diff --git a/include/ircd/db/database/database.h b/include/ircd/db/database/database.h
index 4b598b7bf..1ae4358fa 100644
--- a/include/ircd/db/database/database.h
+++ b/include/ircd/db/database/database.h
@@ -35,18 +35,6 @@ namespace ircd::db
 	const rocksdb::Cache *cache(const database &);
 	rocksdb::Cache *cache(database &);
 
-	// Ticker
-	extern const uint32_t ticker_max;
-	string_view ticker_id(const uint32_t &id);
-	uint32_t ticker_id(const string_view &key);
-	uint64_t ticker(const database &, const uint32_t &id);
-	uint64_t ticker(const database &, const string_view &key);
-
-	// Histogram
-	extern const uint32_t histogram_max;
-	string_view histogram_id(const uint32_t &id);
-	uint32_t histogram_id(const string_view &key);
-
 	// Control panel
 	void setopt(database &, const string_view &key, const string_view &val);
 	void fdeletions(database &, const bool &enable, const bool &force = false);
diff --git a/include/ircd/db/db.h b/include/ircd/db/db.h
index f9f476b0f..db3495709 100644
--- a/include/ircd/db/db.h
+++ b/include/ircd/db/db.h
@@ -76,6 +76,7 @@ enum class ircd::db::pos
 #include "index.h"
 #include "json.h"
 #include "txn.h"
+#include "stats.h"
 
 //
 // Misc utils
@@ -87,14 +88,6 @@ namespace ircd::db
 	std::string path(const std::string &name);
 	std::vector<std::string> available();
 
-	uint perf_level();
-	void perf_level(const uint &);
-	const rocksdb::PerfContext &perf_current();
-	std::string string(const rocksdb::PerfContext &, const bool &all = false);
-
-	const rocksdb::IOStatsContext &iostats_current();
-	std::string string(const rocksdb::IOStatsContext &, const bool &all = false);
-
 	string_view reflect(const pos &);
 }
 
diff --git a/include/ircd/db/stats.h b/include/ircd/db/stats.h
new file mode 100644
index 000000000..da84b8b58
--- /dev/null
+++ b/include/ircd/db/stats.h
@@ -0,0 +1,37 @@
+// 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_STATS_H
+
+namespace ircd::db
+{
+	// Histogram (per database)
+	extern const uint32_t histogram_max;
+	string_view histogram_id(const uint32_t &id);
+	uint32_t histogram_id(const string_view &key);
+
+	// Ticker (per database)
+	extern const uint32_t ticker_max;
+	string_view ticker_id(const uint32_t &id);
+	uint32_t ticker_id(const string_view &key);
+	uint64_t ticker(const database &, const uint32_t &id);
+	uint64_t ticker(const database &, const string_view &key);
+
+	// Perf counts (global)
+	uint perf_level();
+	void perf_level(const uint &);
+	const rocksdb::PerfContext &perf_current();
+	std::string string(const rocksdb::PerfContext &, const bool &all = false);
+
+	// IO counters (global)
+	const rocksdb::IOStatsContext &iostats_current();
+	std::string string(const rocksdb::IOStatsContext &, const bool &all = false);
+}
diff --git a/ircd/db.cc b/ircd/db.cc
index fa9599185..c5d11fa11 100644
--- a/ircd/db.cc
+++ b/ircd/db.cc
@@ -15,6 +15,7 @@
 #include <rocksdb/merge_operator.h>
 #include <rocksdb/perf_level.h>
 #include <rocksdb/perf_context.h>
+#include <rocksdb/iostats_context.h>
 #include <rocksdb/listener.h>
 #include <rocksdb/statistics.h>
 #include <rocksdb/convenience.h>
@@ -1301,7 +1302,7 @@ catch(const std::exception &e)
 
 ///////////////////////////////////////////////////////////////////////////////
 //
-// database::stats
+// db/stats.h
 //
 
 std::string
@@ -1432,6 +1433,11 @@ ircd::db::histogram_max
 	rocksdb::HISTOGRAM_ENUM_MAX
 };
 
+///////////////////////////////////////////////////////////////////////////////
+//
+// database::stats (db/database/stats.h) internal
+//
+
 uint64_t
 ircd::db::database::stats::getAndResetTickerCount(const uint32_t type)
 noexcept