code.flickr.com
Last week the world celebrated Safer Internet Day, a day used to call upon stakeholders to join together to make the internet a safer and better place for all, and especially for children and young people. Here at Flickr, we believe in creating spaces on the internet that take into account the safety of all of our contributors, especially our youngest and most underrepresented. So, to celebrate th
master-slave構æˆã®redisã§ttl(expire)ã‚’æŒã¤ã‚ーを使ã†æ–¹æ³• - diary
ã„ã‚ã„ã‚ã‚ã£ã¦ã‚ã‚“ã©ã„。 ttlを指定ã—ãŸã‚ーã®å®Ÿå‰Šé™¤ã¯ã€ã‚ーã®å‚ç…§ãŒã‚ã£ãŸéš›åˆã¯100ms毎ã«è¡Œã‚れるttlã‚’æŒã¤å…¨ã‚ーã‹ã‚‰ã®ãƒ©ãƒ³ãƒ€ãƒ ルックアップã«ã‚ˆã‚‹æ¤œæŸ»ã«ã‚ˆã‚Šè¡Œã‚れる æ•…ã«ã€çŸã„ttlã‚’æŒã¤ã‚ーãŒå¤šæ•°å˜åœ¨ã™ã‚‹å ´åˆã«ã¯ã€(実際ã«å‚ç…§ã—ãªã„é™ã‚Š)実削除ãŒé–“ã«åˆã‚ãªããªã‚‹(æ„図ã—ãŸæ™‚é–“ã«æ®ç™ºã—ãªã„)事ãŒã‚ã‚‹ ã“ã‚Œã ã‘ãªã‚‰ã¾ã‚å‚ç…§ã™ã‚Œã°ã„ã„ã‚“ã§ã™ãŒ master-slave構æˆæ™‚ã€slaveã‹ã‚‰è¦‹ãŸã‚ーã®å‰Šé™¤ã¯masterå´ã‹ã‚‰ã®å‰Šé™¤å‘½ä»¤ãŒç„¡ã‘ã‚Œã°è¡Œã‚ãšã€ttl < 0ã¨ãªã£ãŸã‚ーã«é–¢ã—ã¦ã‚‚ã“ã‚Œã¯åŒæ§˜ã«æ‰±ã‚れる æ•…ã«ã€æ®ç™ºã•ã‚Œã‚‹ã¹ãã‚ーãŒslaveã‹ã‚‰å‚ç…§ã•ã‚Œã¦ã‚‚ã€å®Ÿå‰Šé™¤ã¯è¡Œã‚ã‚Œãšã€(masterå´ã®å®šæœŸå®Ÿå‰Šé™¤ãŒé–“ã«åˆã£ã¦ã„ãªã„å ´åˆ)slaveã¯ãã®ã¾ã¾æ®ç™ºã•ã‚Œã¦ã„ã‚‹ã¹ãã‚ーã®å€¤ã‚’è¿”ã—ã¦ã—ã¾ã† 対応ç–㯠masterã«å¯¾ã—ã¦getを投ã’ã‚‹ master-slaveã¨ã¯ä½•ã ã£ãŸã®ã‹â€¦ redi
Redis - The Real-time Data Platform
# Create a vector index using the HNSW algorithm, 768 dimension length, and inner product distance metric > FT.CREATE idx-videos ON HASH PREFIX 1 video: SCHEMA content_vector VECTOR HNSW 6 TYPE FLOAT32 DIM 768 DISTANCE_METRIC IP content TEXT metadata TEXT # Add a video vector with metadata > HSET video:0 content_vector “\xa4q\t=\xc1\xdes\xbdZ$<\xbd\xd5\xc1\x99<b\xf0\xf2<x[…\xf8<†content “SUMMARY:
ElastiCache for Redisã®æ–°æ©Ÿèƒ½ã‚’ãŸã‚ã—ã¦ã¿ãŸ - クックパッド開発者ブãƒã‚°
