手动释放内存1.sync将内存中的缓存写入磁盘2. to free pagecache, use echo 1 > /proc/sys/vm/drop_caches; to free dentries and inodes, use echo 2 > /proc/sys/vm/drop_caches; to free pagecache, dentries and inodes, use echo 3 >/proc/sys/vm/drop_caches.
手动释放内存1.sync将内存中的缓存写入磁盘2. to free pagecache, use echo 1 > /proc/sys/vm/drop_caches; to free dentries and inodes, use echo 2 > /proc/sys/vm/drop_caches; to free pagecache, dentries and inodes, use echo 3 >/proc/sys/vm/drop_caches.
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