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hydra-backfill-ids: create to add jobset_id values to Builds and Jobs

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Vacuum every 10 iterations, update 10k at a time.
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Graham Christensen 2020-02-05 21:12:49 -05:00
parent f3a561aecd
commit f69260118b
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1
src/script/Makefile.am
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@ -3,6 +3,7 @@ EXTRA_DIST = \
hydra-eval-guile-jobs.in
distributable_scripts = \
hydra-backfill-ids \
hydra-init \
hydra-eval-jobset \
hydra-server \

164
src/script/hydra-backfill-ids Executable file
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@ -0,0 +1,164 @@
#! /usr/bin/env perl
use strict;
use utf8;
use Hydra::Model::DB;
STDOUT->autoflush();
STDERR->autoflush(1);
binmode STDERR, ":encoding(utf8)";
my $db = Hydra::Model::DB->new();
my $vacuum = $db->storage->dbh->prepare("VACUUM;");
my $dryRun = defined $ENV{'HYDRA_DRY_RUN'};
my $batchSize = 10000;
my $iterationsPerVacuum = 500;
sub backfillJobsJobsetId {
my ($skipLocked) = @_;
my $logPrefix;
if ($skipLocked) {
$logPrefix = "(pass 1/2)";
} else {
$logPrefix = "(pass 2/2)";
}
print STDERR "$logPrefix Backfilling Jobs records where jobset_id is NULL...\n";
my $totalToGoSth = $db->storage->dbh->prepare(<<QUERY);
SELECT COUNT(*) FROM jobs WHERE jobset_id IS NULL
QUERY
$totalToGoSth->execute();
my ($totalToGo) = $totalToGoSth->fetchrow_array;
my $skipLockedStmt = $skipLocked ? "FOR UPDATE SKIP LOCKED" : "";
my $update10kJobs = $db->storage->dbh->prepare(<<QUERY);
UPDATE jobs
SET jobset_id = (
SELECT jobsets.id
FROM jobsets
WHERE jobsets.name = jobs.jobset
AND jobsets.project = jobs.project
)
WHERE (jobs.project, jobs.jobset, jobs.name) in (
SELECT jobsprime.project, jobsprime.jobset, jobsprime.name
FROM jobs jobsprime
WHERE jobsprime.jobset_id IS NULL
$skipLockedStmt
LIMIT ?
);
QUERY
print STDERR "$logPrefix Total Jobs records without a jobset_id: $totalToGo\n";
my $iteration = 0;
my $affected;
do {
$iteration++;
$affected = $update10kJobs->execute($batchSize);
print STDERR "$logPrefix (batch #$iteration; $totalToGo remaining) Jobs.jobset_id: affected $affected rows...\n";
$totalToGo -= $affected;
if ($iteration % $iterationsPerVacuum == 0) {
print STDERR "$logPrefix (batch #$iteration) Vacuuming...\n";
$vacuum->execute();
}
} while ($affected > 0);
if ($skipLocked) {
backfillJobsJobsetId(0);
}
}
sub backfillBuildsJobsetId {
my ($skipLocked) = @_;
my $logPrefix;
if ($skipLocked) {
$logPrefix = "(pass 1/2)";
print STDERR "$logPrefix Backfilling unlocked Builds records where jobset_id is NULL...\n";
} else {
$logPrefix = "(pass 2/2)";
print STDERR "$logPrefix Backfilling all Builds records where jobset_id is NULL...\n";
}
my $skipLockedStmt = $skipLocked ? "FOR UPDATE SKIP LOCKED" : "";
my $update10kBuilds = $db->storage->dbh->prepare(<<"QUERY");
WITH updateprogress AS (
UPDATE builds
SET jobset_id = (
SELECT jobsets.id
FROM jobsets
WHERE jobsets.name = builds.jobset
AND jobsets.project = builds.project
)
WHERE builds.id in (
SELECT buildprime.id
FROM builds buildprime
WHERE buildprime.jobset_id IS NULL
AND buildprime.id >= ?
ORDER BY buildprime.id
$skipLockedStmt
LIMIT ?
)
RETURNING id
)
SELECT
count(*) AS affected,
max(updateprogress.id) AS highest_id
FROM updateprogress;
QUERY
my $lowestNullIdSth = $db->storage->dbh->prepare(<<QUERY);
SELECT id FROM builds WHERE jobset_id IS NULL ORDER BY id LIMIT 1
QUERY
$lowestNullIdSth->execute();
my ($highestId) = $lowestNullIdSth->fetchrow_array;
my $totalToGoSth = $db->storage->dbh->prepare(<<QUERY);
SELECT COUNT(*) FROM builds WHERE jobset_id IS NULL AND id >= ?
QUERY
$totalToGoSth->execute($highestId);
my ($totalToGo) = $totalToGoSth->fetchrow_array;
print STDERR "$logPrefix Total Builds records without a jobset_id: $totalToGo, starting at $highestId\n";
my $iteration = 0;
my $affected;
do {
my $previousHighId = $highestId;
$iteration++;
$update10kBuilds->execute($highestId, $batchSize);
($affected, $highestId) = $update10kBuilds->fetchrow_array;
print STDERR "$logPrefix (batch #$iteration; $totalToGo remaining) Builds.jobset_id: affected $affected rows; max ID: $previousHighId -> $highestId\n";
$totalToGo -= $affected;
if ($iteration % $iterationsPerVacuum == 0) {
print STDERR "$logPrefix (batch #$iteration) Vacuuming...\n";
$vacuum->execute();
}
} while ($affected > 0);
if ($skipLocked) {
backfillBuildsJobsetId(0);
}
}
die "syntax: $0\n" unless @ARGV == 0;
print STDERR "Beginning with a VACUUM\n";
$vacuum->execute();
backfillJobsJobsetId(1);
backfillBuildsJobsetId(1);
print STDERR "Ending with a VACUUM\n";
$vacuum->execute();