Apache Cassandra | Apache Cassandra Documentation
What is Apache Cassandra? Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.
第3回　memcachedã®æ¶ˆåŽ»ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã¨ä»Šå¾Œã®å‹•å‘ | gihyo.jp
memcachedã¯ã‚ャッシュãªã®ã§ã€ç‰¹å®šã®ãƒ‡ãƒ¼ã‚¿ãŒå¸¸ã«ã‚µãƒ¼ãƒã«å˜åœ¨ã—ãªã„ã“ã¨ãŒå‰æã§ã‚·ã‚¹ãƒ†ãƒ ã«å°Žå…¥ã•ã‚Œã¾ã™ã€‚今回ã¯memcachedã®ãƒ‡ãƒ¼ã‚¿å‰Šé™¤ãƒ¡ã‚«ãƒ‹ã‚ºãƒ ã€ãã—ã¦memcachedã®æœ€æ–°å‹•å‘ã§ã‚ã‚‹ãƒã‚¤ãƒŠãƒªãƒ—ãƒãƒˆã‚³ãƒ«ã¨å¤–部エンジンサãƒãƒ¼ãƒˆã‚’ã”紹介ã„ãŸã—ã¾ã™ã€‚ memcachedã¯ãƒ‡ãƒ¼ã‚¿å‰Šé™¤ã‚‚リソースを有効活用ã™ã‚‹ memcachedã‹ã‚‰å®Ÿéš›ã«ãƒ‡ãƒ¼ã‚¿ã¯æ¶ˆãˆãªã„ å‰å›žã®è¨˜äº‹ã§ç´¹ä»‹ã•ã›ã¦ã„ãŸã ãã¾ã—ãŸãŒã€memcachedã¯ç¢ºä¿ã—ãŸãƒ¡ãƒ¢ãƒªã‚’解放ã—ã¾ã›ã‚“。レコードã¯timeoutãŒéŽãŽãŸã‚‰ã‚¯ãƒ©ã‚¤ã‚¨ãƒ³ãƒˆã‹ã‚‰è¦‹ãˆãªããªã‚‹ï¼ˆinvisible・é€æ˜Žã«ãªã‚‹ï¼‰ã ã‘ã§ã€ãã®é ˜åŸŸã¯å†åˆ©ç”¨ã•ã‚Œã‚‹ä»•çµ„ã¿ã§ã™ã€‚ Lazy Expiration memcachedã¯å†…部的ã«ãƒ¬ã‚³ãƒ¼ãƒ‰ãŒexpireã—ãŸã‹ã®ç›£è¦–ã‚’è¡Œã„ã¾ã›ã‚“。替ã‚ã‚Šã«getã™ã‚‹éš›ã«ãƒ¬ã‚³ãƒ¼ãƒ‰ã®timestampを見るã“ã¨ã§ã€ãã®ãƒ¬ã‚³ãƒ¼ãƒ‰ãŒexpireã—ãŸã‹ã‚’ãƒ
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
処ç†ã‚’実行ä¸ã§ã™
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
{{#tags}}- {{label}}
{{/tags}}