インフラストラクãƒãƒ£ãƒ¼éƒ¨ 星野(@con_mame)ã§ã™ã€‚ クックパッドã§ã¯ã€AWSを活用ã—ã¦ã‚µãƒ¼ãƒ“スを行ã£ã¦ã„ã¾ã™ã€‚ ç¾åœ¨ã‚¯ãƒƒã‚¯ãƒ‘ッドã§ã¯ã€å„種ã‚ャッシュã«Memcachedã‚„Redisを使用ã—ã¦ã„ã¾ã™ã€‚ ã—ã‹ã—ã€ç”¨é€”ã®å¤šæ§˜åŒ–やアクセス数ã®å¢—åŠ ãªã©ã§ã“れらã®ã‚µãƒ¼ãƒã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹æ•°ãŒå¢—åŠ ã—管ç†ã‚³ã‚¹ãƒˆãŒå¢—åŠ ã—ã¦ãã¦ã„ã¾ã™ã€‚ 特ã«Redisサーãƒã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹æ•°ãŒå¢—åŠ ã—ã¦ãŠã‚Šã€AWSã®ã‚µãƒ¼ãƒ“スã®ä¸ã§ã‚‚ã‚ャッシュã®ã‚µãƒ¼ãƒ“スをæä¾›ã—ã¦ã„ã‚‹ElastiCache for Redisã¸ã®ç½®æ›ãˆã‚’検討ã—ã¦ã„ã¾ã™ã€‚ ElastiCache for Redisã¯ã€ä¸€éƒ¨ç®¡ç†ç³»ã®ã‚³ãƒžãƒ³ãƒ‰ãŒrenameã•ã‚Œã¦ãŠã‚Šä½¿ç”¨å‡ºæ¥ã¾ã›ã‚“ãŒã€é€šå¸¸ã®Redisã¨åŒã˜ç‰©ã§ã€ç¾åœ¨Version 2.6.13ã¨2.8.6ãŒä½¿ç”¨å‡ºæ¥ã¾ã™ã€‚ Slaveã«ã‚ãŸã‚‹ã‚‚ã®ã¯Replication Groupã¨ã„ã†å½¢ã§æŒ‡å®šã§ãã€Replicati
Redis(2.8ç³»)ã®åŸºæœ¬ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã‹Sentinelã®æŒ™å‹•ã¨ã‹ã®è‰²ã€…メモ - å…ƒRX-7ä¹—ã‚Šã®é©å½“ãªæ—¥ã€…
最近必è¦ã«è¿«ã‚‰ã‚Œã¦ã€ã‚ˆã†ã‚„ãRedisをインストールã—ã¦è§¦ã£ã¦ã¿ã¾ã—ãŸã€‚(Redis童貞ã‹ã‚‰ã®è„±å´) 色々ã¨ã€åŸºæœ¬éƒ¨åˆ†ã§ã¯ã‚ã‚‹ã‘ã©ã€ã›ã£ã‹ã実際ã«è§¦ã‚ŠãªãŒã‚‰å‹‰å¼·ã—ãŸã®ã§ã€ã“ã®ã‚¨ãƒ³ãƒˆãƒªã«ãƒ¡ãƒ¢ã—ã¦ãŠã“ã†ã¨æ€ã„ã¾ã™ã€‚ å°šã€ä½¿ã£ã¦ã¿ãŸRedisã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ã€stableã®æœ€æ–°ç‰ˆã§ã‚ã‚‹2.8.7ã§ã™ã€‚(OSã¯ã€Linuxã®CentOS 6.5) ã¡ãªã¿ã«ã€ã“ã®ã‚¨ãƒ³ãƒˆãƒªã«æ›¸ã„ã¦ã„ãªã„よã†ãªã€Redisã®åŸºæœ¬çš„ãªã‚¢ãƒ¬ã‚³ãƒ¬ã«ã¤ã„ã¦ã¯ã€WEB+DB Press Vol.73ã®Redis特集(2.6å‘ã‘ã§ã¯ã‚ã‚Šã¾ã™ãŒ)ã«ã»ã¨ã‚“ã©æ›¸ã„ã¦ã‚ã‚‹ã®ã§èªã‚€ã¹ã—。 WEB+DB PRESS Vol.73 作者: è¨æ¨‚洋爾,白土慧,ã¯ã¾ã¡ã‚„2,大和田純,æ¾ç”°æ˜Ž,後藤大輔,ã²ã‚ã›ã¾ã•ã‚ã,å°æž—篤,近藤宇智朗,ã¾ã‹ã¾ã‹èˆ¬è‹¥æ³¢ç¾…蜜,Mr. O,å·æ·»è²´ç”Ÿ,é‡å›½å’Œå®,柳澤建太郎,奥野幹也,ä½è—¤é‰„å¹³,後藤秀宣,mala,ä¸å³¶è¡,å ¤æ™º
