reduced profile persist interval

libi2pd/Profiling.cpp

@@ -310,7 +310,7 @@ namespace data
 			{
 				if (it->second->IsUpdated () && ts > it->second->GetLastPersistTime () + PEER_PROFILE_PERSIST_INTERVAL)
 				{
-					tmp.push_back (std::make_pair (it->first, it->second));
+					tmp.push_back (*it);
 					it->second->SetLastPersistTime (ts);
 					it->second->SetUpdated (false);
 				}	

libi2pd/Profiling.h

@@ -41,7 +41,7 @@ namespace data
 	const int PEER_PROFILE_OBSOLETE_PROFILES_CLEAN_VARIANCE = 2400; // in seconds (40 minutes)
 	const int PEER_PROFILE_DECLINED_RECENTLY_INTERVAL = 330; // in seconds (5.5 minutes)
 	const int PEER_PROFILE_MAX_DECLINED_INTERVAL = 4400; // in second (1.5 hours)
-	const int PEER_PROFILE_PERSIST_INTERVAL = 3300; // in seconds (55 minutes)
+	const int PEER_PROFILE_PERSIST_INTERVAL = 1320; // in seconds (22 minutes)
 	const int PEER_PROFILE_UNREACHABLE_INTERVAL = 480; // in seconds (8 minutes)
 	const int PEER_PROFILE_USEFUL_THRESHOLD = 3;
 	const int PEER_PROFILE_ALWAYS_DECLINING_NUM = 5; // num declines in row to consider always declined