2026-03-12 20:23:15

vdh/io_calibration.sql

@@ -0,0 +1,34 @@
+set serveroutput on
+set timing on
+
+DECLARE
+
+  l_actual_latency    integer;
+  l_max_iops          integer;
+  l_max_mbps          integer;
+
+BEGIN
+
+  dbms_resource_manager.calibrate_io 
+    ( num_physical_disks  =>  30, 
+      max_latency         =>  15, 
+      max_iops            =>  l_max_iops, 
+      max_mbps            =>  l_max_mbps, 
+      actual_latency      =>  l_actual_latency
+    );
+ 
+  dbms_output.put_line ('max_iops = ' || l_max_iops);
+  dbms_output.put_line ('actual_latency  = ' || l_actual_latency);
+  dbms_output.put_line('max_mbps = ' || l_max_mbps);
+
+END;
+/
+
+
+select * from gv$io_calibration_status;
+
+set linesize 150
+column start_time format a30
+column end_time format a30
+column num_physical_disks format 9999 heading NPD
+select * from dba_rsrc_io_calibrate;