Snapchatを支ãˆã‚‹æŠ€è¡“：768å°ã®Redisã‚’Googleクラウドã§æ§‹ç¯‰ #gcpja - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? Googleã®SVPã€Urs HoelzleãŒã€Œã„ã¾ä¸–ç•Œã§ã‚‚ã£ã¨ã‚‚人気ã®ã‚るスマートフォンアプリã€ã¨è©•ã—ã€Facebookã«ã‚ˆã‚‹3000億円ã®è²·åŽæ案をスルーã—ãŸã¨ã•ã‚Œã‚‹Snapchat。ãã®å…±åŒè¨ç«‹è€…ã§CTOã®Bobby MurphyãŒã€3/25ã«é–‹å‚¬ã•ã‚ŒãŸGoogle Cloud Platform Liveã«ç™»å ´ã—ã€â€œSnapchatを支ãˆã‚‹æŠ€è¡“â€ã¨ã—ã¦ã®Google Cloud Platform (GCP)ã®ä½¿ã„所や開発体制をã‹ãªã‚Šå…·ä½“çš„ã«èª¬æ˜Žã—ã¦ã„ãŸã®ã§ã€è£œè¶³ã¨è§£èª¬ã‚’交ãˆãªãŒã‚‰ã–ã£ã¨æ„訳ã—ã¦ã¿ãŸã€‚ Snapchatã®CTO, B
ムック「データベース徹底攻略〠- MySQL/Redis/MongoDB/Redshift
最近発売ã•ã‚ŒãŸæŠ€è¡“評論社ã®ãƒ ック「データベース徹底攻略ã€ã«å¯„稿ã—ã¾ã—ãŸã€‚ ã“ã®æœ¬ã¯ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãŸã‚ã®æœ¬ã¨ã„ã†ã“ã¨ã§ã€ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹è¨è¨ˆã€SQLã€MySQLã€Redisã€MongoDBã€Redshiftã¨ã„ã†ä»£è¡¨çš„ãªè¦ç´ 技術ã«ã¤ã„ã¦ã®ã¾ã¨ã‚ã¨ãªã£ã¦ã„ã¾ã™ã€‚å„プãƒãƒ€ã‚¯ãƒˆ(MySQLã€Redisã€MongoDBã€Redshift)ã«ã¤ã„ã¦ã¯ã€ç¾å ´ã§å®Ÿéš›ã«æœ¬æ ¼çš„ã«ä½¿ã‚ã‚Œã¦ã„る方々ã«ã‚ˆã‚‹è¨˜äº‹ãªã®ã§å¤§ã„ã«å‚考ã«ãªã‚‹ã¨æ€ã„ã¾ã™ã€‚ ç§ã¯å†’é ã®ã¾ã¨ã‚記事を寄稿ã—ã¾ã—ãŸã€‚詳細ã¯ãœã²ãŠæ‰‹ã«å–ã£ã¦èªã‚“ã§ãã ã•ã‚Œã°ã¨æ€ã„ã¾ã™ã€‚ã“ã“ã§ã‚‚自分ãŒå„技術をç¾æ™‚点ã§ã©ã®ã‚ˆã†ã«ã¨ã‚‰ãˆã¦ã„ã‚‹ã‹ã€æœ¬ã§ã¯ã„ã•ã•ã‹æ›¸ãã¥ã‚‰ã„内容ã«ã¤ã„ã¦ã€æœ€è¿‘æµè¡Œã‚Šã®è¨€è‘‰ã§ã‚‚ã‚ã‚‹ã€ŒæŠ€è¡“çš„è² å‚µã€ã¨ã„ã†è¦³ç‚¹ã‚‚è¸ã¾ãˆã¦æ›¸ã„ã¦ãŠã“ã†ã¨æ€ã„ã¾ã™ã€‚ ・MySQL (RDBMS) ç§ã¯MySQLã®ä¸ã®äººã§ã‚‚ã‚ã‚Šã¾ã—ãŸã—ã€ã“ã‚Œã¾ã§è‡³ã‚‹ã¨ã“ã‚ã§è©±ã—ã¦ããŸã®ã§çœç•¥ã—ã¾ã™
Redisã®ã‚¯ã‚¨ãƒªãƒ¼ã‚¢ãƒŠãƒ©ã‚¤ã‚¶ãƒ¼ "redis-traffic-stats" を書ãã¾ã—㟠- （ã²ï¼‰ãƒ¡ãƒ¢
redis-traffic-stats ã¨ã„ㆠRedis ã®ã‚¯ã‚¨ãƒªãƒ¼ã‚¢ãƒŠãƒ©ã‚¤ã‚¶ãƒ¼ã‚’作りã¾ã—ãŸã€‚ https://github.com/hirose31/redis-traffic-stats redis-traffic-statsã¯tcpdump -wã§æ›¸ã出ã—ãŸpcapデータを解æžã—ã¦ã€ä»¥ä¸‹ã®ã‚ˆã†ãªçµ±è¨ˆã‚’表示ã—ã¾ã™ã€‚ ç·ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯é‡ã¨å¹³å‡byte/sec