VPS Hosting General

What is VPS swap space and when should I use it?

Swap space is disk space used as overflow when RAM is fully utilized. When RAM fills up without swap, the Linux OOM (Out Of Memory) killer terminates processes — often killing your web server or database. With swap, the kernel moves inactive memory pages to disk, freeing RAM for active processes. However, swap is 100-1000x slower than RAM (even on NVMe SSD), so heavy swap usage means your VPS needs more RAM. Create swap on Connect Quest VPS: fallocate -l 2G /swapfile, chmod 600 /swapfile, mkswap /swapfile, swapon /swapfile, echo /swapfile none swap sw 0 0 >> /etc/fstab. Set swappiness to 10 (sysctl vm.swappiness=10) to prefer RAM over swap. Monitor swap usage: free -h. If swap is consistently used above 50%, upgrade your VPS RAM via Connect Quest at connectquest.co.in.

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