GitHub - Netflix/rend: A memcached proxy that manages data chunking and L1 / L2 caches
Caching is used several ways at Netflix. Some people use it as a true working set cache, while others use it as the only storage mechanism for their service. Others use it as a session cache. This means that some services can continue as usual with some data loss, while others will permanently lose data and start to serve fallbacks. Rend is built to complement EVCache, which is the main caching so
PHP Memcached Extension をより軽é‡é«˜é€Ÿã«ã—ã¦ã¿ã‚‹ãƒ†ã‚¹ãƒˆ | ãƒãƒ©ã‚·ã®ã†ã‚‰
php-memcached-dev/php-memcachedã‚’forkã—ãŸmsgpack-and-snappyブランãƒã§ã€ã‚·ãƒªã‚¢ãƒ©ã‚¤ã‚ºæ–¹å¼ã«MessagePackã‚’ã€åœ§ç¸®æ–¹å¼ã«Snappyã‚’é¸ã¹ã‚‹ã‚ˆã†ã«ã—ãŸã€‚→GitHub MessagePackを使ã†ã«ã¯PECL msgpackをインストールã—ãŸä¸Šã§ã€configureã®ã‚ªãƒ—ション㫠--enable-memcached-msgpack ã‚’ã€Snappyを使ã†ã«ã¯Snappyをインストールã—ãŸä¸Šã§ --with-snappy-dir を付ã‘ã‚Œã°ã‚ˆã„。 MacPortsã§ãƒ©ã‚¤ãƒ–ラリを入れã¦ã„ã‚‹å ´åˆã®ä¾‹: phpize ./configure \ --enable-memcached \ --enable-memcached-msgpack \ --with-libmemcached-dir=/opt/local \ --with-snap
PHP: Memcached::__construct - Manual
Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Su
mcrouterã§ElastiCache(memcached)を分散レプリケーションã™ã‚‹ | DevelopersIO
ã¯ã˜ã‚㫠先日9月15æ—¥ã€FacebookãŒé–‹ç™ºã—ãŸã€Œmcrouterã€ãŒãƒãƒ¼ã‚¸ãƒ§ãƒ³1.0ã¨ã—ã¦å…¬é–‹ã•ã‚Œã¾ã—ãŸã€‚mcrouterã¯memcachedプãƒãƒˆã‚³ãƒ«ã‚’ルーティングã™ã‚‹ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã§ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨memcachedサーãƒã®é–“ã«ç«‹ã£ã¦ã‚¯ã‚¨ãƒªã‚’ルーティングã™ã‚‹ä»•çµ„ã¿ã«ãªã£ã¦ã„ã¾ã™ã€‚ã“ã®mcrouterを使ã†ã“ã¨ã§åˆ†æ•£ã‚ャッシュシステムãŒæ§‹ç¯‰å‡ºæ¥ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã€‚Facebookã§ã¯å®Ÿéš›ã«ã‚¤ãƒ³ãƒ•ãƒ©ã§å°Žå…¥ã—ã¦ã„ã‚‹ãã†ã§ã™ã€‚ ElastiCache(memcached)ã§ã¯ã€Auto Discoveryを使ã£ã¦ãƒŽãƒ¼ãƒ‰ã‚’クラスタリングã™ã‚‹ã“ã¨ã¯å‡ºæ¥ã¾ã™ãŒã€ã‚ャッシュデータã®ãƒ¬ãƒ—リケーションã¯å‡ºæ¥ã¾ã›ã‚“。ã—ã‹ã—ã“ã®mcrouterã®Replicated poolsを使ã†ã“ã¨ã§ã€ãƒŽãƒ¼ãƒ‰é–“ã§ã‚ャッシュデータをåŒæœŸã•ã›ã‚‹ã“ã¨ãŒå‡ºæ¥ã¾ã™ã€‚ ãã“ã§mcrouterを使ã£ã¦ã€åˆ†æ•£é…ç½®ã—ãŸElastiCac
memcached ã«é€ã£ãŸã‚»ã‚ュリティパッãƒãŒ 1.4.17 ã§ãƒžãƒ¼ã‚¸ã•ã‚Œã¦ã„㟠- hibomaã®æ—¥è¨˜