ç·ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã¨å¹³å‡ã¨ãƒ”ークã®req/sec コマンド毎ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã€ç·ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã«å ã‚る割åˆã€req/secã‚’ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ãŒå¤šã„é †ã«ä¸Šä½10コマンドを表示 コマンド毎ã®ç·è»¢é€ãƒã‚¤ãƒˆæ•°ã€byte/secã‚’ã€ç·è»¢é€ãƒã‚¤ãƒˆæ•°ãŒå¤šã„é †ã«ä¸Šä½10コマンドを表示 コマンド別ã«ã€ã‚ー毎ã®ç·è»¢é€ãƒã‚¤ãƒˆæ•°ã€byte/secã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã®å‰²åˆã€req/secã‚’ã€ç·è»¢é€ãƒã‚¤ãƒˆæ•°ãŒå¤šã„é †ã«ä¸Šä½10ã‚ーを表示 時間ã®ã‹ã‹ã£
Redisを使ã£ã¦æŽ’他制御ã™ã‚‹wrapperコマンド Redis-Setlock ã‚’Perlã¨Goã§æ›¸ã„㟠- 酒日記 ã¯ã¦ãªæ”¯åº—
ã—ã°ã‚‰ãå‰ã«ä½œã£ã¦æ›¸ããã³ã‚Œã¦ã„ã¾ã—ãŸãŒã€Yokohama.pm #10 ã§LTã—ãŸã®ã§ã‚¨ãƒ³ãƒˆãƒªã‚‚ã‚ã’ã¾ã™ã€‚ Perl版 https://metacpan.org/release/Redis-Setlock Go版 http://fujiwara.github.io/go-redis-setlock/ LTã®ã‚¹ãƒ©ã‚¤ãƒ‰ã¯ã“ã¡ã‚‰ ⇒ Redis-Setlockを書ã„ãŸã¯ãªã— ãªã«ã‚’ã™ã‚‹ã‚‚ã®? 「setlockコマンドã®ãƒãƒƒã‚¯å‡¦ç†ã‚’Redisサーãƒã§è¡Œã†ã‚‚ã®ã€ã§ã™ã€‚ setlockã¯flockを使ã£ã¦ãƒãƒƒã‚¯ã‚’ç²å¾—ã—ãŸã‚‰å¼•æ•°ã«æ¸¡ã•ã‚ŒãŸã‚³ãƒžãƒ³ãƒ‰ã‚’execã™ã‚‹ã€daemontools付属ã®wrapperコマンドã§ã€cronã§ã‚³ãƒžãƒ³ãƒ‰å®Ÿè¡Œã™ã‚‹ã¨ããªã©å¤šé‡å®Ÿè¡Œã‚’制御ã™ã‚‹å ´åˆã«é‡å®ã—ã¾ã™ã€‚ flockã ã¨ãƒ›ã‚¹ãƒˆã‚’ã¾ãŸã„ã ãƒãƒƒã‚¯å‡¦ç†ãŒè¡Œãˆãªã„ãŸã‚ã€ãã®éƒ¨åˆ†ã‚’Redisを使ã£ãŸæŽ’他制御ã«ç½®ãæ›ãˆãŸã‚‚ã®ã‚’書ã„ã¦ã¿
Understanding the Top 5 Redis Performance Metrics
Understanding the Top 5 Redis Performance Metrics Using critical Redis metrics to troubleshoot performance issues Conor Branagan, Software Engineer, Datadog Patrick Crosby, Product Marketer, Datadog Understanding the Top 5 Redis Performance Metrics © 2013 Datadog Inc. 2 Introduction ....................................................................................................................
