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virtualizationã«é–¢ã™ã‚‹nobu666ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (3)

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Hadoopã¯ä»®æƒ³åŒ–ã®æµã‚Œã«é€†è¡Œã™ã‚‹ã®ã‹ï¼Ÿ
å¾¡å¾’ç”ºï¼ MultiVersionConcurrentClimber(MVCC) @okachimachiorz1 Hadoopã®ã‚ˆã†ãªåˆ†æ•£ç’°å¢ƒãŒæ™®é€šã«å‡ºã¦ãã‚‹ã¨ã€å®Ÿã¯é€†ã«ä»®æƒ³åŒ–ã®å–ã‚Šæ‰±ã„ãŒå›°ã£ã¦ãã‚‹ã¨ã„ã†å•é¡ŒãŒç™ºç”Ÿã™ã‚‹ï¼ˆã¨ã„ã†ã‹ã—ã¦ã‚‹ï¼‰ã€‚åˆ†æ•£ã§ã¯ãƒãƒ¼ãƒ‰ã®ä»£æ›¿æ€§ãŒé«˜ã„ã®ã§ã€å¯¾éšœå®³æ€§ã¨ã„ã†æ„å‘³ã§ã®ä»®æƒ³åŒ–ã¯åˆ©ç”¨ç®‡æ‰€ãŒå±€æ‰€çš„ã«ãªã‚‹ã€‚å…¨é¢ä»®æƒ³åŒ–ãƒžãƒ³ã‚»ãƒ¼ã¯ã¡ã‚‡ã£ã¨å›°ã£ãŸã“ã¨ã«ãªã‚‹ã€‚ å¾¡å¾’ç”ºï¼ MultiVersionConcurrentClimber(MVCC) @okachimachiorz1 ç‰¹ã«é‹ç”¨å´é¢ã‹ã‚‰è¦‹ã‚‹ã¨ã€ä»®æƒ³åŒ–ã®ä½ç½®ã¥ã‘ã¯ãã‚ã‚ã¦æœ‰åŠ¹ãªéƒ¨åˆ†ã¨ã€ãã†ã§ãªã„éƒ¨åˆ†ãŒã‚ã‚‹ã®ã¯æ„è˜ã—ãŸã»ã†ãŒã„ã„ã¨æ€ã†ã€‚ä»®æƒ³åŒ–ã®å‰æãŒLAMPSã§ã‚ã‚‹ãªã‚‰ã€ãªãŠã•ã‚‰åˆ†æ•£ã‚¯ãƒ©ã‚¦ãƒ‰ã§ã®ä½ç½®ã¥ã‘ã¯å†è€ƒã—ãŸæ–¹ãŒè‰¯ã„ã¨æ€ã†ã€‚å‰æãŒé•ã†æ™‚ã¯ã€æ‰‹å½“ãŒå¿…è¦ã«ãªã‚‹ã“ã¨ãŒå¤šã„ã€‚ãªã‚“ã¨ãªããã†æ€ã†ã€‚ å¾¡å¾’ç”ºï¼ MultiVersionCon
nobu666 2011/06/10
hadoop

virtualization
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ä»®æƒ³åŒ–ã«ã¤ã„ã¦ã®é›‘æ„Ÿ | Carpe Diem
ç¾åœ¨ã€ã‚µãƒ¼ãƒã‚’ä»®æƒ³åŒ– (Virtualization) ã—ã¦é‹ç”¨ã™ã‚‹ã“ã¨ãŒã‚ãŸã‚Šã¾ãˆã«ãªã£ã¦ã„ã‚‹ã€‚å€‹äººçš„ã«ã¯ã€VMWare ESXiã€æ¥å‹™ã§ã¯ Xenã€ã‚’å°Žå…¥ã—ã¦ã„ã‚‹ã®ã§ã€ä»®æƒ³åŒ–ã™ã‚‹ã“ã¨ã®ãƒ¡ãƒªãƒƒãƒˆã¨ãƒ‡ãƒ¡ãƒªãƒƒãƒˆã‚’ã¾ã¨ã‚ã¦ã¿ã‚‹ã€‚ ãƒ¡ãƒªãƒƒãƒˆ ä»®æƒ³ãƒžã‚·ãƒ³ã”ã¨ã«ä¸€ã¤ã®å½¹å‰²ã ã‘ã‚’ã‚ãŸãˆã‚‹ã“ã¨ã§ã€å€‹åˆ¥ã‚µãƒ¼ãƒã®è¨å®šãŒå˜ç´”ã«ãªã‚‹ æ™®é€šã¯åŒã˜ã‚µãƒ¼ãƒã«åŒå±…ã§ããªã„ã‚ˆã†ãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’ã€ãã‚Œãžã‚Œä»®æƒ³ãƒžã‚·ãƒ³ã«ã™ã‚‹ã“ã¨ã§ç‰©ç†çš„ã«ã¯ä¸€å°ã«æ¸ˆã‚€_(å®Ÿéš›ã«ã¯ã€MySQL ã§åŒã˜ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹åã§ç•°ãªã‚‹ãƒ‡ãƒ¼ã‚¿ã‚’æ ¼ç´ã—ã¦ã„ã‚‹å ´åˆã«ä»®æƒ³åŒ–ã‚’è¡Œã£ã¦ã„ã‚‹ãŒã€4Gbps æœ¬ã« mysqld-safe ã‚’ä½¿ã†æ–¹æ³•ãŒã®ã£ã¦ã„ãŸã®ã§ã“ã¡ã‚‰ã®æ–¹ãŒã‚ˆã„ã‹ã‚‚) ä»®æƒ³ãƒžã‚·ãƒ³ã® OS ã”ã¨å«ã‚ãŸè¨å®šã‚’ã¾ã‚‹ã”ã‚ã‚³ãƒ”ãƒ¼ã—ã¦ä»–ã®ç‰©ç†ã‚µãƒ¼ãƒã¸å±•é–‹ã§ãã‚‹ï¼ˆã„ã‚ã‚†ã‚‹ãƒ©ã‚¤ãƒ–ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã€ä½¿ã£ãŸã“ã¨ã¯ãªã„ï¼‰ æ¶ˆè²»ãƒªã‚½ãƒ¼ã‚¹ãŒç•°ãªã‚‹ã‚µãƒ¼ãƒã‚’ã†ã¾ãçµ„ã¿åˆã‚ã›ã¦ä»®æƒ³åŒ–ã™ã‚‹
nobu666 2009/09/15
xen

virtualization
ãƒªãƒ³ã‚¯
How to use Virtualization Technology in Hatena
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nobu666 2009/02/05
server

hatena

virtualization
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