ã ã„ã¶å‰ã« memcached ã® SASLèªè¨¼ã«ä¸å‚™ãŒã‚ã‚‹ã®ã‚’見ã¤ã‘ã¦ã„ã¦ãƒ‘ッãƒã‚’é€ã£ã¦ã„ãŸã®ã§ã—ãŸãŒã€ã‚ˆã†ã‚„ãマージã•ã‚Œã¦ 1.4.17 ã®ãƒªãƒªãƒ¼ã‚¹ã«å…¥ã£ã¦ã„ãŸã®ã«æ°—ãŒã¤ãã¾ã—㟠Memcached 1.4.17ã®ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆ GitHubã§ã®ã‚³ãƒŸãƒƒãƒˆç¢ºèª JVNDB-2013-005840 èªè¨¼ã‚’ãƒã‚¤ãƒ‘スã•ã‚Œã‚‹è„†å¼±æ€§ãªã®ã§ã™ãŒã€SASLèªè¨¼ã‚’使ã£ã¦ãªã„é‹ç”¨ã§ã‚ã‚Œã°ãã‚‚ãã‚‚å•é¡ŒãŒç„¡ã„ã®ã§å¤§åŠã®ãƒ¦ãƒ¼ã‚¶ã«ã¯å½±éŸ¿ãŒã§ãªã„ã‚‚ã®ã¨æ€ã‚ã‚Œã¾ã™ã€‚ 脆弱性自体㯠mizzy ã•ã‚“ãŒæ¥å‹™ä¸ã«è¦‹ã¤ã‘ãŸã‚‚ã®ã§ã€ãƒ‘ッãƒä½œæˆã¯ç§ãŒè¡Œã„(ã“れもæ¥å‹™ä¸ã«)ã€ãã®å¾Œã®ãƒ¬ãƒ“ューã¨æŠ•ç¨¿ã¾ã§ã‚’ヘルプã—ã¦ã„ãŸã ãã¾ã—ãŸã€‚コアã¨ãªã‚‹æ§‹é€ 体ã«ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ã‚’足ã™å¤‰æ›´ã‚‚å…¥ã£ãŸã®ã§ã€ã³ã¿ã‚‡ãƒ¼ã‹ãªãƒ¼ã¨æ€ã£ã¦ã„ãŸã®ã§ã™ãŒã€ç„¡äº‹ãƒžãƒ¼ã‚¸ã•ã‚Œã¦ã‚ˆã‹ã£ãŸã§ã™ã€‚ Couchbase Server ã«ã‚‚ memcached ストレージãŒã‚ã‚ŠSASLèª
DMM inside
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memcached ãŠã™ã™ã‚起動オプションã¾ã¨ã‚ - blog.nomadscafe.jp
ã“ã“を書ãç›´ã—ã¦è»¢è¼‰ memcachedã«é–¢ã™ã‚‹è¨˜äº‹ã¯ã€Œç¬¬1回　memcachedã®åŸºæœ¬ï¼šmemcachedを知り尽ãã™ï½œgihyo.jp … 技術評論社ã€ãªã©ä½•å›žã‹æ›¸ã„ã¦ã„ã¾ã™ãŒã€æœ€è¿‘ã®memcachedã§ã®èµ·å‹•ã‚ªãƒ—ションã®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‚“。 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 モードã§èµ·å‹•ã—ã¾ã™ã€‚エラーやè¦å‘ŠãŒè¡¨ç¤ºã•ã‚Œã¾ã™ã€‚弊社ã§ã¯memachedã‚’daemontools経由ã§èµ·å‹•ã—ã€ãƒã‚°ã‚’記録ã—ã¦ã„ã¾ã™ã€‚ -v -vオプション㯠-vvã€-vvv 㨠v ã®æ•°ã‚’増やã™äº‹ã§
yrmcds 1.0.0 ã®è£œè¶³ - 誰ã‹ã®å½¹ã«ç«‹ã¦ã°ã„ã„ブãƒã‚°
エンジニアãªã‚‰è©³ç´°ãŒæ°—ã«ãªã‚‹ã‚‚ã®ã€‚ã¨ã„ã†ã‚ã‘ã§ã€å€‹äººãƒ–ãƒã‚°ã®ã»ã†ã§ yrmcds 1.0.0 リリース記事ã®æŠ€è¡“çš„ãªè£œè¶³ã‚’ã—ã¦ãŠãã¾ã™ã€‚ keepalived 使ã†ã®ã€split brain ã«ãªã‚‹ã‚“ã˜ã‚ƒãªã„ã®ï¼Ÿ ã•ã¦ã¯ãƒ—ãƒã®æ–¹ã§ã™ã。困りã¾ã™ãªã€ãã†ã„ã†çªã£è¾¼ã¿ã¯ï¼ æ°—ã«ãªã‚‹äººã¯ split brain èµ·ã“ã•ãªã„ heartbeat ã‚’ã”利用ãã ã•ã„。 用途次第ã§ã¾ã‚ã©ã†ã§ã‚‚ã„ã£ã‹ãªãƒ¼ã¨ã„ã†äººã¯ keepalived ã®æ–¹ãŒæ‰‹è»½ã‹ã¨æ€ã„ã¾ã™ã€‚ サーãƒãƒ¼ã‚µã‚¤ãƒ‰ãƒãƒƒã‚¯ã¨ãƒ¬ãƒ—リケーション ãƒãƒƒã‚¯çŠ¶æ…‹ã¯ãƒ¬ãƒ—リケーションã•ã‚Œã¾ã›ã‚“。éžåŒæœŸãƒ¬ãƒ—リケーションãªã®ã§ã—ã¦ã‚‚無駄ã¨ã„ã†ã‹ã€‚ ã™ã‚‹ã¨ãƒãƒƒã‚¯ã—ãŸå¾Œã€ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã™ã‚‹ã¨ã‚ªãƒ–ジェクトãŒãƒãƒƒã‚¯ã•ã‚Œãªã„状態ã«ãªã‚‹ã‚ã‘ã§ã™ã€‚å±é™ºã§ã™ã€‚ 対ç–ã¨ã—ã¦å°Žå…¥ã—ãŸã®ãŒã€ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã® RaU (Replace and Unlock) ã§ã™ã€‚ ã“ã®ã‚³ãƒžãƒ³ãƒ‰
