2026-03-12 20:23:15

2026-03-12 21:23:47 +01:00
parent eab4b36eca
commit 93039b8489
3332 changed files with 699614 additions and 0 deletions
--- a/vdh/parallel_slaves_used_for_statement.sql
+++ b/vdh/parallel_slaves_used_for_statement.sql
@@ -0,0 +1,70 @@
+--WIP
+
+select 
+  to_char(hsnp.begin_interval_time, 'DD/MM/YYYY HH24:MI') begin_interval_time_str,
+  to_char(hsnp.end_interval_time, 'DD/MM/YYYY HH24:MI') end_interval_time_str,
+  hsnp.instance_number,
+  hsnp.snap_id,
+  hsql.version_count,
+  hsql.plan_hash_value,
+  hsql.executions_total,
+  hsql.executions_delta,
+  hsql.parse_calls_total,
+  hsql.parse_calls_delta,
+  hsql.px_servers_execs_total,
+  hsql.px_servers_execs_delta
+from
+  dba_hist_sqlstat            hsql
+    join dba_hist_snapshot    hsnp
+      on ( hsql.snap_id = hsnp.snap_id 
+           and hsql.instance_number = hsnp.instance_number
+         )
+where
+  sql_id = '3vk9k0uczhm9q'
+  and hsnp.begin_interval_time >= sysdate - 1
+order by
+  hsnp.begin_interval_time,
+  hsnp.instance_number,
+  hsql.plan_hash_value
+;
+
+
+select 
+  to_char(begin_interval_time, 'DD/MM/YYYY HH24:MI') begin_interval_time_str,
+  to_char(end_interval_time, 'DD/MM/YYYY HH24:MI') end_interval_time_str,
+  instance_number,
+  snap_id,
+--  sum_px_server_exec_total,
+  sum_px_server_exec_delta,
+  total_elapsed_time,
+  parallel_statements_cnt
+from
+  ( select
+      hsnp.begin_interval_time,
+      hsnp.end_interval_time,
+      hsnp.instance_number,
+      hsnp.snap_id,
+--      sum(hsql.px_servers_execs_total) sum_px_server_exec_total,
+      sum(hsql.px_servers_execs_delta) sum_px_server_exec_delta,
+      sum(hsql.elapsed_time_delta) total_elapsed_time,
+      count(*) parallel_statements_cnt
+    from
+      dba_hist_sqlstat            hsql
+        join dba_hist_snapshot    hsnp
+          on ( hsql.snap_id = hsnp.snap_id 
+               and hsql.instance_number = hsnp.instance_number
+             )
+    where
+      hsql.px_servers_execs_delta > 0
+      and hsnp.begin_interval_time >= sysdate - 1
+    group by
+      hsnp.begin_interval_time,
+      hsnp.end_interval_time,
+      hsnp.instance_number,
+      hsnp.snap_id
+  )
+order by
+  trunc(begin_interval_time, 'MI'),
+  instance_number
+;
+