openstack/openstack-ansible-os_neutron
Code Issues Proposed changes

Reduce init restart/kill times

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The systemd unit 'TimeoutSec' value which controls the time
between sending a SIGTERM signal and a SIGKILL signal when
stopping or restarting the service has been reduced from 300
seconds to 120 seconds. This provides 2 minutes for long-lived
sessions to drain while preventing new ones from starting
before a restart or a stop.

The 'RestartSec' value which controls the time between the
service stop and start when restarting has been reduced from
150 seconds to 2 seconds to make the restart happen faster.

These values can be adjusted by using the *_init_config_overrides
variables which use the config_template task to change template
defaults.

Change-Id: I696a0b9c1d8a8c82e797d737fe0eb69573d6f4d5
This commit is contained in:
Jesse Pretorius 2017-04-26 11:57:03 +01:00 committed by Jesse Pretorius (odyssey4me)
parent 9d43b6ffd0
commit 9aa37610f9
2 changed files with 25 additions and 2 deletions
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23
releasenotes/notes/neutron_init_time_settings-1ef46f6b9d4fc1df.yaml Normal file
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@ -0,0 +1,23 @@
---
features:
- For the ``os_neutron`` role, the systemd unit ``TimeoutSec`` value which
controls the time between sending a SIGTERM signal and a SIGKILL signal
when stopping or restarting the service has been reduced from 300 seconds
to 120 seconds. This provides 2 minutes for long-lived sessions to drain
while preventing new ones from starting before a restart or a stop. The
``RestartSec`` value which controls the time between the service stop and
start when restarting has been reduced from 150 seconds to 2 seconds to
make the restart happen faster. These values can be adjusted by using the
``neutron_*_init_config_overrides`` variables which use the
``config_template`` task to change template defaults.
upgrade:
- For the ``os_neutron`` role, the systemd unit ``TimeoutSec`` value which
controls the time between sending a SIGTERM signal and a SIGKILL signal
when stopping or restarting the service has been reduced from 300 seconds
to 120 seconds. This provides 2 minutes for long-lived sessions to drain
while preventing new ones from starting before a restart or a stop. The
``RestartSec`` value which controls the time between the service stop and
start when restarting has been reduced from 150 seconds to 2 seconds to
make the restart happen faster. These values can be adjusted by using the
``neutron_*_init_config_overrides`` variables which use the
``config_template`` task to change template defaults.

4
templates/neutron-systemd-init.j2
View File

@ -17,9 +17,9 @@ ExecStart={{ neutron_bin }}/{{ item.value.program_binary | default(item.value.se
{% endif %}
# Give a reasonable amount of time for the server to start up/shut down
TimeoutSec=300
TimeoutSec=120
Restart=on-failure
RestartSec=150
RestartSec=2
# This creates a specific slice which all services will operate from
# The accounting options give us the ability to see resource usage through