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

restartr id:restartr

memcachedã«é–¢ã™ã‚‹restartrã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

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GitHub - cybozu/yrmcds: memcached compatible KVS with master/slave replication.
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restartr 2013/11/29
"memcached compatible KVS with master/slave replication."

memcached

replication

kvs
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memcachedã¨Redisã®ç”Ÿå˜æˆ¦ç•¥ã€ã¨ã„ã†ã‹memory allocationæˆ¦ç•¥ - æ„›ã¨å‹‡æ°—ã¨ç¼¶ãƒ“ãƒ¼ãƒ«
ã¡ã‚‡ã£ã¨memcached & Redisã«ã¤ã„ã¦èª¿ã¹ãŸã®ã§ã‚ã‚‚ã€‚ ã¡ãªã¿ã«ã€ç”Ÿå˜æˆ¦ç•¥ã£ã¦è¨€è‘‰ã¯æœ€è¿‘Twitterã§ã‚ˆãè¦‹ã‚‹ã‹ã‚‰ä½¿ã£ã¦ã¿ãŸã ã‘ã§ã€å®Ÿéš›ã«ä½•ã‹ã¯çŸ¥ã‚Šã¾ã›ã‚“ã€‚æŒã‹ä½•ã‹ã‹ãªã€‚ ã¡ãªã¿ã«è¦‹ã¦ã„ã‚‹ã‚½ãƒ¼ã‚¹ã«ã¤ã„ã¦ã¯ã€memcachedã¯1.4.6ã€Redisã¯ç¾æ™‚ç‚¹ã§ã®gitã®æœ€æ–°(å¤šåˆ†)ã€‚ memcachedã«é–¢ã—ã¦ã€ç‰¹å®šã®ã‚µã‚¤ã‚ºã®chunkã‚’ç®¡ç†ã™ã‚‹slab classã£ã¦ã„ã†ã‚‚ã®ãŒã‚ã‚‹ã‚ˆãƒ¼ã‚“ã€ã¨ã‹ã¯èª¬æ˜Žã™ã‚‹ã¨ã‚ã‚“ã©ãã•ã„ã®ã§é£›ã°ã—ã¾ã™ã€‚â†“ã®è¨˜äº‹ã¨ã‹ã«æ›¸ã„ã¦ã‚ã‚Šã¾ã™ã€‚ http://gihyo.jp/dev/feature/01/memcached/0002?page=1 memcached èµ·å‹•æ™‚ã®-Lã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒä»˜ã„ã¦ã‚‹å ´åˆã€åˆã‚ã«å…¨éƒ¨mallocã—ã¡ã‚ƒã†ã€‚ä»˜ã„ã¦ã„ãªã„ && DONT_PREALLOC_SLABSãŒdefineã•ã‚Œã¦ã„ã‚‹å ´åˆã¯chunkã®preallocate
restartr 2012/01/27
"memcachedã¯ã€Œmallocãªã‚“ã‹ã«ä»»ã›ã¦ãŠã‘ã‚‹ã‘ã„ï¼ä¿ºãŒchunkã‚’åˆ¶å¾¡ã™ã‚‹ãœï¼ã€ã£ã¦ã‚«ãƒ³ã‚¸ã§ã€Redisã¯ã€Œmallocã•ã‚“ã«ãŠä»»ã›ã—ã¾ã™ã‚ã€ã§ã‚‚allocateã—ãŸã‚µã‚¤ã‚ºã¯é ‚ããŸã„ã§ã™ã‚ãã€ã£ã¦ãã‚“ãªã‚«ãƒ³ã‚¸ã€‚"

malloc

redis

memcached
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Twitterã‚’åˆ©ç”¨ã—ã¦ã„ã‚‹ã¨ã€ã¨ãã©ãã‚¯ã‚¸ãƒ©ã®çµµã®ç”»é¢ãŒè¡¨ç¤ºã•ã‚Œã‚‹ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯Twitterã®å‡¦ç†èƒ½åŠ›ãŒãƒ‘ãƒ³ã‚¯ã—ã¦ä¸€æ™‚çš„ã«åˆ©ç”¨ä¸å¯ã«ãªã£ãŸã¨ãã«è¡¨ç¤ºã•ã‚Œã‚‹ãŠé¦´æŸ“ã¿ã®ç”»é¢ã€‚ 2æœˆ9æ—¥ã«Twitter Engineeringãƒ–ãƒã‚°ã«ãƒã‚¹ãƒˆã•ã‚ŒãŸã‚¨ãƒ³ãƒˆãƒªã€ŒThe Anatomy of a Whaleã€ï¼ˆã‚¯ã‚¸ãƒ©ã®è§£å‰–å¦ï¼‰ã§ã¯ã€Twitterã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŸã¡ãŒã“ã®ã‚¯ã‚¸ãƒ©ã®å†…éƒ¨ã«åˆ†ã‘å…¥ã£ã¦ã©ã®ã‚ˆã†ã«Twitterã‚µãƒ¼ãƒã®å‡¦ç†èƒ½åŠ›ã‚’å‘ä¸Šã•ã›ãŸã®ã‹ã€ã¨ã„ã†è©±ãŒè©³ã—ãèªžã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ å½¼ã‚‰ãŒè¡Œã£ãŸã®ã¯ã€ã¾ãšè©³ç´°ãªãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã—ã¦åŽŸå› ãŒã©ã®è¾ºã«ã‚ã‚‹ã®ã‹ã‚’æŽ¨æ¸¬ã™ã‚‹ã“ã¨ã€‚ãã“ã‹ã‚‰å¤šæ•°ã®ç„¡é§„ãªå‡¦ç†ã‚’ç™ºè¦‹ã—ã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®ä¿®æ£ã«ã‚ˆã‚‹æ€§èƒ½ã®å‘ä¸Šã«æˆåŠŸã—ã¾ã™ã€‚ å…ƒè¨˜äº‹ã¯éžå¸¸ã«é•·ã„ã‚¨ãƒ³ãƒˆãƒªã«ãªã£ã¦ã„ã¾ã™ãŒã€å•é¡Œã®èª¿æŸ»ã‹ã‚‰è§£æ±ºã«è‡³ã‚‹ã‚¢ãƒ—ãƒãƒ¼ãƒã«ã¤ã„ã¦å¤šãã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ã®æ–¹ã®å‚è€ƒã«ãªã‚Šãã†ãªå†…å®¹ãŒå«ã¾ã‚Œã¦ã„ã¾ã™ã—ã€T
restartr 2010/02/16
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twitter

performance

scalability

memcached

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English (US)
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restartr 2010/02/10
twitter

memcached

performance
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