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

nullpobug id:nullpobug

memcachedã«é–¢ã™ã‚‹nullpobugã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (11)

${{author_name}}$

{{{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}}

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§
nullpobug 2014/02/11
memcached

innodb

mysql
ãƒªãƒ³ã‚¯
ç¬¬1å›žã€€memcachedã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æŠŠæ¡ã—ã‚ˆã† | gihyo.jp
1.4ç³»ã§æ–°ã—ãè¿½åŠ ã•ã‚ŒãŸä¸»ãªæ©Ÿèƒ½ã—ã¦ã¯ ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã®å°Žå…¥ ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®æ¨™æº–åŒ– çµ±è¨ˆã®å¼·åŒ– ãªã©ãŒä¸Šã’ã‚‰ã‚Œã¾ã™ã€‚ã“ã®1.4ç³»ã®æ©Ÿèƒ½ã®è©³ç´°ã«ã¤ã„ã¦ã¯å‰å‚å¾¹æ°ã®é€£è¼‰ã€Œmemcached 1.4ã®åˆ°æ¥ã€ãŒå‚è€ƒã¨ãªã‚Šã¾ã™ã€‚ã“ã“ã§ã¯ãƒãƒ¼ã‚¸ãƒ§ãƒ³1.2.5ã¨æœ€æ–°ã®1.4.5ã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’æ¯”è¼ƒã—ãªãŒã‚‰ã€æ–°ã—ãè¿½åŠ ã•ã‚ŒãŸæ©Ÿèƒ½ã‚„å®Ÿéš›ã®é‹ç”¨ã§ç”¨ã„ã‚‰ã‚Œã‚‹èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã«ã¤ã„ã¦èª¬æ˜Žã—ã¾ã™ã€‚ 1.2ç³»ã¨1.4ç³»ã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã®é•ã„ ã¾ãšã€memcachedã®èµ·å‹•ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã®ä¸€è¦§ï¼ˆãƒ˜ãƒ«ãƒ—ï¼‰ã‚’ç¢ºèªã—ã¾ã—ã‚‡ã†ã€‚memcachedã®ãƒ˜ãƒ«ãƒ—ã‚’å‡ºåŠ›ã™ã‚‹ã«ã¯ã€ã€Œâ -hã€ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚’ä½¿ã„ã¾ã™ã€‚ $ memcached -h memcached 1.x.x -p <num> TCP port number to listen on (default: 11211) -U <num> UDP port number t
nullpobug 2013/05/10
memcached
ãƒªãƒ³ã‚¯
memcachedã‚’çŸ¥ã‚Šå°½ãã™ è¨˜äº‹ä¸€è¦§ | gihyo.jp
é‹å–¶å…ƒã®ãƒã‚´ Copyright Â© 2007-2025 All Rights Reserved by Gijutsu-Hyoron Co., Ltd. ãƒšãƒ¼ã‚¸å†…å®¹ã®å…¨éƒ¨ã‚ã‚‹ã„ã¯ä¸€éƒ¨ã‚’ç„¡æ–ã§åˆ©ç”¨ã™ã‚‹ã“ã¨ã‚’ç¦æ¢ã—ã¾ã™â ã€‚å€‹åˆ¥ã«ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ãŒè¨å®šã•ã‚Œã¦ã„ã‚‹è¨˜äº‹ç‰ã¯ãã®ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã«å¾“ã„ã¾ã™ã€‚
nullpobug 2011/03/30
memcached
ãƒªãƒ³ã‚¯
memcache-top - Google Code
Code Archive Skip to content Google About Google Privacy Terms
nullpobug 2011/03/25
memcached

perl
ãƒªãƒ³ã‚¯
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§
nullpobug 2010/10/27
memcached

