diff --git a/scripts/adb-rimo-import/adb-rimo-import-broker.php b/scripts/adb-rimo-import/adb-rimo-import-broker.php
old mode 100644
new mode 100755
index 9add81e0a..89396eee0
--- a/scripts/adb-rimo-import/adb-rimo-import-broker.php
+++ b/scripts/adb-rimo-import/adb-rimo-import-broker.php
@@ -5,10 +5,19 @@ if (PHP_SAPI !== 'cli') {
     die("This program can only be run on the command line.\n");
 }
 
-posix_setrlimit(POSIX_RLIMIT_FSIZE, 1024*1024*1024, 1024*1024*1024); // Limit max filesize to 1 GB
+posix_setrlimit(POSIX_RLIMIT_FSIZE, 1024*1024*1024*5, 1024*1024*1024*5); // Limit max filesize to 5 GB
+
+if(pidislocked()) {
+    _debug_log("ADB Rimo Import Broker läuft bereits (pidfile vorhanden)");
+    die("ADB Rimo Import Broker läuft bereits (pidfile vorhanden)");
+}
+if(!lockpid()) {
+    die("Error creating lock file!\n");
+}
 
 require("../../config/config.php");
 
+$debug_log = false;
 
 /*
  * Redirecting output so rlimit for filesize works
@@ -82,15 +91,6 @@ pcntl_signal(SIGTERM, 'signalHandler');
 $forkcount = 0;
 $childpids = [];
 
-if(pidislocked()) {
-    echo "ADB Rimo Import Broker läuft bereits (pidfile vorhanden)\n";
-    exit;
-}
-if(!lockpid()) {
-    $log->error(__FILE__.": Error creating lock file!");
-    die("Error creating lock file!\n");
-}
-
 $max_processes = 10;
 
 $all_pids = [];
@@ -146,14 +146,14 @@ while(1) {
     foreach($processes as $key => $proc) {
         if($proc["pid"]) {
             // process is running already, nothing to do here
-            echo "[parent] ".$proc["cluster_id"]." pid exists (".$proc["pid"].")\n";
+            _debug_log("[parent] ".$proc["cluster_id"]." pid exists (".$proc["pid"].")");
             continue;
         }
 
         $cluster_id = $proc["cluster_id"];
 
         if(isset($childpids[$cluster_id])) {
-            echo "[parent] job for ".$proc["cluster_id"]." exists\n";
+            _debug_log("[parent] job for ".$proc["cluster_id"]." exists");
             //echo "cannot start new $taskname job, because another one is running already\n";
             continue;
         }
@@ -167,13 +167,13 @@ while(1) {
         }
 
         if(count($all_pids) >= $max_processes) {
-            echo "[parent] max processes reached. Currently ".count($all_pids)." running processes.\n";
+            _debug_log("[parent] max processes reached. Currently ".count($all_pids)." running processes.");
             $fork_delay = 10;
             sleep(1);
             break;
         }
 
-        echo "[parent] forking for $cluster_id\n";
+        _debug_log("[parent] forking for $cluster_id");
         $pid = pcntl_fork();
 
         $fork_delay = 10;
@@ -227,7 +227,7 @@ while(1) {
         $status = false;
         $return_pid = pcntl_wait($status, WNOHANG);
         if($return_pid) {
-            echo "child $return_pid returned\n";
+            _debug_log("child $return_pid returned");
             $pid_proc = $all_pids[$return_pid];
             $pid_task = $pid_proc["cluster_id"];
             $childpids[$pid_task] = null;
@@ -321,18 +321,6 @@ function signalHandler($sig) {
     exit;
 }
 
-function client_log($pid, $text, $severity = "notice") {
-    global $log;
-    global $is_daemon;
-
-    if($is_daemon) {
-        echo "[".date('Y-m-d H:i:s')."] [$pid] $text\n";
-    }
-    $log->$severity($text);
-
-    return true;
-}
-
 function pidislocked() {
     $pidfile = __DIR__."/.adb-rimo-import-broker.lock";
     if(file_exists($pidfile)) {
@@ -357,4 +345,12 @@ function unlockpid() {
         return true;
     }
     return false;
+}
+
+function _debug_log($text) {
+    global $debug_log;
+
+    if($debug_log) {
+        echo "$text\n";
+    }
 }
\ No newline at end of file