diff --git a/libi2pd/Config.cpp b/libi2pd/Config.cpp
index d9cc6dec..11e0966b 100644
--- a/libi2pd/Config.cpp
+++ b/libi2pd/Config.cpp
@@ -231,6 +231,11 @@ namespace config {
 			("exploratory.outbound.quantity", value<int>()->default_value(3), "Exploratory outbound tunnels quantity")
 		;
 
+		options_description storage("Persistent storage options for NetDb, profiles, etc.");
+		storage.add_options()
+				("storage.engine", value<std::string>()->default_value("fs"), "Storage engine")
+		;
+
 		m_OptionsDesc
 			.add(general)
 			.add(limits)
@@ -248,6 +253,7 @@ namespace config {
 			.add(trust)
 			.add(websocket)
 			.add(exploratory)
+			.add(storage)
 		;
 	}
 
diff --git a/libi2pd/NetDb.cpp b/libi2pd/NetDb.cpp
index 0cd74bd4..b966ebcf 100644
--- a/libi2pd/NetDb.cpp
+++ b/libi2pd/NetDb.cpp
@@ -37,7 +37,13 @@ namespace data
 
 	void NetDb::Start ()
 	{
-		m_Storage.reset(new FsIdentStorage("netDb", "r", "routerInfo-", "dat"));
+		std::string engine;
+		i2p::config::GetOption("storage.engine", engine);
+		if (engine == "lmdb")
+			m_Storage.reset(new MdbIdentStorage("netDb.lmdb"));
+		else
+			m_Storage.reset(new FsIdentStorage("netDb", "r", "routerInfo-", "dat"));
+
 		m_Storage->Init();
 		InitProfilesStorage ();
 		m_Families.LoadCertificates ();
diff --git a/libi2pd/Profiling.cpp b/libi2pd/Profiling.cpp
index aab3a6c6..2f7cb546 100644
--- a/libi2pd/Profiling.cpp
+++ b/libi2pd/Profiling.cpp
@@ -2,6 +2,7 @@
 #include <boost/property_tree/ptree.hpp>
 #include <boost/property_tree/ini_parser.hpp>
 #include "Base.h"
+#include "Config.h"
 #include "FS.h"
 #include "Log.h"
 #include "Profiling.h"
@@ -173,7 +174,12 @@ namespace data
 
 	void InitProfilesStorage ()
 	{
-		m_ProfilesStorage.reset(new FsIdentStorage("peerProfiles", "p", "profile-", "txt"));
+		std::string engine;
+		i2p::config::GetOption("storage.engine", engine);
+		if (engine == "lmdb")
+			m_ProfilesStorage.reset(new MdbIdentStorage("peerProfiles.lmdb"));
+		else
+			m_ProfilesStorage.reset(new FsIdentStorage("peerProfiles", "p", "profile-", "txt"));
 		m_ProfilesStorage->Init();
 
 	}