/dev/shm默认情况下为物理内存大小的50%,遇到空间紧张时可以扩大。
vim /etc/fstab
# # /etc/fstab # Created by anaconda on Wed Dec 21 20:56:58 2016 # # Accessible filesystems, by reference, are maintained under '/dev/disk' # See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info # UUID=57ceaac5-c1a8-411b-b9c5-570b7a499b01 / ext4 defaults 1 1 UUID=192678e4-dbac-422a-97d8-6f42de4f1e4f /boot ext4 defaults 1 2 UUID=8c9e4e7a-eabe-4d28-835e-410149507bd5 /opt ext4 defaults 1 2 UUID=5ff994b0-f390-4f55-afad-2e1b16d02a57 swap swap defaults 0 0 tmpfs /dev/shm tmpfs defaults,size=24576m 0 0 devpts /dev/pts devpts gid=5,mode=620 0 0 sysfs /sys sysfs defaults 0 0 proc /proc proc defaults 0 0
mount -o remount /dev/shm