diff --git a/tests/unit_tests/lmdb_tests.cpp b/tests/unit_tests/lmdb_tests.cpp
new file mode 100644
index 00000000..5d89ea4a
--- /dev/null
+++ b/tests/unit_tests/lmdb_tests.cpp
@@ -0,0 +1,89 @@
+// Copyright (c) 2019 Zano Project
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#include <memory>
+#include "crypto/crypto.h"
+#include "gtest/gtest.h"
+#include "common/db_backend_lmdb.h"
+#include "common/db_abstract_accessor.h"
+
+using namespace tools;
+
+namespace lmdb_test
+{
+
+  TEST(lmdb, 2gb_test)
+  {
+    bool r = false;
+    epee::shared_recursive_mutex rw_lock;
+
+    static const uint64_t buffer_size = 64 * 1024;                                         // 64 KB
+    static const uint64_t db_total_size = static_cast<uint64_t>(2.1 * 1024 * 1024 * 1024); // 2.1 GB
+
+    std::shared_ptr<db::lmdb_db_backend> lmdb_ptr = std::make_shared<db::lmdb_db_backend>();
+    db::basic_db_accessor bdba(lmdb_ptr, rw_lock);
+
+
+    r = bdba.open("2gb_lmdb_test", CACHE_SIZE);
+    ASSERT_TRUE(r);
+
+    db::container_handle h;
+    r = lmdb_ptr->open_container("c1", h);
+    ASSERT_TRUE(r);
+
+    ASSERT_TRUE(lmdb_ptr->begin_transaction());
+    ASSERT_TRUE(lmdb_ptr->clear(h));
+
+    std::vector<uint8_t> buffer;
+    buffer.resize(buffer_size);
+    crypto::generate_random_bytes(buffer_size, buffer.data());
+
+    uint64_t total_data = 0;
+    for (uint64_t key = 0; key < db_total_size / buffer_size; ++key)
+    {
+      r = lmdb_ptr->set(h, (char*)&key, sizeof key, reinterpret_cast<const char*>(buffer.data()), buffer_size);
+      ASSERT_TRUE(r);
+      total_data += buffer_size;
+
+      if (key % 1024 == 0)
+        std::cout << total_data / 1024 / 1024 << " MB written to DB" << ENDL;
+    }
+
+    ASSERT_TRUE(lmdb_ptr->commit_transaction());
+
+    r = bdba.close();
+    ASSERT_TRUE(r);
+
+
+
+
+    r = bdba.open("2gb_lmdb_test");
+    ASSERT_TRUE(r);
+    r = lmdb_ptr->open_container("c1", h);
+    ASSERT_TRUE(r);
+
+    ASSERT_TRUE(lmdb_ptr->begin_transaction());
+
+    std::string out_buffer;
+    total_data = 0;
+    for (uint64_t key = 0; key < db_total_size / buffer_size; ++key)
+    {
+      r = lmdb_ptr->get(h, (char*)&key, sizeof key, out_buffer);
+      ASSERT_TRUE(r);
+      ASSERT_EQ(buffer_size, out_buffer.size());
+
+      ASSERT_TRUE(0 == memcmp(buffer.data(), out_buffer.c_str(), buffer_size));
+
+      total_data += buffer_size;
+      if (key % 1024 == 0)
+        std::cout << total_data / 1024 / 1024 << " MB read from DB" << ENDL;
+    }
+
+    ASSERT_TRUE(lmdb_ptr->commit_transaction());
+
+    r = bdba.close();
+    ASSERT_TRUE(r);
+
+  }
+
+}