Personal test of how to expand SWAP burst memory using Bricklayer VPS host

Many of our netizens have reported that buying a high-end VPS host is good but too expensive. But the configuration of the low-end solution is too low. Is there any way to improve the performance? For example, can we increase memory. Here we can use technology to increase SWAP burst memory. Although it is not physical memory, it can still improve the memory effect to a certain extent and improve the performance efficiency of the VPS host.

Here we can increase the swap burst memory of the VPS host through the following steps.

1. Login directory

cd /var/

2. Get the 512MB file block:

dd if=/dev/zero of=swapfile bs=1M count=1024

Generally, it is set to 2 times the memory. The number after count is the swap size xxMB to be set. The following takes 1G as an example.

3. Create swap file

/sbin/mkswap swapfile

4. Activate swap file

/sbin/swapon swapfile

5. Check whether the swap is correct:

/sbin/swapon -s

In addition, for safety reasons, it is recommended to perform:

chmod 0644 /var/swapfile

6. Add it to the fstab file to automatically start when the system boots.

vi /etc/fstab

Add the following content at the end:

/var/swapfile swap swap defaults 0 0

You can also execute the following command directly.

echo “/var/swapfile swap swap defaults 0 0” >>/etc/fstab

In this way, we can add burst memory SWAP to the Bricklayer Server VPS host.

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