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hydra-queue-runner: Improved scheduling

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Each jobset now has a "scheduling share" that determines how much of
the build farm's time it is entitled to.  For instance, if a jobset
has 100 shares and the total number of shares of all jobsets is 1000,
it's entitled to 10% of the build farm's time.  When there is a free
build slot for a given system type, the queue runner will select the
jobset that is furthest below its scheduling share over a certain time
window (currently, the last day).  Withing that jobset, it will pick
the build with the highest priority.

So meta.schedulingPriority now only determines the order of builds
within a jobset, not between jobsets.  This makes it much easier to
prioritise one jobset over another (e.g. nixpkgs:trunk over
nixpkgs:stdenv).
This commit is contained in:
Eelco Dolstra
2013-09-21 14:47:52 +00:00
parent 7efe793ee6
commit 4ed877360b
10 changed files with 164 additions and 66 deletions
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12
src/lib/Hydra/Schema/Jobsets.pm
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@@ -118,6 +118,12 @@ __PACKAGE__->table("Jobsets");
default_value: 300
is_nullable: 0
=head2 schedulingshares
data_type: 'integer'
default_value: 100
is_nullable: 0
=cut
__PACKAGE__->add_columns(
@@ -151,6 +157,8 @@ __PACKAGE__->add_columns(
{ data_type => "integer", default_value => 3, is_nullable => 0 },
"checkinterval",
{ data_type => "integer", default_value => 300, is_nullable => 0 },
"schedulingshares",
{ data_type => "integer", default_value => 100, is_nullable => 0 },
);
=head1 PRIMARY KEY
@@ -272,7 +280,7 @@ __PACKAGE__->belongs_to(
);
# Created by DBIx::Class::Schema::Loader v0.07033 @ 2013-06-13 01:54:50
# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:tsGR8MhZRIUeNwpcVczMUw
# Created by DBIx::Class::Schema::Loader v0.07033 @ 2013-09-20 12:15:23
# DO NOT MODIFY THIS OR ANYTHING ABOVE! md5sum:pD6tGW0Ob3fuA1p0uQnBWw
1;