Router: Revise lookup throttle times

i2p.i2p.2.4.0-reverse-throttler

router/java/src/net/i2p/router/networkdb/kademlia/FloodfillDatabaseLookupMessageHandler.java

@@ -83,8 +83,7 @@ public class FloodfillDatabaseLookupMessageHandler implements HandlerJobBuilder
             _context.statManager().addRateData("netDb.nonFFLookupsDropped", 1);
             return null;
         }
-        if ((!_facade.shouldThrottleLookup(dlm.getFrom(), dlm.getReplyTunnel())
-                && !_facade.shouldThrottleBurstLookup(dlm.getFrom(), dlm.getReplyTunnel()))
+        if (!_facade.shouldThrottleLookup(dlm.getFrom(), dlm.getReplyTunnel())
                 || _context.routerHash().equals(dlm.getFrom())) {
             Job j = new HandleFloodfillDatabaseLookupMessageJob(_context, dlm, from, fromHash, _msgIDBloomXor);
             // if (false) {

router/java/src/net/i2p/router/networkdb/kademlia/FloodfillNetworkDatabaseFacade.java

@@ -41,10 +41,7 @@ public class FloodfillNetworkDatabaseFacade extends KademliaNetworkDatabaseFacad
     private final Set<Hash> _verifiesInProgress;
     private FloodThrottler _floodThrottler;
     private LookupThrottler _lookupThrottler;
-    private LookupThrottler _lookupThrottlerBurst;
     private final Job _ffMonitor;
-    private final int DROP_LOOKUP_BURST = 10;
-    private final int DROP_LOOKUP_BURST_INTERVAL = 30*1000;
 
     /**
      *  This is the flood redundancy. Entries are
@@ -112,7 +109,6 @@ public class FloodfillNetworkDatabaseFacade extends KademliaNetworkDatabaseFacad
         } else {
             isFF = _context.getBooleanProperty(FloodfillMonitorJob.PROP_FLOODFILL_PARTICIPANT);
             _lookupThrottler = new LookupThrottler();
-            _lookupThrottlerBurst = new LookupThrottler(DROP_LOOKUP_BURST, DROP_LOOKUP_BURST_INTERVAL);
         }
 
         long down = _context.router().getEstimatedDowntime();
@@ -240,11 +236,6 @@ public class FloodfillNetworkDatabaseFacade extends KademliaNetworkDatabaseFacad
         return _lookupThrottler == null || _lookupThrottler.shouldThrottle(from, id);
     }
 
-    boolean shouldThrottleBurstLookup(Hash from, TunnelId id) {
-        // null before startup
-        return _lookupThrottlerBurst == null || _lookupThrottlerBurst.shouldThrottle(from, id);
-    }
-
     /**
      *  If we are floodfill AND the key is not throttled,
      *  flood it, otherwise don't.

router/java/src/net/i2p/router/networkdb/kademlia/LookupThrottler.java

@@ -23,8 +23,8 @@ class LookupThrottler {
     private final int MAX_LOOKUPS; // DEFAULT=20
     private final long CLEAN_TIME; // DEFAULT=3*60*1000
     LookupThrottler() {
-        MAX_LOOKUPS = 20;
-        CLEAN_TIME = 3*60*1000;
+        MAX_LOOKUPS = 14;
+        CLEAN_TIME = 2*60*1000;
         this.counter = new ObjectCounter<ReplyTunnel>();
         SimpleTimer2.getInstance().addPeriodicEvent(new Cleaner(), CLEAN_TIME);
     }