News "blocked" field on the gserver table

src/Worker/UpdateServerPeers.php

@@ -27,6 +27,7 @@ use Friendica\Database\DBA;
 use Friendica\DI;
 use Friendica\Model\GServer;
 use Friendica\Network\HTTPClient\Client\HttpClientAccept;
+use Friendica\Util\Network;
 use Friendica\Util\Strings;
 
 class UpdateServerPeers
@@ -56,6 +57,11 @@ class UpdateServerPeers
 		$total = 0;
 		$added = 0;
 		foreach ($peers as $peer) {
+			if (Network::isUrlBlocked('http://' . $peer)) {
+				// Ignore blocked systems as soon as possible in the loop to avoid being slowed down by tar pits
+				continue;
+			}
+
 			++$total;
 			if (DBA::exists('gserver', ['nurl' => Strings::normaliseLink('http://' . $peer)])) {
 				// We already know this server