[B! memcache] muddydixonã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

muddydixon id:muddydixon

memcacheã«é–¢ã™ã‚‹muddydixonã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (13)

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æ›´æ–°é »åº¦ã®å¤šã„ãƒ‡ãƒ¼ã‚¿ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
@methane ã§ã™ã€‚ ISUCON 7 æœ¬æˆ¦ã§æœ€å¤§ã®ã‚¹ã‚³ã‚¢ã‚¢ãƒƒãƒ—ã§ããŸãƒã‚¤ãƒ³ãƒˆãŒã€ status ã¨å‘¼ã°ã‚Œã‚‹é‡ã„è¨ˆç®—ã®çµæžœã¨ãªã‚‹JSONã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ã§ã—ãŸã€‚ è¿‘å¹´ã®ISUCONã«ã‚ˆãã‚ã‚‹ã€ã€Œæ›´æ–°ãŒæˆåŠŸã—ãŸã‚‰ä»¥é™ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã«ã¯ãã®æ›´æ–°ãŒåæ˜ ã•ã‚Œã‚‹å¿…è¦ãŒã‚ã‚‹ã€ï¼ˆä»¥é™ã¯ã€Œå³æ™‚åæ˜ ã€ã¨å‘¼ã³ã¾ã™ï¼‰ã‚¿ã‚¤ãƒ—ã®å•é¡Œã ã£ãŸã®ã§ã™ãŒã€ä»Šå›žã®ã‚ˆã†ã«æ›´æ–°é »åº¦ã®é«˜ãã‹ã¤å³æ™‚åæ˜ ãŒæ±‚ã‚ã‚‰ã‚Œã‚‹ãƒ‡ãƒ¼ã‚¿ã‚’ã‚ãƒ£ãƒƒã‚·ãƒ¥ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦ã€ã‚ˆã‚Šä¸€èˆ¬çš„ã«è§£èª¬ã—ã¦ãŠããŸã„ã¨æ€ã„ã¾ã™ã€‚ å³æ™‚åæ˜ ãŒä¸è¦ãªå ´åˆ ã¾ãšã¯åŸºæœ¬ã¨ã—ã¦ã€å³æ™‚åæ˜ ãŒä¸è¦ãªå ´åˆã®ã‚ãƒ£ãƒƒã‚·ãƒ¥æ–¹æ³•ã‹ã‚‰ãŠã•ã‚‰ã„ã—ã¾ã™ã€‚ã“ã®å ´åˆã€ä¸€ç•ªè‰¯ãä½¿ã‚ã‚Œã‚‹ã®ã¯å‚ç…§æ™‚ã«è¨ˆç®—ã—ãŸçµæžœã‚’ Memcached ãªã©ã«ã‚ãƒ£ãƒƒã‚·ãƒ¥ã—ã€æ™‚é–“ã§ expire ã™ã‚‹æ–¹æ³•ã§ã™ã€‚ ã“ã®ã‚¿ã‚¤ãƒ—ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ã«ã¯ã€å‚ç…§å…ƒãŒåˆ†æ•£ã—ã¦ã„ã‚‹å ´åˆï¼ˆWebã‚µãƒ¼ãƒãƒ¼ãŒè¤‡æ•°å°ã‚ã‚‹ãªã©ï¼‰ã« Thundering Herd
muddydixon 2017/12/20
architecture

cache

redis

memcache

performance
ãƒªãƒ³ã‚¯
bashã§memcachedã‚’å®Ÿè£…ã—ã¾ã—ãŸï¼ - Qiita
TL;DR bashã¨socatã‚³ãƒžãƒ³ãƒ‰ã‚’åˆ©ç”¨ã—ã¦memcachedã‚’å®Ÿè£…ã—ã¾ã—ãŸã€‚ MakeNowJust/bashcached - GitHub æœ¬æ–‡ ã¯ã˜ã‚ã« bashã§å®Ÿè£…ã—ãŸmemcachedã§ã™ https://t.co/5UQk8x3wqw â€” ã•ã£ãä½œã£ãŸ@3æ—¥ç›®æ±R-13a (@make_now_just) 2016å¹´10æœˆ28æ—¥ bashã§memcachedã‚’å®Ÿè£…ã—ãŸã‚‰Hacker Newsã§ã¡ã‚‡ã£ã¨è©±é¡Œã«ãªã£ãŸã¿ãŸã„ãªã®ã§è¨˜äº‹ã«ã—ã¾ã™ã€‚ ã¨ã‚Šã‚ãˆãšã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³• ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•ã§ã™ã€‚ ã¾ãšsocatãŒå¿…è¦ãªã®ã§ã€
muddydixon 2016/11/10
bash

