Verify sysctl parameters
Last Updated:
June 30, 2026
- Verify that the following
sysctl parameters are correctly configured following a
Linux upgrade or migration.
vm.max_map_count (expected:
1048575)vm.swappiness (expected:
0)net.core.rmem_default (expected:
16777216)net.core.wmem_default (expected:
16777216)net.core.optmem_max (expected:
40960)net.core.rmem_max (expected:
16777216)net.core.wmem_max (expected:
16777216)net.ipv4.tcp_rmem (expected:
4096 87380 16777216)net.ipv4.tcp_wmem (expected:
4096 65536 16777216)