diff --git a/include/ircd/db/database/env/env.h b/include/ircd/db/database/env/env.h
index 385d3199f..bcbf49f1b 100644
--- a/include/ircd/db/database/env/env.h
+++ b/include/ircd/db/database/env/env.h
@@ -26,6 +26,7 @@ struct ircd::db::database::env final
 	struct random_rw_file;
 	struct directory;
 	struct file_lock;
+	struct state;
 
 	using Status = rocksdb::Status;
 	using EnvOptions = rocksdb::EnvOptions;
@@ -45,6 +46,8 @@ struct ircd::db::database::env final
 		*rocksdb::Env::Default()
 	};
 
+	std::unique_ptr<struct state> st;
+
 	Status NewSequentialFile(const std::string& f, std::unique_ptr<SequentialFile>* r, const EnvOptions& options) noexcept override;
 	Status NewRandomAccessFile(const std::string& f, std::unique_ptr<RandomAccessFile>* r, const EnvOptions& options) noexcept override;
 	Status NewWritableFile(const std::string& f, std::unique_ptr<WritableFile>* r, const EnvOptions& options) noexcept override;
diff --git a/include/ircd/db/database/env/state.h b/include/ircd/db/database/env/state.h
new file mode 100644
index 000000000..51071f93b
--- /dev/null
+++ b/include/ircd/db/database/env/state.h
@@ -0,0 +1,20 @@
+// Matrix Construct
+//
+// Copyright (C) Matrix Construct Developers, Authors & Contributors
+// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice is present in all copies. The
+// full license for this software is available in the LICENSE file.
+
+#pragma once
+#define HAVE_IRCD_DB_DATABASE_ENV_STATE_H
+
+struct ircd::db::database::env::state
+{
+	database &d;
+
+	state(database *const &d);
+	~state() noexcept;
+};
diff --git a/ircd/db.cc b/ircd/db.cc
index 708d1513b..00a32e90b 100644
--- a/ircd/db.cc
+++ b/ircd/db.cc
@@ -44,6 +44,8 @@
 #include <ircd/db/database/env/random_rw_file.h>
 #include <ircd/db/database/env/directory.h>
 #include <ircd/db/database/env/file_lock.h>
+#include <ircd/db/database/env/state.h>
+
 
 // RocksDB port linktime-overriding interfaces (experimental).
 #ifdef IRCD_DB_PORT
@@ -1742,7 +1744,8 @@ noexcept
 //
 
 ircd::db::database::env::env(database *const &d)
-:d{*d}
+:d{*d},
+st{std::make_unique<state>(d)}
 {
 }
 
@@ -3242,6 +3245,21 @@ rocksdb::port::CondVar::SignalAll()
 
 #endif // IRCD_DB_PORT
 
+///////////////////////////////////////////////////////////////////////////////
+//
+// db/database/env/state.h
+//
+
+ircd::db::database::env::state::state(database *const &d)
+:d{*d}
+{
+}
+
+ircd::db::database::env::state::~state()
+noexcept
+{
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 // db/txn.h