Linux释放内存
Sonder
2020-04-06
835字
2分钟
浏览 (3.1k)
释放网页缓存(To free pagecache):
sync; echo 1 > /proc/sys/vm/drop_caches释放目录项和索引(To free dentries and inodes):
sync; echo 2 > /proc/sys/vm/drop_caches释放网页缓存，目录项和索引（To free pagecache, dentries and inodes）:
sync; echo 3 > /proc/sys/vm/drop_caches下面是我实际的数据：
[root@localhost ~] free -m #查看内存
total used free shared buff/cache available
Mem: 481 224 120 1 136 202
Swap: 1023 283 740
[root@localhost ~] sync; echo 3 > /proc/sys/vm/drop_caches
[root@localhost ~] free -m #从120到186，释放了66m的内存
total used free shared buff/cache available
Mem: 481 209 186 1 85 222
Swap: 1023 283 740