diff --git a/src/cpp/ripple/RPCHandler.cpp b/src/cpp/ripple/RPCHandler.cpp
index 39c27d5c18..2684895533 100644
--- a/src/cpp/ripple/RPCHandler.cpp
+++ b/src/cpp/ripple/RPCHandler.cpp
@@ -2345,6 +2345,8 @@ Json::Value RPCHandler::doGetCounts(Json::Value jvRequest, int& cost, ScopedLock
 	ret["ledger_hit_rate"] = theApp->getLedgerMaster().getCacheHitRate();
 	ret["AL_hit_rate"] = AcceptedLedger::getCacheHitRate();
 
+	ret["fullbelow_size"] = SHAMap::getFullBelowSize();
+
 	std::string uptime;
 	int s = UptimeTimer::getInstance().getElapsedSeconds();
 	textTime(uptime, s, "year", 365*24*60*60);
diff --git a/src/cpp/ripple/ripple_SHAMap.h b/src/cpp/ripple/ripple_SHAMap.h
index 5937ce612d..2d01248eac 100644
--- a/src/cpp/ripple/ripple_SHAMap.h
+++ b/src/cpp/ripple/ripple_SHAMap.h
@@ -125,7 +125,8 @@ public:
 	
     std::list<fetchPackEntry_t> getFetchPack(SHAMap* have, bool includeLeaves, int max);
 
-	static void sweep()			{ fullBelowCache.sweep(); }
+    static int getFullBelowSize()	{ return fullBelowCache.getSize(); }
+	static void sweep()				{ fullBelowCache.sweep(); }
 
 private:
 	static KeyCache <uint256, UptimeTimerAdapter> fullBelowCache;
diff --git a/src/cpp/ripple/ripple_SHAMapSync.cpp b/src/cpp/ripple/ripple_SHAMapSync.cpp
index bc81cd64ea..0832723400 100644
--- a/src/cpp/ripple/ripple_SHAMapSync.cpp
+++ b/src/cpp/ripple/ripple_SHAMapSync.cpp
@@ -3,7 +3,7 @@
 
 static const uint256 uZero;
 
-KeyCache <uint256, UptimeTimerAdapter> SHAMap::fullBelowCache("fullBelowCache", 65536, 240);
+KeyCache <uint256, UptimeTimerAdapter> SHAMap::fullBelowCache("fullBelowCache", 524288, 240);
 
 void SHAMap::getMissingNodes(std::vector<SHAMapNode>& nodeIDs, std::vector<uint256>& hashes, int max,
 	SHAMapSyncFilter* filter)