memcache
ãƒªãƒ³ã‚¯
Facebookã®æ•°åƒå°è¦æ¨¡ã®memcachedé‹ç”¨ã«ã¤ã„ã¦ - ã‚†ã†ã†ããƒ–ãƒã‚°
Linuxã®ãƒ–ãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ãƒ¬ãƒ™ãƒ«ã§å®Ÿç¾ã™ã‚‹rsyncã‚ˆã‚Šé«˜é€Ÿãªå·®åˆ†ãƒãƒƒã‚¯ã‚¢ãƒƒãƒ—ã«ã¤ã„ã¦ - ã‚†ã†ã†ããƒ–ãƒã‚°ã®ç¶šãã¨ã—ã¦ã€Facebook ã® memcached é‹ç”¨ã«é–¢ã™ã‚‹è«–æ–‡ã‚’èªã‚“ã ã€‚ ã‚¿ã‚¤ãƒˆãƒ«ãªã©ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ NSDI ã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚·ã‚¹ãƒ†ãƒ ã«é–¢ã™ã‚‹ãƒˆãƒƒãƒ—ãƒ¬ãƒ™ãƒ«ã®ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã€‚ Scaling Memcache at Facebook Rajesh Nishtala, Hans Fugal, Steven Grimm, Marc Kwiatkowski, Herman Lee, Harry C. Li, Ryan McElroy, Mike Paleczny, Daniel Peek, Paul Saab, David Stafford, Tony Tung, Venkateshwaran Venkataramani NSDI'13 In Proceedings of the
muddydixon 2014/07/11
facebook

memcache

operation
ãƒªãƒ³ã‚¯
memcached ãŠã™ã™ã‚èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¾ã¨ã‚ - blog.nomadscafe.jp
ã“ã“ã‚’æ›¸ãç›´ã—ã¦è»¢è¼‰ memcachedã«é–¢ã™ã‚‹è¨˜äº‹ã¯ã€Œç¬¬1å›žã€€memcachedã®åŸºæœ¬ï¼šmemcachedã‚’çŸ¥ã‚Šå°½ãã™ï½œgihyo.jp â€¦ æŠ€è¡“è©•è«–ç¤¾ã€ãªã©ä½•å›žã‹æ›¸ã„ã¦ã„ã¾ã™ãŒã€æœ€è¿‘ã®memcachedã§ã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã®ãŠã™ã™ã‚ã‚’ã¾ã¨ã‚ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ãªãŠã“ã®è¨˜äº‹ã¯Memcached Advent Calendarã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚ ã¾ã¨ã‚ã‚‹ã¨ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ $ memcached -v -p 11211 -U 0 -u memcached -m 1024 \ -c 100000 -t 4 -C -B ascii ã²ã¨ã¤ãšã¤ç°¡å˜ã«ç´¹ä»‹ã—ã¾ã™ã€‚ -v ãƒã‚°å‡ºåŠ› ãƒã‚°ã‚’ verbose ãƒ¢ãƒ¼ãƒ‰ã§èµ·å‹•ã—ã¾ã™ã€‚ã‚¨ãƒ©ãƒ¼ã‚„è¦å‘ŠãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚å¼Šç¤¾ã§ã¯memachedã‚’daemontoolsçµŒç”±ã§èµ·å‹•ã—ã€ãƒã‚°ã‚’è¨˜éŒ²ã—ã¦ã„ã¾ã™ã€‚ -v -vã‚ªãƒ—ã‚·ãƒ§ãƒ³ã¯ -vvã€-vvv ã¨ v ã®æ•°ã‚’å¢—ã‚„ã™äº‹ã§
muddydixon 2013/12/13
memcache

