Any way to enable to set RAMdisk on MV1000?

Hello friends,
I would like to enable ramdisk for the OS if possible to spare reads and writes to the emmc. Is this possible on OpenWRT? My raspberry pi and pfsense can do this, so I wanted to see if I can enable it on the MV1000 as it has so much memory, it can handle it easily.

You can use /tmp which is in the RAM

Is there a how-to? I would love to try this.

This is folder on your root directory /tmp, this folder used your router RAM. Alzhao this is correct?

yes, this is correct. Just write files to /tmp and it is in ram.

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Thanks @alzhao. I re-read the docs and noticed that.