nosql

mysql

dena

handlersocket
ãƒªãƒ³ã‚¯
http://code.sixapart.com/svn/memcached/trunk/server/scripts/memcached-tool
#!/usr/bin/perl # # memcached-tool: # stats/management tool for memcached. # # Author: # Brad Fitzpatrick # # License: # public domain. I give up all rights to this # tool. modify and copy at will. # use strict; use IO::Socket::INET; my $host = shift; my $mode = shift || "display"; my ($from, $to); if ($mode eq "display") { undef $mode if @ARGV; } elsif ($mode eq "move") { $from = shift; $to = sh
nullpobug 2010/08/16
memcached

tool
ãƒªãƒ³ã‚¯
ç¬¬2å›žã€€memcachedã®ãƒ¡ãƒ¢ãƒªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’ç†è§£ã™ã‚‹ | gihyo.jp
æ ªå¼ä¼šç¤¾ãƒŸã‚¯ã‚·ã‚£ ç ”ç©¶é–‹ç™ºã‚°ãƒ«ãƒ¼ãƒ—ã®å‰å‚ã§ã™ã€‚å‰å›žã®è¨˜äº‹ã§memcachedã¯åˆ†æ•£ã«é•·ã‘ãŸé«˜é€Ÿãªã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚µãƒ¼ãƒã§ã‚ã‚‹ã“ã¨ãŒç´¹ä»‹ã•ã‚Œã¾ã—ãŸã€‚ä»Šå›žã¯memcachedã®å†…éƒ¨æ§‹é€ ãŒã©ã†å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹ã®ã‹ã€ãã—ã¦ãƒ¡ãƒ¢ãƒªãŒã©ã†ç®¡ç†ã•ã‚Œã¦ã„ã‚‹ã®ã‹ã‚’ã”ç´¹ä»‹ã—ã¾ã™ã€‚ã¾ãŸã€memcachedã®å†…éƒ¨æ§‹é€ ã®äº‹æƒ…ã«ã‚ˆã‚‹å¼±ç‚¹ã‚‚ç´¹ä»‹ã—ã¾ã™ã€‚ ãƒ¡ãƒ¢ãƒªã‚’æ•´ç†ã—ã¦å†åˆ©ç”¨ã™ã‚‹Slab Allocationãƒ¡ã‚«ãƒ‹ã‚ºãƒ æ˜¨ä»Šã®memcachedã¯ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§Slab Allocatorã¨ã„ã†ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã‚’ä½¿ã£ã¦ãƒ¡ãƒ¢ãƒªã®ç¢ºä¿ãƒ»ç®¡ç†ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ã“ã®ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ãŒç™»å ´ã™ã‚‹ä»¥å‰ã®ãƒ¡ãƒ¢ãƒªç¢ºä¿ã®æˆ¦ç•¥ã¯ã€å˜ç´”ã«ã™ã¹ã¦ã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã«å¯¾ã—ã¦mallocã¨freeã‚’è¡Œã†ã¨ã„ã£ãŸã‚‚ã®ã§ã—ãŸã€‚ã—ãŒã—ãªãŒã‚‰ã€ã“ã®ã‚¢ãƒ—ãƒãƒ¼ãƒã§ã¯ãƒ¡ãƒ¢ãƒªã«ãƒ•ãƒ©ã‚°ãƒ¡ãƒ³ãƒ†ãƒ¼ã‚·ãƒ§ãƒ³ï¼ˆæ–ç‰‡åŒ–ï¼‰ã‚’ç™ºç”Ÿã•ã›ã¦ã—ã¾ã„ã€OSã®ãƒ¡ãƒ¢ãƒªãƒžãƒãƒ¼ã‚¸ãƒ£ã«è² è·ã‚’ã‹ã‘ã€æœ€æ‚ªã®å ´åˆã ã¨memcachedã®ãƒ—
nullpobug 2010/08/16
memcached

ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°
ãƒªãƒ³ã‚¯
ï¼»é€Ÿå ±ï¼½mixiãŒéšœå®³ã®çµŒç·¯ã‚’ç™ºè¡¨ã€‚åŽŸå› ã¯ãŠç›†ã®ã‚¢ã‚¯ã‚»ã‚¹æ€¥å¢—ã§ã¯ãªãã€memcachedã®ç•°å¸¸çµ‚äº†
8æœˆ10æ—¥ã®17æ™‚20åˆ†é ƒã‹ã‚‰12æ—¥æœªæ˜Žã¾ã§ã®é•·æ™‚é–“ã«ã‚ãŸã‚Šã€ã‚µãƒ¼ãƒ“ã‚¹ãŒåˆ©ç”¨ä¸èƒ½ã‚‚ã—ãã¯åˆ©ç”¨ã—ã«ãã„çŠ¶æ³ã«ãªã£ã¦ã„ãŸã€Œmixiã€ã€‚æ•°åº¦ã®æ–ç¶šçš„ãªå¾©æ—§ã®ã®ã¡ã«ã€æœ¬æ—¥12æ—¥åˆå‰1æ™‚50åˆ†é ƒã«ã¯å¾©æ—§ãŒå®Œäº†ã—ã€ç¾æ™‚ç‚¹ã§å…¨é¢çš„ã«å¾©æ—§ã—ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ ãã®éšœå®³ã®çµŒç·¯ã«ã¤ã„ã¦æ ªå¼ä¼šç¤¾ãƒŸã‚¯ã‚·ã‚£ã®åºƒå ±ã‹ã‚‰ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ã€Œã€Žmixiã€ã®ã‚¢ã‚¯ã‚»ã‚¹éšœå®³ã®ãŠè©«ã³åŠã³å¾©æ—§ã«é–¢ã™ã‚‹ãŠçŸ¥ã‚‰ã›ã€ã¨ã—ã¦ç™ºè¡¨ã•ã‚Œã¾ã—ãŸã€‚ åŽŸå› ã¯ã‚¢ã‚¯ã‚»ã‚¹ã®æ€¥å¢—ã§ã¯ãªã‹ã£ãŸ ãƒ—ãƒ¬ã‚¹ãƒªãƒªãƒ¼ã‚¹ã®ä¸ã§ã€ä»Šå›žã®éšœå®³ã®åŽŸå› ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«èª¬æ˜Žã•ã‚Œã¦ã„ã¾ã™ã€‚ ã€Žmixiã€ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¸ã®è² è·è»½æ¸›ã®ãŸã‚ã«å°Žå…¥ã—ã¦ã„ã‚‹ãƒ‡ãƒ¼ã‚¿ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚·ã‚¹ãƒ†ãƒ ãŒè¤‡æ•°åŒæ™‚ã«ç•°å¸¸çµ‚äº†ã—ãŸã“ã¨ã«ä¼´ã„ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¸ã®è² è·ãŒæ€¥å¢—ã—ãŸãŸã‚ã€Žmixiã€ã‚’é–²è¦§ã—ã¥ã‚‰ã„çŠ¶æ…‹ã¨ãªã‚Šã¾ã—ãŸã€‚ é«˜è² è·ã‹ã¤ç‰¹æ®ŠãªçŠ¶æ…‹ã§ã®ã¿ãƒ‡ãƒ¼ã‚¿ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚·ã‚¹ãƒ†ãƒ ã®ç•°å¸¸çµ‚äº†ãŒç™ºç”Ÿã—ã¦ã„ãŸãŸã‚ã€æ ¹æœ¬çš„ãªåŽŸå› ã®ç©¶æ˜Žã«æ™‚é–“ãŒ
nullpobug 2010/08/12
mixi

