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vm.overcommit_memory & transparent_hugepage (#154)

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as recommanded by REDIS
\#WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.

\# WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
This commit is contained in:
JOduMonT 2017-08-21 22:36:13 +07:00 committed by Pierre Ozoux
parent a3eb4870a6
commit b0df1b0667
1 changed files with 3 additions and 0 deletions
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INSTALL_LINUX.md
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@ -31,9 +31,12 @@ systemctl restart sshd
cat > /etc/sysctl.d/libresh.conf <<EOF
fs.aio-max-nr=1048576
vm.max_map_count=262144
vm.overcommit_memory=1
EOF
chmod 644 /etc/sysctl.d/libresh.conf
sysctl -p
echo never > /sys/kernel/mm/transparent_hugepage/enabled
```
# define Localhost