Plurk Open Source - LightCloud
Distributed key-value database Features Built on Tokyo Tyrant. One of the fastest key-value databases. Tokyo Tyrant has been in development for many years and is used in production by Plurk.com, mixi.jp and scribd.com (to name a few)... Great performance (comparable to memcached!) Can store millions of keys on very few servers - tested in production Scale out by just adding nodes Nodes are replica
Tokyo Tyrantã«ã‚ˆã‚‹HAãƒãƒƒã‚·ãƒ¥DBサーãƒã®æ§‹ç¯‰ - mixi engineer blog
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