Writing to this file causes the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free. To free pagecache, use echo 1 > /proc/sys/vm/drop_caches; 小米兼职DBA http://www.cnblogs.com/MYSQLZOUQI/p/4857437.html to free dentries and inodes, use e...
OpenStack是一种开源的云计算平台，可用于管理和部署基础设施服务，例如虚拟机（VM）和存储。其中，VM的...
/proc/sys/vm主要是关于虚拟存储的相关信息。...When this flag is set, Linux reports all disk read and write operations that take place, and all block...To free pagecache: echo 1 > /proc/sys/vm/drop_caches To free dentries and inodes: echo 2 > /proc/sys.../proc/sys/vm/block_dump...