tips

config
ãƒªãƒ³ã‚¯
groupcache ã‚’èªã‚€ #2 - Kato Kazuyoshi
groupcache ã‚’èªã‚€ #1 ã§ã¯ã€å¤–å´ã‹ã‚‰ groupcache ã®å‡¦ç†ã®æµã‚Œã‚’å¤–å´ã‹ã‚‰è¿½ã£ã¦ã¿ãŸã€‚ã“ã‚Œã§å¤§ä½“ã€ã©ã“ã«ä½•ãŒã‚ã‚‹ã‹ã®ã‚ãŸã‚ŠãŒã¤ã„ãŸã®ã§ã€ä»Šå›žã¯ Comparison to memcached ã«ã‚ã‚‹ memcached ã«ç„¡ã„æ©Ÿèƒ½ã«ã¤ã„ã¦ã€ã©ã“ã§å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã‹ã‚’è¿½ã£ã¦ã¿ã‚ˆã†ã€‚ Thundering Herd å¯¾ç– memcached ã®ã‚ˆã†ãªç‹¬ç«‹ã—ãŸã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒãƒ¼ã§ã¯ã€ã‚ãƒ£ãƒƒã‚·ãƒ¥ãŒç„¡ã„å ´åˆã®å‡¦ç†ãŒã€ä»¥ä¸‹ã®ã‚ˆã†ã«ã ã¶ã£ã¦ã—ã¾ã†ã“ã¨ãŒã‚ã‚‹ã€‚ ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ c1 ãŒã€ã‚ãƒ¼ k1 ã‚’ get ã™ã‚‹ãŒå˜åœ¨ã—ãªã‹ã£ãŸã€‚ ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ c1 ã¯ã€ã‚ãƒ¼ k1 ã«å¯¾å¿œã™ã‚‹å€¤ã‚’ (ãŸã¨ãˆã° MySQL ãªã©ã«å•ã„åˆã‚ã›ã¦) ä½œã‚Šã¯ã˜ã‚ã‚‹ã€‚ ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ c2 ã‚‚ã€ã‚ãƒ¼ k1 ã‚’ get ã™ã‚‹ãŒã€ã¾ã c1 ãŒä½œã£ã¦ã„ã‚‹æœ€ä¸ãªã®ã§ã€å˜åœ¨ã—ãªã‹ã£ãŸã€‚ ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ c2 ã‚‚ã€ã‚ãƒ¼ k1
muddydixon 2013/08/09
groupcache

memcache
ãƒªãƒ³ã‚¯
groupcache ã‚’èªã‚€ #1 - Kato Kazuyoshi
groupcache ã¯ Go ã‚€ã‘ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã ã€‚Brad Fitzpatrick ãŒ dl.google.com ã‚’ C++ ã‹ã‚‰ Go ã«æ›¸ãæ›ãˆã‚‹ã¨ãã«æ›¸ã„ãŸã‚‚ã®ã§ã€ã„ã¾ã§ã¯ Google ã®ä»–ã®ã‚µãƒ¼ãƒ“ã‚¹ã®ä¸€éƒ¨ã§ã‚‚ä½¿ã‚ã‚Œã¦ã„ã‚‹ã‚‰ã—ã„ã€‚ groupcache ã¯ã€åå‰ã®æœ«å°¾ã« â€œdâ€ ãŒã¤ã‹ãªã„ã“ã¨ã‹ã‚‰ã‚‚ã‚ã‹ã‚‹ã‚ˆã†ã«ã€memcached ã®ã‚ˆã†ãªãƒ‡ãƒ¼ãƒ¢ãƒ³ã§ã¯ãªã„ã€‚Go ã§æ›¸ã‹ã‚ŒãŸã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«çµ„ã¿è¾¼ã‚ã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã€ã‚¤ãƒ³ãƒ—ãƒã‚»ã‚¹ãªã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚·ã‚¹ãƒ†ãƒ ã¨ã€è¤‡æ•°ã® groupcache ã‚’é€£æºã•ã›ã‚‹ãŸã‚ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯éƒ¨åˆ†ã‹ã‚‰æ§‹æˆã•ã‚Œã¦ã„ã‚‹ã€‚ ãã‚Œã§ã¯ã€OSCON 2013 ã®ã‚¹ãƒ©ã‚¤ãƒ‰45ãƒšãƒ¼ã‚¸ç›®ã‹ã‚‰ ã®ã‚µãƒ³ãƒ—ãƒ«ã‚³ãƒ¼ãƒ‰ã‚’ã¿ãªãŒã‚‰ã€å®Ÿéš›ã®ã‚³ãƒ¼ãƒ‰ (ãƒªãƒ“ã‚¸ãƒ§ãƒ³: 0e1c218) ã‚’è¿½ã£ã¦ã¿ã‚ˆã†ã€‚ groupcache.NewHTTPPool groupcache ã¯ã€è¤‡æ•°ã®ãƒ›ã‚¹ãƒˆ
muddydixon 2013/08/09
groupcache