yrmcds 1.0.0 をリリースã—ã¾ã—㟠- Cybozu Inside Out | サイボウズエンジニアã®ãƒ–ãƒã‚°
@ymmt2005 ã“ã¨å±±æœ¬æ³°å®‡ã§ã™ã€‚去る 7 月㫠yrmcds ã¨ã„ㆠmemcached 互æ›ãª KVS を公開ã—ãŸã“ã¨ã‚’ã”案内ã—ã¾ã—ãŸã€‚ãã‚Œã‹ã‚‰ 5 ヶ月経ã¡ã¾ã—ãŸãŒã€ä»Šå›žã¯å®‰å®šç‰ˆã¨ãªã‚‹ãƒãƒ¼ã‚¸ãƒ§ãƒ³ 1.0.0 をリリースをã”案内ã—ã¾ã™ã€‚ ダウンãƒãƒ¼ãƒ‰ã¯ã“ã¡ã‚‰ã‹ã‚‰ã©ã†ãž: https://github.com/cybozu/yrmcds/releases/tag/v1.0.0 0.9.0 ã‹ã‚‰ã®å¤‰æ›´ç‚¹ã‚’çŸãã¾ã¨ã‚ã‚‹ã¨ãƒã‚°ãŒãªããªã£ã¦ã€memcached より多分高速ã«ãªã£ã¦ã„ã¾ã™ã€‚ã¡ã‚‡ã£ã¨é•·ã‚ã®è¨˜äº‹ã§ã™ãŒã€æœ«å°¾ã«ã„ã„ã“ã¨ãŒæ›¸ã„ã¦ã‚ã‚Šã¾ã™ã®ã§ã€æ˜¯éžã”一èªãã ã•ã„。 yrmcds ã®ç‰¹é•· レプリケーション サーãƒãƒ¼ã‚µã‚¤ãƒ‰ãƒãƒƒã‚¯ No slabs ãã®ä»– memcached ã¨ã®å·®ç•° é‹ç”¨å®Ÿç¸¾ã¨æ€§èƒ½ クライアント 0.9.0 ã‹ã‚‰ã®å¤‰æ›´ä¸€è¦§ ãƒã‚°å ±å‘Šã‚’募集ã—ã¾ã™ï¼ yrmcds ã®ç‰¹é•· y
Redis memcached pdf
This document compares the caching technologies Memcached and Redis. It provides an overview of how caching works and the problems that can occur with caching like cache misses, stale data, and warm-up times. It details the features of Memcached and Redis, including their data structures and operations. Benchmarks are presented comparing the performance of Memcached and Redis for set and get opera
Convey Revs Up Memcached With Hybrid X86-FPGA Appliance
Covering Scientific & Technical AI | Monday, December 9, 2024 Convey Computer, a maker of hybrid computers that marry Xeon processors from Intel to field programmable gate array accelerators from Xilinx, has quite possibly come up with the killer app for its machines--boosting the performance of the Memcached caching software commonly used as a front-end for Web applications. Memcached was created
DMM inside
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Etsy Engineering | mctop - a tool for analyzing memcache get traffic
Here at Etsy we (ab)use our memcache infrastructure pretty heavily as a caching layer between our applications and our database tiers. We functionally partition our memcache instances into small pools and overall it works fabulously well. We have however suffered occasionally from what we call "hot keys". What is a "Hot" key? A "hot key" is a single key hashed to an individual memcache instance wi
