➕ delete benchmark results

Author: nop77svk

_perf tests/[2023-11-27] delete by PK vs partition drop [19c]/01.2 run the test.sql

@@ -7,7 +7,7 @@ truncate table t_session_events drop storage;
 ----------------------------------------------------------------------------------------------------
 
 declare
-    c_run_id_list                   constant sys.ora_mining_number_nt := sys.ora_mining_number_nt(/*10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33,*/ 40, 41, 42, 43, 44, 45, 46, 47, 48, 49);
+    c_run_id_list                   constant sys.ora_mining_number_nt := sys.ora_mining_number_nt(10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 40, 41, 42, 43, 44);
     l_run_ix                        pls_integer;
 
     c_show_xplan                    constant boolean := false;
@@ -109,11 +109,11 @@ declare
             ) loop
                 if cv.partition_position = 1 then
                     execute immediate 'alter table t_index_test truncate partition "'||sys.dbms_assert.simple_sql_name(cv.partition_name)||'" drop storage update indexes';
+                    dbms_output.put_line('run '||c_run_id||': partition '||cv.partition_name||' truncated');
                 else
                     execute immediate 'alter table t_index_test drop partition "'||sys.dbms_assert.simple_sql_name(cv.partition_name)||'" update indexes';
+                    dbms_output.put_line('run '||c_run_id||': partition '||cv.partition_name||' dropped');
                 end if;
-
-                dbms_output.put_line('run '||c_run_id||': partition '||cv.partition_name||' dropped');
             end loop;
 
             -- delete the rest

_perf tests/[2023-11-27] delete by PK vs partition drop [19c]/02.1 results query.sql

@@ -0,0 +1,52 @@
+select *
+from t_session_events
+where waits#diff != 0
+    or timeouts#diff != 0
+    or time_waited_us_diff != 0
+;
+
+--delete from t_session_stats where run_id >= 40;
+
+with xyz as (
+    select trunc(run_id / 10) as run_class,
+        stat_class_id, stat_name,
+        median(stat_value_diff) as stat_value_diff$median,
+        stddev(stat_value_diff) as stat_value_diff$stddev,
+        round(100 * stddev(stat_value_diff) / nullif(median(stat_value_diff), 0)) as stat_value_diff$stddev_pct,
+        count(1) as runs#
+    from t_session_stats SS
+    where stat_value_diff != 0
+    group by trunc(run_id / 10),
+        stat_class_id, stat_name
+),
+xyz2 as (
+    select run_class, stat_class_id,
+        case
+            when stat_name like '% time' then stat_name||' [s]'
+            when stat_name like '% size' or stat_name like '% bytes' then stat_name||' [MB]'
+            when stat_name like '% bytes from cache' then stat_name||' [MB]'
+            else stat_name
+        end as stat_name,
+        case
+            when stat_name like '% time' then round(stat_value_diff$median / 1000000, 3)
+            when stat_name like '% size' or stat_name like '% bytes' then round(stat_value_diff$median / 1048576, 3)
+            when stat_name like '% bytes from cache' then round(stat_value_diff$median / 1048576, 3)
+            else stat_value_diff$median
+        end as stat_value
+    from xyz
+    where runs# >= 4
+        and ( stat_value_diff$median != 0 or stat_value_diff$stddev != 0 )
+)
+select *
+from xyz2
+    pivot (
+        any_value(stat_value) as stat
+        for run_class in (
+            1 as "RUN_1",
+            2 as "RUN_2",
+            3 as "RUN_3",
+            4 as "RUN_4"
+        )
+    )
+order by 1, 2
+;