starlingx
/
stx-puppet
Code Issues Proposed changes

Merge "Increase min_free_kbytes to 256M for storage to avoid OOM issue"

This commit is contained in:
Zuul 2021-05-05 21:47:13 +00:00 committed by Gerrit Code Review
parent 5695a29e6a 94ec35ff2d
commit 7ced800f8d
1 changed files with 15 additions and 5 deletions
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20
puppet-manifests/src/modules/platform/manifests/sysctl.pp
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@ -10,11 +10,6 @@ class platform::sysctl
$ip_version = $::platform::network::mgmt::params::subnet_version
# Increase min_free_kbytes to 128 MiB from 88 MiB, helps prevent OOM
sysctl::value { 'vm.min_free_kbytes':
value => '131072'
}
# Set sched_nr_migrate to standard linux default
sysctl::value { 'kernel.sched_nr_migrate':
value => '8',
@ -119,6 +114,11 @@ class platform::sysctl::controller
include ::platform::sysctl
include ::platform::sysctl::controller::reserve_ports
# Increase min_free_kbytes to 128 MiB from 88 MiB, helps prevent OOM
sysctl::value { 'vm.min_free_kbytes':
value => '131072'
}
# Engineer VM page cache tunables to prevent significant IO delays that may
# occur if we flush a buildup of dirty pages. Engineer VM settings to make
# writebacks more regular. Note that Linux default proportion of page cache that
@ -164,11 +164,21 @@ class platform::sysctl::controller
class platform::sysctl::compute {
include ::platform::sysctl
# Increase min_free_kbytes to 128 MiB from 88 MiB, helps prevent OOM
sysctl::value { 'vm.min_free_kbytes':
value => '131072'
}
}
class platform::sysctl::storage {
include ::platform::sysctl
# Increase min_free_kbytes to 256 MiB for storage node, helps prevent OOM
sysctl::value { 'vm.min_free_kbytes':
value => '262144'
}
}