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#296 modification to add min_runtime optional sleep

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This commit is contained in:
Oliver Gorwits
2017-04-14 21:24:02 +01:00
parent 6524ceefae
commit b7724bc16c
3 changed files with 8 additions and 0 deletions
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2
Netdisco/lib/App/Netdisco/Daemon/Worker/Common.pm
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@@ -8,6 +8,7 @@ use App::Netdisco::Util::Daemon;
use Role::Tiny; use Role::Tiny;
use namespace::clean; use namespace::clean;
use Time::HiRes 'sleep';
use App::Netdisco::JobQueue qw/jq_defer jq_complete/; use App::Netdisco::JobQueue qw/jq_defer jq_complete/;
sub worker_begin { (shift)->{started} = time } sub worker_begin { (shift)->{started} = time }
@@ -40,6 +41,7 @@ sub worker_body {
}; };
$self->close_job($job); $self->close_job($job);
sleep( setting('workers')->{'min_runtime'} || 0 );
$self->exit(0); # recycle worker $self->exit(0); # recycle worker
} }
} }

5
Netdisco/lib/App/Netdisco/Manual/Configuration.pod
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@@ -1132,6 +1132,7 @@ Value: Settings Tree. Default:
workers: workers:
tasks: 'AUTO * 2' tasks: 'AUTO * 2'
sleep_time: 1 sleep_time: 1
min_runtime: 0
Control the activity of the backend daemon with this configuration setting. Control the activity of the backend daemon with this configuration setting.
@@ -1145,6 +1146,10 @@ workers (which allows you to have a scheduler-only node).
C<sleep_time> is the number of seconds between polling the database to find C<sleep_time> is the number of seconds between polling the database to find
new jobs. This is a balance between responsiveness and database load. new jobs. This is a balance between responsiveness and database load.
C<min_runtime> allows you to set a time that each worker will sleep before
recycling and starting another job. Some users report this needs to be set
to avoid a 'runaway worker' bug. It can take a fractional number of seconds.
=head3 C<schedule> =head3 C<schedule>
Value: Settings Tree. Default: None. Value: Settings Tree. Default: None.

1
Netdisco/share/config.yml
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@@ -199,6 +199,7 @@ wap_ouis: []
workers: workers:
tasks: 'AUTO * 2' tasks: 'AUTO * 2'
sleep_time: 1 sleep_time: 1
min_runtime: 0
queue: PostgreSQL queue: PostgreSQL
dns: dns: