Rename var to max_filesize

Signed-off-by: Git'Fellow <12234510+solracsf@users.noreply.github.com>

core/BackgroundJobs/GenerateMetadataJob.php

@@ -37,8 +37,8 @@
 use Psr\Log\LoggerInterface;
 
 class GenerateMetadataJob extends TimedJob {
-	// Default memory limit for metadata generation (256 MBytes).
-	protected const DEFAULT_MEMORY_LIMIT = 256;
+	// Default file size limit for metadata generation (MBytes).
+	protected const DEFAULT_MAX_FILESIZE = 256;
 
 	public function __construct(
 		ITimeFactory $time,
@@ -103,11 +103,12 @@ private function scanFolder(Folder $folder): void {
 				continue;
 			}
 
-			// Don't generate metadata for files bigger than metadata_max_memory
+			// Don't generate metadata for files bigger than configured metadata_max_filesize
+			// Files are loaded in memory so very big files can lead to an OOM on the server
 			$nodeSize = $node->getSize();
-			$memoryLimit = $this->config->getSystemValueInt('metadata_max_memory', self::DEFAULT_MEMORY_LIMIT);
-			if ($nodeSize > $memoryLimit * 1000000) {
-				$this->logger->debug("Skipping generating metadata for fileid " . $node->getId() . " as its size exceeds configured 'metadata_max_memory'.");
+			$nodeLimit = $this->config->getSystemValueInt('metadata_max_filesize', self::DEFAULT_MAX_FILESIZE);
+			if ($nodeSize > $nodeLimit * 1000000) {
+				$this->logger->debug("Skipping generating metadata for fileid " . $node->getId() . " as its size exceeds configured 'metadata_max_filesize'.");
 				continue;
 			}