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Read ahead over SFTP: one connection with 32 requests in flight by default, more with restore_sftp_connections; a Storage Box gets slower with parallel readers

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Dillard Blom
2026-10-19 07:46:12 +02:00
parent 6121f684e9
commit c95f552cc6
8 changed files with 47 additions and 22 deletions
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lib/Service/TargetService.php
+4 -1
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@@ -287,7 +287,10 @@ final class TargetService {
private function buildBackend(string $backend, string $auth, array $options, string $basePath, bool $createBase = true): StorageBackend {
$create = fn (): IStorage => $this->factory()->create($backend, $auth, $options);
return new StorageBackend($create(), $basePath, $createBase, $create);
$storage = new StorageBackend($create(), $basePath, $createBase, $create);
$storage->readAheadConnections = Server::get(\OCP\IAppConfig::class)
->getValueInt('ng_backup', 'restore_sftp_connections', \OCA\NgBackup\Backend\SftpRangeFetcher::DEFAULT_CONNECTIONS);
return $storage;
}
private ?ExternalStorageFactory $factory = null;