§ã™ è£œè¶³ã‚’è¿½è¨˜ã—ã¾ã—ãŸ (2010/08/20 15æ™‚) å…ˆæ—¥ã®mixiå¤§è¦æ¨¡éšœå®³ã«ã¤ã„ã¦ã®ç¶šå ±ã§ã™ ä»Šå›žã¯å°ãƒã‚¿ã¯ã‚ã‚Šã¾ã›ã‚“ ã¯ã˜ã‚ã« ã¾ãšåˆã‚ã«twitter/blogãªã©ã‚’é€šã˜ã¦ä»Šå›žã®å•é¡Œã®è§£æžã‚’è¡Œã£ã¦ã„ãŸã ã„ãŸã¿ãªã•ã‚“ã«æ„Ÿè¬ã®è¨€è‘‰ã‚’æ§ã’ãŸã„ã¨æ€ã„ã¾ã™ kzk_moverã•ã‚“ stanakaã•ã‚“ mala(bulkneets)ã•ã‚“ llameradaã•ã‚“ (é †ä¸åŒ) ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸ æ›¸ãæ¼ã‚‰ã—ãŸäººã”ã‚ã‚“ãªã•ã„ memcachedã¯ã™ã”ã„ ä»Šå›žã®ä»¶ã§memcachedã«å¯¾ã—ã¦ä¸å®‰æ„Ÿã‚’æŒãŸã‚ŒãŸæ–¹ã‚‚ãŠã‚‰ã‚Œã‚‹ã¨ãŠèžãã—ã¾ã—ãŸ èª¬æ˜Žä¸è¶³ã ã£ãŸã›ã„ã§èª¤è§£ã‚’ä¸Žãˆã¦ã—ã¾ã„ç”³ã—è¨³ã‚ã‚Šã¾ã›ã‚“ ãã¡ã‚“ã¨è¨å®šãŠã‚ˆã³ç›£è¦–ã‚’è¡Œã£ã¦ã„ã‚Œã°é€šå¸¸ã®ä½¿ç”¨ã«ã¯ã¾ã£ãŸãå•é¡Œã¯ã‚ã‚Šã¾ã›ã‚“ å¼Šç¤¾ã«ã¦ -c 30ä¸‡ã§èµ·å‹•ã—ãŸmemcachedã«å¯¾ã—ã¦ã€å…ˆã®ãƒ†ã‚¹ãƒˆã‚¹ã‚¯ãƒªãƒ—ãƒˆã«
yujiorama 2010/08/19
mixi

memcached
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mixiå¤§è¦æ¨¡éšœå®³ã«ã¤ã„ã¦ - mixi engineer blog
ã“ã‚“ã«ã¡ã¯ã€‚ã‚·ã‚¹ãƒ†ãƒ æœ¬éƒ¨æŠ€è¡“éƒ¨ãŸã‚“ã½ã½Gã®æ£®æœ¬ã§ã™ å…ˆæ—¥ã®mixiå¤§è¦æ¨¡éšœå®³ã«ã¤ã„ã¦ã®ãƒ–ãƒã‚°ã§ã™ã€‚ ã¯ã˜ã‚ã«ãŠæ–ã‚Šã—ã¦ãŠãã¾ã™ãŒã€å¼Šç¤¾CTOãŒtwitterã§å…¬é–‹ã—ãŸä»¥ä¸Šã®æƒ…å ±ã¯ã¾ã å¾—ã‚‰ã‚Œã¦ãŠã‚Šã¾ã›ã‚“ã€‚ twitterã§ã¯æ›¸ããã‚Œãªã‹ã£ãŸç´°éƒ¨ã‚’è£œè¶³ã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ ç¾çŠ¶åˆ¤æ˜Žã—ã¦ã„ã‚‹ã®ã¯ä»¥ä¸‹ã®ç‚¹ã§ã™ memcachedã«å¤§é‡ã®æŽ¥ç¶šãƒ»åˆ‡æ–ã‚’è¡Œã†ã¨memcachedãƒ—ãƒã‚»ã‚¹ãŒçªç„¶çµ‚äº†ã™ã‚‹ã“ã¨ãŒã‚ã‚‹ memcachedã«ã¯ç•°å¸¸æ™‚ã«çµ‚äº†ã™ã‚‹ãƒ•ãƒãƒ¼ã‚‚ã‚ã‚‹ãŒã€åŒæ™‚ã«å‡ºåŠ›ã•ã‚Œã‚‹ã¯ãšã®ã‚¨ãƒ©ãƒ¼ãƒã‚°ã¯å‡ºã¦ã„ãªã‹ã£ãŸ coreã‚‚å‡ºåŠ›ã•ã‚Œã¦ã„ãªã‹ã£ãŸ ãƒ†ã‚¹ãƒˆç’°å¢ƒã«ã¦è¿½è©¦ã‚’è¡Œã£ãŸã¨ã“ã‚ã€ãªã‚“ã©ã‹å†ç¾ã•ã›ã‚‹ã“ã¨ãŒã§ãã¾ã—ãŸãŒã€ç¢ºå®Ÿã«ç™ºç”Ÿã™ã‚‹æ¡ä»¶ã¯æœªã ä¸æ˜Žã§ã™ã€‚ éšœå®³æ™‚ã® memcachedã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯1.4.4, libeventã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯1.3bã§ã™ memcached ã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¯ä»¥ä¸‹ã®ã¨ãŠã‚Š ./
yujiorama 2010/08/13
webæ¥ç•Œã¯è‡ªç”±ã ãªãƒ¼ã€‚activeperl