Redis::DistMutex – 時é™ä»˜ã分散ãƒãƒƒã‚¯ã§åŠ¹çŽ‡è‰¯ãサイトクãƒãƒ¼ãƒ«ã‚’ã—よㆠ| VASILY DEVELOPERS BLOG
ã¯ã˜ã‚ã¾ã—ã¦ã€‚ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®å‰ç”°ã§ã™ã€‚ 2013å¹´5月末ã®å…¥ç¤¾ä»¥é™ã€å¤§é‡ã®EC2インスタンスã®VPC移行を担当ã—ãŸå¾Œã€ä»Šã¯iQONã®å•†å“DBを支ãˆã‚‹ã‚¯ãƒãƒ¼ãƒ©ãƒ¼ã®æ”¹å–„ã«å–り組んã§ã„ã¾ã™ã€‚今回ã¯ãã®æ”¹å–„ã®1ã¤ã¨ã—ã¦é–‹ç™ºã—ãŸRedis::DistMutexã¨ã„ã†åˆ†æ•£ãƒãƒƒã‚¯æ©Ÿæ§‹ã®ruby実装を紹介をã—よã†ã¨æ€ã„ã¾ã™ã€‚ Redis::DistMutex 開発ã®çµŒç·¯ã‚„ç´°ã‹ã„è¨è¨ˆã®è©±ã¯å¾Œè¿°ã™ã‚‹ã¨ã—ã¦ã€ã¾ãšã¯ã¤ãã£ãŸgemã®ç´¹ä»‹ã‚’ã—ã¾ã™ã€‚ Redis::DistMutex Redisベースã®åˆ†æ•£ãƒãƒƒã‚¯æ©Ÿæ§‹ rubyã®ãƒ©ã‚¤ãƒ–ラリã«ã‚ã‚‹Mutexäº’æ› ã‚¹ãƒ¬ãƒƒãƒ‰é–“ã ã‘ã§ãªãã€ãƒ—ãƒã‚»ã‚¹é–“・ホスト間ã§ã‚‚共有ã§ãã‚‹Mutex 時é™ã¤ããƒãƒƒã‚¯ã®ä½œæˆãŒå¯èƒ½(redisã®setnxã¨expireを活用) namespaceを指定ã§ãã‚‹ã®ã§ã€ç‰¹å®šã®å‡¦ç†ã”ã¨ã«ãƒãƒƒã‚¯ã®ä½œæˆãŒå¯èƒ½ redis2.6以上ã®ã¿ã‚µãƒãƒ¼ãƒˆ(1秒
Redisã§ãƒã‚°ã®æ›¸ãè¾¼ã¿ãŒblockを引ãèµ·ã“ã™ - 酒日記 ã¯ã¦ãªæ”¯åº—
「Redisã‹ã‚ã„ã„よRedisã€(by typester)……ã¨ã„ã†ã»ã©è‡ªåˆ†ã¯ Redis 期ã§ã‚‚ãªã„ã®ã§ã™ãŒã€æœ€è¿‘ Redis を使ã£ãŸã‚µãƒ¼ãƒ“スã®é¢å€’を見ã¦ã„ã¦æ™‚々レスãƒãƒ³ã‚¹ãŒæ‚ªåŒ–ã™ã‚‹ç¾è±¡ã«å‡ºä¼šã£ãŸã®ã§èª¿ã¹ã¾ã—ãŸã€‚ å‰æ 使用ã—ã¦ã„ã‚‹ã®ã¯ Redis 2.4.16 ã§ã™ã€‚ redis.conf ã« "save [t] [n]" を定義ã™ã‚‹ã¨ã€æœ€å¾Œã« save ã‚’ã—ã¦ã‹ã‚‰ [t]秒間㫠[n]個以上㮠key ãŒæ›´æ–°ã•ã‚ŒãŸå ´åˆã« background 㧠save (=bgsave) ãŒå®Ÿè¡Œã•ã‚Œã¾ã™ã€‚ save 60 10000ã“ã‚Œã ã¨ã€60秒間㫠10,000 keys ã§ã™ã€‚ bgsave ã§ã¯ redisã¯è‡ªåˆ†è‡ªèº«ã®ãƒ—ãƒã‚»ã‚¹ã‚’ fork() ã—ã€åプãƒã‚»ã‚¹å´ã¯è‡ªåˆ†ã®ãƒ¡ãƒ¢ãƒªã«ä¹—ã£ã¦ã„る内容をファイルã«ã™ã¹ã¦æ›¸ã出ã—ã¾ã™ã€‚ ã“ã®ä»•çµ„ã¿ã«ã‚ˆã£ã¦ã€1プãƒã‚»ã‚¹ 1スレッドã§å‹•ä½œã—ã¦ã„ã‚‹ re
Redisã®ç›£è¦–/分æžç³»ãƒ„ールã¾ã¨ã‚ « Rest Term
