Made root job de-duplication work without cache setup

bug: 55454
Change-Id: I9fbc1e34b4b771a16e567a1a16e2720af4379188
This commit is contained in:
Aaron Schulz 2013-10-07 19:30:10 -07:00
parent efc1919b56
commit 3e92b5471d
2 changed files with 9 additions and 8 deletions

View file

@ -36,6 +36,9 @@ abstract class JobQueue {
protected $maxTries; // integer; maximum number of times to try a job
protected $checkDelay; // boolean; allow delayed jobs
/** @var BagOStuff */
protected $dupCache;
const QOS_ATOMIC = 1; // integer; "all-or-nothing" job insertions
const QoS_Atomic = 1; // integer; "all-or-nothing" job insertions (b/c)
@ -61,6 +64,7 @@ abstract class JobQueue {
if ( $this->checkDelay && !$this->supportsDelayedJobs() ) {
throw new MWException( __CLASS__ . " does not support delayed jobs." );
}
$this->dupCache = wfGetCache( CACHE_ANYTHING );
}
/**
@ -439,8 +443,6 @@ abstract class JobQueue {
* @return bool
*/
protected function doDeduplicateRootJob( Job $job ) {
global $wgMemc;
if ( !$job->hasRootJobParams() ) {
throw new MWException( "Cannot register root job; missing parameters." );
}
@ -452,13 +454,13 @@ abstract class JobQueue {
// deferred till "transaction idle", do the same here, so that the ordering is
// maintained. Having only the de-duplication registration succeed would cause
// jobs to become no-ops without any actual jobs that made them redundant.
$timestamp = $wgMemc->get( $key ); // current last timestamp of this job
$timestamp = $this->dupCache->get( $key ); // current last timestamp of this job
if ( $timestamp && $timestamp >= $params['rootJobTimestamp'] ) {
return true; // a newer version of this root job was enqueued
}
// Update the timestamp of the last root job started at the location...
return $wgMemc->set( $key, $params['rootJobTimestamp'], JobQueueDB::ROOTJOB_TTL );
return $this->dupCache->set( $key, $params['rootJobTimestamp'], JobQueueDB::ROOTJOB_TTL );
}
/**
@ -484,15 +486,14 @@ abstract class JobQueue {
* @return bool
*/
protected function doIsRootJobOldDuplicate( Job $job ) {
global $wgMemc;
if ( !$job->hasRootJobParams() ) {
return false; // job has no de-deplication info
}
$params = $job->getRootJobParams();
$key = $this->getRootJobCacheKey( $params['rootJobSignature'] );
// Get the last time this root job was enqueued
$timestamp = $wgMemc->get( $this->getRootJobCacheKey( $params['rootJobSignature'] ) );
$timestamp = $this->dupCache->get( $key );
// Check if a new root job was started at the location after this one's...
return ( $timestamp && $timestamp > $params['rootJobTimestamp'] );

View file

@ -519,7 +519,7 @@ class JobQueueDB extends JobQueue {
// maintained. Having only the de-duplication registration succeed would cause
// jobs to become no-ops without any actual jobs that made them redundant.
list( $dbw, $scope ) = $this->getMasterDB();
$cache = $this->cache;
$cache = $this->dupCache;
$dbw->onTransactionIdle( function() use ( $cache, $params, $key, $scope ) {
$timestamp = $cache->get( $key ); // current last timestamp of this job
if ( $timestamp && $timestamp >= $params['rootJobTimestamp'] ) {