mixi

memcached
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mixiãŒã¯ã¾ã£ãŸmemcached(or libevent?)ã®å•é¡Œã‚’èª¿ã¹ã‚‹äººãŸã¡
Neal Sato @nealsato äºŒæ—¥ã¨ã‚‚è¤‡æ•°å°ã®memcachedãŒé€£ç¶šã—ã¦è½ã¡ã¾ã—ãŸã€‚ã‚³ã‚¢ã¯åã‹ãšã«ã‚¹ãƒˆãƒ³ã¨è½ã¡ã‚‹ã®ã§ã€åŽŸå› è¿½åŠã«æ™‚é–“ãŒã‹ã‹ã‚Šã¾ã—ãŸãŒã€memcachedã¸ã®æŽ¥ç¶šæ•°ãŒç•°å¸¸ã«å¤šã„ã¨è½ã¡ã‚‹äº‹ã¯å†ç¾ã§ãã¾ã—ãŸã€‚ #mixi 2010-08-12 02:33:00 Neal Sato @nealsato memcachedãŒå¤§é‡ã®æŽ¥ç¶šã‚’å—ã‘ã‚‹ã¨çªç„¶åœæ¢ã‚’ã™ã‚‹ã®ã§ã€memcachedã¸ã®æŽ¥ç¶šæ•°ã‚’æ¸›ã‚‰ã—å®‰å®šé‹ç”¨ä¸ã€‚å¤–éƒ¨ã‹ã‚‰ã®éŽå‰°ã‚¢ã‚¯ã‚»ã‚¹ã§ã¯ãªãã€ã‚µãƒ¼ãƒè¿½åŠ â†’ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ•°å¢—åŠ â†’åœæ¢ã€‚ 2010-08-12 08:45:50 Masahiro Nagano / é•·é‡Žé›…åºƒ @kazeburo ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿ãŒä¸è¶³ã—ã¦memcachedãŒè½ã¡ãŸã¨ã—ã¦ã€ãã®ã¨ãã«ã¯ã€3ä¸‡å¼·ã®æŽ¥ç¶šã¨ãªã£ã¦ã‚‹ã¯ãšã€‚3ä¸‡å¼·ã®æŽ¥ç¶šã¨ãªã‚‹ã«ã¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚µãƒ¼ãƒå´ã®max clientãŒå¹³å‡60ã¨ã—
yujiorama 2010/08/13
æ˜Žæ—¥è¦‹ã¦ã¿ã‚ˆã†ã‹ãª

memcached
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Membase.org
Developers and enterprises choose Couchbase for their mission-critical applications. See Why Vector Search Vector search delivers nearest-neighbor results, without needing a direct match. Learn More
yujiorama 2010/07/05
memcached äº’æ›ã€ã ã‘ã©ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã§æ°¸ç¶šåŒ–ã‚‚ã™ã‚‹ã¿ãŸã„ãª

memcached

nosql
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ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§ã‚‚ãƒžãƒ«ãƒã‚³ã‚¢CPUã‚’æ´»ã‹ã›ãªã„ä»¶ - blog.nomadscafe.jp
ã‚‚ã£ã¨è©³ã—ã„æ–¹ã®ãƒ•ã‚©ãƒãƒ¼å‹Ÿé›†ã§ã™ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã«ãªã£ã¦ã‚‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å‡¦ç†ãŒåˆ†æ•£ã•ã‚Œãªã‘ã‚Œã°ãƒžãƒ«ãƒã‚³ã‚¢ã‚’æ´»ã‹ã›ãªã„å…¸åž‹çš„ãªä¾‹ã§ã™ã€‚id:viverã®å¤æ©‹ã•ã‚“ãŒs100kpsã¨ã—ã¦ã‚ã’ã¦ã„ãŸä»¶ã«ã‚‚è¿‘ã„ã‹ã‚‚ã€‚ memcachedã§ç¾è±¡ã‚’ç¢ºèªã—ã¾ã™ã€‚æœ€è¿‘ã®memcachedã¯ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§å‹•ãã‚ˆã†ã«ãªã£ã¦ã„ã‚‹ã®ã§ã€ã¾ãšã¯ãã‚Œã‚’ç¢ºèªã—ã¾ã™ã€‚ $ memcached-tool localhost stats|grep threads threads 4 ã‚¹ãƒ¬ãƒƒãƒ‰ãŒ4ã¤ã§èµ·å‹•ã—ã¦ã„ã¾ã™ã€‚ è² è·ãŒãã‚Œãªã‚Šã«ã‚ã‚‹çŠ¶æ…‹(8000req/secç¨‹åº¦)ã§ã€ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§topã‚’é–‹ãã€ã€Œ1ã€ã‚ãƒ¼ã‚’æŠ¼ã—ã¦ã€CPUã”ã¨ã®ä½¿ç”¨çŽ‡ã‚’è¡¨ç¤ºã—ã¾ã™ã€‚(ä¾‹ã¯Fedora8 kernel-2.6.23) Tasks: 77 total, 1 running, 76 sleeping, 0 stopped, 0
yujiorama 2010/01/29
nic ã®å‰²ã‚Šè¾¼ã¿å‡¦ç†ãŒ CPU ã‚³ã‚¢ã‚’å æœ‰ã—ã¦ã—ã¾ã†ã¨ã„ã†â€¦

memcached

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Greg Whalin - Hudson Valley based Product Leader
Board Member New York Chapter BHA Former VP Product at Bark Former Product Manager at Facebook Co-Founder and former CTO / Head of Product, Meetup
yujiorama 2008/01/14
java

memcached
ãƒªãƒ³ã‚¯
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