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objectcache: Optimise SqlBagOStuff::incrWithInit with WRITE_BACKGROUND

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Bug: T310662
Bug: T261744
Change-Id: I9549722ff6f0c4d62d1bcbe8de55f51758157ec4
This commit is contained in:
Tim Starling 2022-07-04 18:27:47 +10:00 committed by Krinkle
parent 7fa8cf0164
commit 79afc20506
1 changed files with 43 additions and 1 deletions
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44
includes/objectcache/SqlBagOStuff.php
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@ -269,8 +269,14 @@ class SqlBagOStuff extends MediumSpecificBagOStuff {
protected function doIncrWithInit( $key, $exptime, $step, $init, $flags ) {
$mtime = $this->getCurrentTime();
if ( $flags & self::WRITE_BACKGROUND ) {
$callback = [ $this, 'modifyTableSpecificBlobsForIncrInitAsync' ];
} else {
$callback = [ $this, 'modifyTableSpecificBlobsForIncrInit' ];
}
$result = $this->modifyBlobs(
[ $this, 'modifyTableSpecificBlobsForIncrInit' ],
$callback,
$mtime,
[ $key => [ $step, $init, $exptime ] ],
$flags,
@ -986,6 +992,42 @@ class SqlBagOStuff extends MediumSpecificBagOStuff {
$this->updateOpStats( self::METRIC_OP_INCR, array_keys( $argsByKey ) );
}
/**
* Same as modifyTableSpecificBlobsForIncrInit() but does not return the
* new value.
*
* @param IDatabase $db
* @param string $ptable
* @param float $mtime
* @param array<string,array> $argsByKey
* @param array<string,mixed> &$resByKey
* @throws DBError
*/
private function modifyTableSpecificBlobsForIncrInitAsync(
IDatabase $db,
string $ptable,
float $mtime,
array $argsByKey,
array &$resByKey
) {
foreach ( $argsByKey as $key => list( $step, $init, $exptime ) ) {
$mt = $this->makeTimestampedModificationToken( $mtime, $db );
$expiry = $this->makeNewKeyExpiry( $exptime, (int)$mtime );
$db->upsert(
$ptable,
$this->buildUpsertRow( $db, $key, $init, $expiry, $mt ),
[ [ 'keyname' ] ],
$this->buildIncrUpsertSet( $db, $step, $init, $expiry, $mt, (int)$mtime ),
__METHOD__
);
if ( !$db->affectedRows() ) {
$this->logger->warning( __METHOD__ . ": failed to set new $key value" );
} else {
$resByKey[$key] = true;
}
}
}
/**
* @param int $exptime Relative or absolute expiration
* @param int $nowTsUnix Current UNIX timestamp