linux swap memory limits – reference guide

Published: September 25, 2019 / Updated: July 29, 2021 Akhil Jalagam Beginners, DevOps, Howto, Linux

Table 1: Recommended system swap space in Fedora 28 documentation

Amount of system RAMRecommended swap spaceRecommended swap with hibernation
less than 2 GB2 times the amount of RAM3 times the amount of RAM
2 GB – 8 GBEqual to the amount of RAM2 times the amount of RAM
8 GB – 64 GB0.5 times the amount of RAM1.5 times the amount of RAM
more than 64 GBworkload dependenthibernation not recommended

Table 2: Recommended system swap space per the author

Amount of RAMRecommended swap space
≤ 2GB2X RAM
2GB – 8GB= RAM
>8GB8GB

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