clean up the readme

Author: alexpyattaev

README.md

@@ -42,6 +42,10 @@ use
 Once the script disconnects DZ, it will not automatically reconnect it, as it has no way to test if
 DZ is back or not short of switching the validator to a potentially broken configuration.
 
+When this script disconnects DZ, it does so by issuing `ip link set doublezero0 down` command.
+To reenable DZ after it was disconnected, call `ip link set doublezero0 up` and restart the
+monitoring service.
+
 ## For edge filtration mode
 
 use

config.py

@@ -15,7 +15,7 @@
 # Path to the admin RPC socket of the validator
 ADMIN_RPC_PATH = "/home/sol/ledger/admin.rpc"
 
-# Parameters you should probably not tune
+# Parameters below you should probably not tune
 
 # Table to create in nftables
 NFT_TABLE = "dz_mon"
@@ -24,3 +24,7 @@
 # Minimal stake of node for us to care about it
 # Setting this higher reduces overheads of monitoring
 MIN_STAKE_TO_CARE = LAMPORTS_PER_SOL * 50000
+
+# Amount of time to collect statistics after startup before
+# enabling the checking logic
+WARMUP_PERIOD = NODE_REFRESH_INTERVAL_SECONDS * 4

monitor_ibrl.py

@@ -184,7 +184,7 @@ async def decision(self) -> None:
         Goes over the connections ensuring we are using the "best" one.
         """
         # sleep before truly starting this task so we have data to work with
-        await asyncio.sleep(NODE_REFRESH_INTERVAL_SECONDS * 4)
+        await asyncio.sleep(WARMUP_PERIOD)
         while True:
             await asyncio.sleep(PASSIVE_MONITORING_INTERVAL_SECONDS)