Redis関連ã®ç›£è¦–/データ分æžç³»ãƒ„ールã«ã¤ã„ã¦ãƒ¡ãƒ¢ã—ã¦ãŠãã¾ã™ã€‚ éšæ™‚追記予定。実務ã§æœ‰ç”¨ãªãƒ„ールãŒä»–ã«ã‚ã‚Šã¾ã—ãŸã‚‰æ•™ãˆã¦ã„ãŸã ã‘ã‚‹ã¨å¬‰ã—ã„ã§ã™ã€‚ 環境 CentOS 5.9, Ubuntu 12.04 (x86_64) Redis 2.6.10 (※ CentOSã®6.xç³»ã¸ã®ç§»è¡Œã¯è¶³è¸ã¿çŠ¶æ…‹ã€‚相当大変ã§ã™ã‚ˆã。。) 以下ã®é †ã«ç´¹ä»‹ã—ã¦ã„ãã¾ã™ã€‚ Redisコマンド Redis Sentinel Redis Live Redis Faina Redis Sampler redis-top Nagiosプラグイン Zabbixテンプレート Muninプラグイン Cactiプラグイン 最後ã®Cactiプラグイン以外ã¯å®Ÿéš›ã«å°Žå…¥ã—ã¦è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚以é™ã€è¦‹å‡ºã—ã«å„プãƒãƒ€ã‚¯ãƒˆã¸ã®ãƒªãƒ³ã‚¯ã‚’è²¼ã£ã¦ãŠãã¾ã™ã€‚ Redisコマンド ツール紹介ã®å‰ã«ã¾ãšã¯åŸºæœ¬ã‹ã‚‰ã€‚Redisã«ã¯ç›£è¦–やデータ解æžç”¨é€”ã§ä½¿
Redis勉強会資料(2015/06 update)
Redis勉強会ã®è³‡æ–™ã§ã™ã€‚2013å¹´ã«åˆç‰ˆã‚’アップã—ã¾ã—ãŸã€‚2015å¹´6月ã«Redis-Clusterã®å†…容を追記ã—ã¦å†ã‚¢ãƒƒãƒ—ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚Read less
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Twilio ã¨ã„ã†ã‚µãƒ¼ãƒ“スã§æ±ºæ¸ˆã‚µãƒ¼ãƒ“スã®éšœå®³ãŒã‚ã£ãŸã‚‰ã—ã„ãŒã€æã—ã„ã“ã¨ã«ã“ã®ã‚µãƒ¼ãƒ“ã‚¹ã€ æ±ºæ¸ˆæƒ…å ±ã‚’Redisã§ç®¡ç†ã—ã¦ã„ãŸã‚‰ã—ã„ã€ã¨ã„ã†ã®ã‚’Redis作者ã€antirezæ°ã®blogã§çŸ¥ã£ãŸã€‚ Twilio incident and Redis - Antirez weblog ã“ã®ä»¶ã«é–¢ã—ã¦ã¯ã€Twilio自体も èª¿æŸ»å ±å‘Š を出ã—ã¦ã„る。簡å˜ã«ã¾ã¨ã‚ã‚‹ã¨ã“ã†ã„ã†æ„Ÿã˜ã : Twilioã§ã¯Redisã‚’ single-master, multi-slave ãªãƒ¬ãƒ—リケーション環境ã§ä½¿ç”¨ã—ã¦ã„ã‚‹ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯éšœå®³ã§ä¸€æ™‚çš„ã« master-slave é–“ã®æŽ¥ç¶šãŒåˆ‡ã‚ŒãŸã“ã¨ã«ã‚ˆã‚Šã€master-slaveé–“ã®ãƒ‡ãƒ¼ã‚¿ã®å†åŒæœŸãŒç™ºç”Ÿ ã“ã®å†åŒæœŸãŒã™ã¹ã¦ã®slaveã«å¯¾ã—ã¦åŒæ™‚ã«ç™ºç”Ÿã—ãŸãŸã‚ã€masterã®è² è·ãŒé«˜ããªã‚Šã€çµæžœæ±ºæ¸ˆã‚µãƒ¼ãƒ“スã®éšœå®³ãŒç™ºç”Ÿ ã“ã®è² è·ã‚’解決ã™ã‚‹ãŸã‚masterã‚’å†èµ·å‹•ã™ã‚‹