memcached

äº‹ä¾‹

éšœå®³
ãƒªãƒ³ã‚¯
[memcached] memcachedã‚³ãƒžãƒ³ãƒ‰ä¸€è¦§ - Life with IT
2008/5/21æ›´æ–° å¯¾å¿œãƒãƒ¼ã‚¸ãƒ§ãƒ³: 1.2.5 memcachedã§ä½¿ç”¨å¯èƒ½ãªã‚³ãƒžãƒ³ãƒ‰ã«ã¯ä»¥ä¸‹ã®ç¨®é¡žãŒã‚ã‚‹ã€‚ set / get ãƒ‡ãƒ¼ã‚¿ã®æ ¼ç´ / å–å¾— gets ãƒ‡ãƒ¼ã‚¿ã®å–å¾—(å¾Œè¿°ã®cas IDä»˜) replace æ—¢å˜ã®ãƒ‡ãƒ¼ã‚¿ã®å¤‰æ›´ append æ—¢å˜ã®ãƒ‡ãƒ¼ã‚¿ã®å¾Œã‚ã«ãƒ‡ãƒ¼ã‚¿ã‚’è¿½åŠ prepend æ—¢å˜ã®ãƒ‡ãƒ¼ã‚¿ã®å‰ã«ãƒ‡ãƒ¼ã‚¿ã‚’è¿½åŠ cas ã‚ãƒ¼ã¨cas IDã®ãƒšã‚¢ã§æ—¢å˜ã®ãƒ‡ãƒ¼ã‚¿ã‚’ç‰¹å®šã—ã¦å†…å®¹ã‚’å¤‰æ›´ incr / decr æ—¢å˜ã®ãƒ‡ãƒ¼ã‚¿ã®åŠ ç®—/æ¸›ç®— delete ãƒ‡ãƒ¼ã‚¿ã®å‰Šé™¤ stats ã‚µãƒ¼ãƒã®åˆ©ç”¨çŠ¶æ³ã®ãƒ¬ãƒãƒ¼ãƒˆ ã‚³ãƒžãƒ³ãƒ‰ã¯ä»¥ä¸‹ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã§æŒ‡å®šã™ã‚‹ã€‚ set, replace, append, prepend <ã‚³ãƒžãƒ³ãƒ‰> <ã‚ãƒ¼> <ãƒ•ãƒ©ã‚°> <æœ‰åŠ¹æœŸé–“> <ã‚µã‚¤ã‚º> cas <ã‚³ãƒžãƒ³ãƒ‰> <ã‚ãƒ¼> <ãƒ•ãƒ©ã‚°> <æœ‰åŠ¹æœŸé–“> <ã‚µã‚¤ã‚º> <cas ID> incr, decr
nullpobug 2010/05/17
memcached
ãƒªãƒ³ã‚¯
Kazuho@Cybozu Labs: ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¨ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã®ãŸã‚ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ (BPStudy#25ç™ºè¡¨è³‡æ–™)
å…ˆé€±é‡‘æ›œæ—¥ã€BPStudy#25ã§ã€ã€Œãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¨ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã®ãŸã‚ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã€ã¨ã„ã†é¡Œç›®ã§è©±ã‚’ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸã€‚ãã®éš›ã«ä½¿ç”¨ã—ãŸç™ºè¡¨è³‡æ–™ã¯ä»¥ä¸‹ã®ã¨ãŠã‚Šã§ã™ã€‚ 1. Happy Optimization æœ€åˆã«ã€æœ€é©åŒ–ã®è€ƒãˆæ–¹ã¨ã—ã¦ã€ä¸Šé™å€¤ã‚’äºˆæ¸¬ã—ã€ãã‚Œã‚’å…ƒã«ãƒªã‚½ãƒ¼ã‚¹é…åˆ†ã‚’è€ƒãˆã‚‹ã€ã¨ã„ã†æ‰‹æ³•ã‚’èª¬æ˜Žã—ã¾ã—ãŸã€‚
nullpobug 2009/09/29
mysql

memcached

database
ãƒªãƒ³ã‚¯
Google Code Archive - Long-term storage for Google Code Project Hosting.
Code Archive Skip to content Google About Google Privacy Terms
nullpobug 2009/02/27
key-value store

memcached

database
ãƒªãƒ³ã‚¯
1