Enlarge the immutable SLE cache.

src/cpp/ripple/Config.cpp

@@ -510,14 +510,23 @@ void Config::load()
 int Config::getSize(SizedItemName item)
 {
 	SizedItem sizeTable[] = { //    tiny    small   medium  large       huge
+
 		{ siSweepInterval,		{	10,		30,		60,		90,			120		} },
+
 		{ siLedgerFetch,		{	2,		2,		3,		3,			3		} },
+
 		{ siValidationsSize,	{	256,	256,	512,	1024,		1024	} },
 		{ siValidationsAge,		{	500,	500,	500,	500,		500		} },
+
 		{ siNodeCacheSize,		{	8192,	65536,	262144,	2097152,	0		} },
 		{ siNodeCacheAge,		{	30,		60,		90,		300,		900		} },
+
+		{ siSLECacheSize,		{	4096,	8192,	16384,	65536,		0		} },
+		{ siSLECacheAge,		{	30,		60,		90,		120,		300		} },
+
 		{ siLedgerSize,			{	32,		128,	256,	2048,		0		} },
 		{ siLedgerAge,			{	30,		90,		180,	300,		900		} },
+
 		{ siHashNodeDBCache,	{	4,		12,		24,		32,			64		} },
 		{ siTxnDBCache,			{	4,		12,		24,		32,			32		} },
 		{ siLgrDBCache,			{	4,		8,		16,		16,			16		} },

src/cpp/ripple/Config.h

@@ -56,6 +56,8 @@ enum SizedItemName
 	siValidationsAge,
 	siNodeCacheSize,
 	siNodeCacheAge,
+	siSLECacheSize,
+	siSLECacheAge,
 	siLedgerSize,
 	siLedgerAge,
 	siLedgerFetch,