是否应将默认交换空间增加到 3GB 或 4GB？

[Ed_S]

Can I strongly suggest that the installation script should also set the two kernel tunables which affect the memory handling? It would be good to know that everyone who apparently has a problem does at least have a starting point of a good kernel setup.

@mcdanlj

Kernel configuration

… disabling transparent huge pages, and I also allow memory overcommit.

echo 'sys.kernel.mm.transparent_hugepage.enabled=never' > /etc/sysctl.d/10-huge-pages.conf
echo 'vm.overcommit_memory=1' > /etc/sysctl.d/90-vm_overcommit_memory.conf
sysctl --system