{"version":"1.0","provider_name":"Jui-Nan Lin&#039;s Blog","provider_url":"https:\/\/jnlin.org","author_name":"jnlin","author_url":"https:\/\/jnlin.org\/author\/jnlin\/","title":"Galera Cluster \u7684 gcache.size \u8a2d\u5b9a","html":"<code>gcache.size<\/code> \u7684\u5927\u5c0f\u6703\u5f71\u97ff Node \u52a0\u5165 Cluster \u6642\uff0c\u9700\u4e0d\u9700\u8981\u5b8c\u6574\u8907\u88fd\u8cc7\u6599\u3002\u5982\u679c\u8cc7\u6599\u66f4\u52d5\u7a0b\u5ea6\u904e\u5927\uff0c\u5728 gcache \u88e1\u9762\u5df2\u7d93\u627e\u4e0d\u5230\u66f4\u52d5\u90e8\u4efd\u7684\u8a71\uff0c\u5c31\u9700\u8981\u5b8c\u6574\u8907\u88fd\u8cc7\u6599\uff1b\u53cd\u4e4b\u5247\u53ef\u4ee5\u76f4\u63a5 apply gcache \u88e1\u9762\u7684\u8b8a\u66f4\u3002<a href=\"http:\/\/www.severalnines.com\/blog\/understanding-gcache-galera\">Understanding gcache in Galera<\/a> \u5f88\u8a73\u7d30\u7684\u8aaa\u660e\u4e86 gcache \u7684\u7528\u9014\u3002\r\n\r\n<code>gcache.size<\/code> \u7684\u9810\u8a2d\u503c\u662f 128MB\u3002\u67e5\u4e86\u4e00\u4e0b\u8cc7\u6599\uff0c\u662f\u4f7f\u7528 MMAP \u7684\u65b9\u5f0f\u4f86\u61c9\u7528 ((http:\/\/www.percona.com\/files\/presentations\/percona-live\/nyc-2012\/PLNY12-galera-cluster-best-practices.pdf))\uff0c\u6240\u4ee5\u53ef\u4ee5\u76e1\u91cf\u8a2d\u5b9a\u5927\u4e00\u4e9b\u3002\u96d6\u7136 mysqld \u770b\u8d77\u4f86\u6703\u5f88\u80a5\uff0c\u4f46\u5be6\u969b\u4e0a\u662f\u5403\u4e0d\u5230\u90a3\u9ebc\u591a\u8a18\u61b6\u9ad4\u7684\u3002\u6211\u5011\u662f\u8a2d\u5b9a\u6210 8G\u3002 ","type":"rich"}