node sync url

ethereum/geth/ethereum-holesky-geth-pruned-pebble-path.yml

@@ -1,8 +1,12 @@
 
 
 services:
-  ethereum-holesky:                         
-    image: ethereum/client-go:${GETH_VERSION:-v1.15.5}
+  ethereum-holesky:
+    image: 'ethereum/client-go:${GETH_VERSION:-v1.15.5}'
+    
+    sysctls:
+      net.ipv4.tcp_slow_start_after_idle: 0
+      net.ipv4.tcp_no_metrics_save: 1    
     expose: 
       - 8545
       - 8551
@@ -60,7 +64,7 @@ services:
         "--monitoring-host=0.0.0.0",
         "--p2p-tcp-port=15993",
         "--p2p-udp-port=15993",
-        "--checkpoint-sync-url=",
+        "--checkpoint-sync-url=https://holesky.beaconstate.info",
         "--execution-endpoint=http://ethereum-holesky:8551",
         "--enable-historical-state-representation=false",
         "--beacon-db-pruning",