memcache
ãƒªãƒ³ã‚¯
GitHub - golang/groupcache: groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
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muddydixon 2013/07/29
golang

memcache
ãƒªãƒ³ã‚¯
memcached ã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŠã™ã™ã‚æ•™ã‚¨ãƒãã ã•ã„ - Hateburo: kazeburo hatenablog
$ memcached -p $port -U 0 -u $user -m $mem \ -c 200000 -v -t 4 -C -B ascii -I 3000 [-L]-p tcp port -U udp port. 0 is disable ä½¿ã‚ãªã„ãªã‚‰åˆ‡ã‚‹ -u user -m memory size -c max connection ã¨ã‚Šã‚ãˆãšå¤§ãã -v verbose ã‚¨ãƒ©ãƒ¼ã¨ã‹æ®‹ã‚‹ã‚ˆã†ã« -t number of threads to use ã‚¹ãƒ¬ãƒƒãƒ‰æ•° -C Disable use of CAS ãƒ¡ãƒ¢ãƒªç¯€ç´„ã§ãã‚‹ -B Binding protocol binary protocolä½¿ã‚ãªã„ãªã‚‰asciiã ã‘ã§ -I Override the size of each slab page. Adjusts max it em size å¿…è¦ãªã‚‰ -L large mem
muddydixon 2013/03/07
memcache

setting
ãƒªãƒ³ã‚¯
æ•°å—ã‚’å‡ºåŠ›ã™ã‚‹ã‚³ãƒžãƒ³ãƒ‰ã‚’å®šæœŸçš„ã«å®Ÿè¡Œã—ã¦ã€ç§’é–“ã®å¤‰åŒ–é‡ã‚’ memcachedãƒ—ãƒãƒˆã‚³ãƒ«ã§å–ã‚Œã‚‹ã‚µãƒ¼ãƒã‚’æ›¸ã„ãŸ - blog.nomadscafe.jp
Nagiosã‚’ä½¿ã£ã¦ã„ã‚‹ã¨ã€ãã®çž¬é–“ã®çµ¶å¯¾å€¤ã ã‘ã˜ã‚ƒãªãã€å·®åˆ†ã‚„å¤‰åŒ–é‡ã‚’å–å¾—ã—ã¦ãã®æ•°å€¤ã‚’ç›£è¦–ã—ãŸããªã‚Šã¾ã™ã‚ˆãã€‚ãªã‚‰ãªã„ã¨ã—ãŸã‚‰ã€ä»Šã™ãã“ã®è¨˜äº‹ã‚’èªã‚€ã®ã‚’ã‚„ã‚ã¦ç—…é™¢ã«è¡Œã£ã¦ä¸‹ã•ã„ã€‚ Nagiosã§å¤‰åŒ–é‡ã‚’æ¸¬å®šã™ã‚‹ã«ã¯ã€ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã®ä¸ã§å‰ã®æ•°å€¤ã‚’ã©ã“ã‹ãƒ•ã‚¡ã‚¤ãƒ«ã«ã§ã‚‚ä¿å˜ã—ã€æ¯”è¼ƒã™ã‚‹ã¨ã„ã†æ‰‹ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®check_bandwidthã¯ãã®æ–¹æ³•ã‚’å–ã£ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ ãŸã ã€ã“ã‚Œã ã¨æ±Žç”¨æ€§ãŒã‚ã¾ã‚Šãªã„ã®ã§ã€ç›£è¦–å¯¾è±¡ã‚µãƒ¼ãƒå´ã«å®šæœŸçš„ã«æŒ‡å®šã—ãŸã‚³ãƒžãƒ³ãƒ‰ã‚’å®Ÿè¡Œã—ã¦ã€ãã®æ•°å€¤ã‚’å¤–éƒ¨ã‹ã‚‰å–å¾—ã§ãã‚‹ã‚µãƒ¼ãƒã‚’æ›¸ã„ã¦ã¿ã¾ã—ãŸã€‚ CPAN: https://metacpan.org/release/App-derived *å‡ºã¦ãã‚‹ã¾ã§æ™‚é–“ãŒã‹ã‹ã‚‹ã‚ˆã†ã§ã™ github: https://github.com/kazeburo/App-derived ä½¿ã„æ–¹ ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¯cpanmã§ $ cpanm -n
muddydixon 2013/02/09
mysql