yrmcds by cybozu
yrmcds memcached compatible KVS with master/slave replication View on GitHub Download .zip Download .tar.gz yrmcds is a memory object caching system with master/slave replication. Currently, yrmcds supports two protocols: the first is an enhanced memcached, and another is a protocol to implement distributed resource counters. Since the memcached protocol is perfectly compatible with the original i
Cache::Memcached(::Fast) ã®ãƒãƒ¼ãƒ スペースã¯æœ€å¾Œã«åŒºåˆ‡ã‚Šæ–‡å—ã‚’ã„ã‚ŒãŸæ–¹ãŒè‰¯ã„話ã¨ãƒãƒ¼ãƒ スペース毎ã«çµ±è¨ˆã‚’å–る方法 - blog.nomadscafe.jp
Cache::Memcached(::Fast) ã®ã‚ªãƒ—ションã«ã¯ namespace ã¨ã„ã†ã®ãŒã‚ã‚Šã¾ã™ã€‚ https://metacpan.org/module/Cache::Memcached::Fast https://metacpan.org/module/Cache::Memcached Cache::Memcachedã€Cache::Memcached::Fastã€ã©ã¡ã‚‰ã‚‚namespaceã¯ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ä½œæˆæ™‚ã«æŒ‡å®šã—ã¦ã€ã‚ã¨ã‹ã‚‰å¤‰æ›´ã™ã‚‹ã“ã¨ã¯å‡ºæ¥ã¾ã›ã‚“。 my $s = Cache::Memcached::Fast->new({ servers => [qw/127.0.0.1:11211/], namespace => 'myservice' }); namespaceを使ã†ã¨ã€ã²ã¨ã¤ã®memcachedサーãƒã‚’複数ã®ã‚¢ãƒ—リケーションã‹ã‚‰ä½¿ç”¨ã™ã‚‹å ´åˆãªã©ã«ã€ãã‚Œãžã‚Œåˆ¥ã®ãƒ
Gimme the cache! memcached turns 10 years old
This week, memcached, a piece of software that prevents much of the Internet from melting down, turns 10 years old. Despite its age, memcached is still the go-to solution for many programmers and sysadmins managing heavy workloads. Without memcached, Ars Technica would likely be unable to serve this article to you at all. Brad Fitzpatrick wrote memcached for LiveJournal way back in 2003 (check out
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PHP Memcachedæ‹¡å¼µã§æŒç¶šçš„接続を行ㆠ- Qiita
Cache-Memcached-Turnstile-0.01 - Thundering Herd Protection for Memcached Clients - metacpan.org
Fix segfault if memcached recieved next string, that did "c->rlbytes" not correct int number. by azat · Pull Request #31 · memcached/memcached
GitHub - twitter/twemcache: Twemcache is the Twitter Memcached
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