Redisã®Luaã§æ™‚é–“ã®ã‹ã‹ã‚‹å‡¦ç†ã‚’ã™ã‚‹ã¨ã©ã†ãªã‚‹ã‹ï¼Ÿ - （ã²ï¼‰ãƒ¡ãƒ¢
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High availability with Redis Sentinel
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Hi, I’m Shunsuke Nakamura (@sunsuk7tp). Just half a year ago, I completed the Computer Science Master’s program in Tokyo Tech and joined to NHN Japan as a member of LINE server team. My ambition is to hack distributed processing and storage systems and develop the next generation’s architecture. In the LINE server team, I’m in charge of development and operation of the advanced storage system whi
Redis ã® Pub/Sub を使ã£ã¦ Node.js + WebSocket ã®ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆã‚’実ç¾ã™ã‚‹æ–¹æ³•
Node ã«ãŠã‘るスケールアーã‚テクãƒãƒ£è€ƒå¯Ÿ(Scale ç·¨)ã¨ã„ã†ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã‚’èªã‚“ã§ã€Redisã¯Pub/Sub型通信をサãƒãƒ¼ãƒˆã—ã¦ã„ã‚‹ã¨ã„ã†äº‹ã‚’知りã¾ã—ãŸã€‚エントリーã§ã‚‚言åŠã•ã‚Œã¦ã„るよã†ã«ã€Pub/Subを使ãˆã° Node.js + WebSocket サーãƒã‚’スケールã™ã‚‹éš›ã«ã€ä¸ç¶™ã‚µãƒ¼ãƒã®å½¹å‰²ã‚’æžœãŸã™äº‹ãŒå‡ºæ¥ã‚‹ã¯ãšã§ã™ã€‚ ãã‚“ãªè¨³ã§å®Ÿéš›ã« Node.js 㨠Redis を使ã£ã¦ Pub/Sub ã®å®Ÿé¨“ã‚’è¡Œãªã£ã¦ã¿ã¾ã—ãŸã€‚ユーザãŒåˆ¥ã€…ã®Node.jsサーãƒã«æŽ¥ç¶šã—ã¦ã„ã¦ã‚‚WebSocketを通ã—ã¦ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã®ã‚„ã‚Šå–りを出æ¥ã‚‹ã‚ˆã†ã«ã—ã¾ã™ã€‚ イメージã¨ã—ã¦ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ 下準備# Ubuntuã®å ´åˆã¯ apt-get ã§1発ã§ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹äº‹ãŒå‡ºæ¥ã¾ã™ã€‚ $ sudo apt-get install redis npmã§redisモジュールをインストールã—ã¾ã™ã€‚ $ npm i
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