memcache
ãƒªãƒ³ã‚¯
MySQL 5.6ã®InnoDB memcached pluginã‚’ä½¿ã£ã¦ã¿ã‚‹ - é…’æ—¥è¨˜ ã¯ã¦ãªæ”¯åº—
MySQL 5.6ã® RC ç‰ˆãŒå‡ºã¾ã—ãŸãã€‚é…åŠ›çš„ãªæ©Ÿèƒ½ãŒæº€è¼‰ã§çš†ã•ã‚“wktkã—ã¦ã„ã‚‹ã“ã¨ã¨æ€ã„ã¾ã™ã€‚æ—©é€Ÿã€å€‹äººçš„ã«æ°—ã«ãªã£ã¦ã„ãŸ memcached plugin ã‚’è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ æœ€åˆã«çµè«–ã‹ã‚‰è¨€ã„ã¾ã™ãŒã€ç¾æ™‚ç‚¹ (5.6.7rc) ã§ã¯ HandlerSocket ã®ä»£ã‚ã‚Šã«ä½¿ãˆã‚‹ã‚ˆã†ãªã‚‚ã®ã§ã¯ãªã•ãã†ã§ã™ã€‚ memcached protocol ã§ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã®ã¯å…¨ä½“ã§ 1 ãƒ†ãƒ¼ãƒ–ãƒ«ã®ã¿ è¨‚æ£: namespace ã¨ã„ã†ä»•çµ„ã¿ã§è¤‡æ•°ãƒ†ãƒ¼ãƒ–ãƒ«ã«mapãŒå¯èƒ½ã§ã™ ãƒ†ãƒ¼ãƒ–ãƒ«ã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã¯ latin1 ã§ã‚ã‚‹å¿…è¦ãŒã‚ã‚‹ ã€2012-11-22 è¿½è¨˜ã€‘5.6.8RCã§ã¯ã€æ–‡å—ã‚³ãƒ¼ãƒ‰ãŒ latin1 ã§ã‚ã‚‹ã¨ã„ã†åˆ¶é™ã¯æ’¤å»ƒã•ã‚Œã¾ã—ãŸ ã€ŒMySQL ã®ãƒ†ãƒ¼ãƒ–ãƒ«ã« memcached protocol ã§ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ã€ã¨ã„ã†ã‚ˆã‚Šã¯ã€ã€Œmemcached ã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’ InnoDB ã«ã§
muddydixon 2012/10/05
ãƒ‰ã‚ãƒ‰ã‚ã—ã¦ãã‚‹ãªã

mysql

memcache

innodb
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memcached ã‚’ä½¿ã£ãŸã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®è¨è¨ˆã«ã¤ã„ã¦ - blog.nomadscafe.jp
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