add service for gStream2tcp and adjust xcache.cfg

etc/systemd/system/multi-user.target.wants/gStream2tcp.service

+[Unit]
+Description=GStream2TCP
+Wants=xcache.service
+
+[Service]
+Type=simple
+User=xcache
+Environment="XC_MONITOR='collector.atlas-ml.org:9000'"
+ExecStart=/usr/bin/python3 /var/local/xcache/gStream2tcp.py &
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

etc/xrootd/xcache.cfg

@@ -80,8 +80,8 @@ else
     ofs.authorize
 
     all.sitename LRZ-LMU
-    xrootd.monitor dest pfc collector.atlas-ml.org:9000
-    xrootd.mongstream pfc use flush 30s maxlen 1300 send json insthdr collector.atlas-ml.org:9000
+    xrootd.monitor dest pfc 127.0.0.1:9000
+    xrootd.mongstream pfc use flush 30s maxlen 1500 send json insthdr 127.0.0.1:9000
 fi
 
 # resolving bug in rc4