diff --git a/sql/2017-02-05-benchmarks.sql b/sql/2017-02-05-benchmarks.sql
new file mode 100644
index 0000000..4a4e8b0
--- /dev/null
+++ b/sql/2017-02-05-benchmarks.sql
@@ -0,0 +1,10 @@
+-- Recent additions to add after db init (.gz)
+-- mysql yaamp -p < file.sql
+
+-- don't forget to restart memcached service to refresh the db structure
+
+ALTER TABLE `benchmarks` ADD `realfreq` INT(8) UNSIGNED NULL AFTER `freq`;
+ALTER TABLE `benchmarks` ADD `realmemf` INT(8) UNSIGNED NULL AFTER `memf`;
+ALTER TABLE `benchmarks` ADD `plimit` INT(5) UNSIGNED NULL AFTER `power`;
+ALTER TABLE `benchmarks` DROP COLUMN `mem`;
+
diff --git a/stratum/db.cpp b/stratum/db.cpp
index 80e3e45..61377ab 100644
--- a/stratum/db.cpp
+++ b/stratum/db.cpp
@@ -505,7 +505,7 @@ void db_store_stats(YAAMP_DB *db, YAAMP_CLIENT *client, json_value *stats)
 	char sdev[80], stype[8], svid[12], sarch[8];
 	char salgo[32], sclient[48], sdriver[32], sos[8];
 	double khashes, intensity, throughput;
-	int power, mem, freq, memf;
+	int power, freq, memf, realfreq, realmemf, plimit;
 
 	if (!db) return;
 
@@ -524,17 +524,22 @@ void db_store_stats(YAAMP_DB *db, YAAMP_CLIENT *client, json_value *stats)
 	json_str_safe(stats, "driver", sdriver); // or cpu compiler
 
 	power = json_int_safe(stats, "power");
-	mem   = json_int_safe(stats, "mem");
 	freq  = json_int_safe(stats, "freq");
 	memf  = json_int_safe(stats, "memf");
+	realfreq = json_int_safe(stats, "curr_freq");
+	realmemf = json_int_safe(stats, "curr_memf");
+	plimit = json_int_safe(stats, "plimit");
 	intensity  = json_double_safe(stats, "intensity");
 	throughput = json_double_safe(stats, "throughput");
 	khashes    = json_double_safe(stats, "khashes");
 
 	db_query(db, "INSERT INTO benchmarks("
 		"time, algo, type, device, arch, vendorid, os, driver,"
-		"client, khps, freq, memf, power, mem, intensity, throughput, userid"
-		") VALUES (%d,'%s','%s','%s','%s','%s','%s','%s', '%s',%f,%d,%d,%d,%d,%.2f,%.0f,%d)",
+		"client, khps, freq, memf, realfreq, realmemf, power, plimit, "
+		"intensity, throughput, userid )"
+		"VALUES (%d,'%s','%s','%s','%s','%s','%s','%s',"
+		"'%s',%f,%d,%d,%d,%d,%d,%d, %.2f,%.0f,%d)",
 		t, g_current_algo->name, stype, sdev, sarch, svid, sos, sdriver,
-		sclient, khashes, freq, memf, power, mem, intensity, throughput, client->userid);
+		sclient, khashes, freq, memf, realfreq, realmemf, power, plimit,
+		intensity, throughput, client->userid);
 }