2026-03-12 20:23:15

tpt/px.sql

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+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+--------------------------------------------------------------------------------
+--
+-- File name:   px.sql
+-- Purpose:     Report Pararallel Execution SQL globally in a RAC instance
+--              
+-- Author:      Tanel Poder
+-- Copyright:   (c) http://blog.tanelpoder.com
+--              
+-- Usage:       @px.sql
+--              
+--------------------------------------------------------------------------------
+
+SET LINES 999 PAGES 50000 TRIMSPOOL ON TRIMOUT ON TAB OFF 
+
+COL px_qcsid HEAD QC_SID FOR A13
+COL px_instances FOR A100
+COL px_username HEAD USERNAME FOR A25 WRAP
+
+PROMPT Show current Parallel Execution sessions in RAC cluster...
+
+SELECT 
+    pxs.qcsid||','||pxs.qcserial# px_qcsid
+  , pxs.qcinst_id
+  , ses.username px_username
+  , ses.sql_id
+  , pxs.degree
+  , pxs.req_degree
+  , COUNT(*) slaves
+  , COUNT(DISTINCT pxs.inst_id) inst_cnt
+  , MIN(pxs.inst_id) min_inst
+  , MAX(pxs.inst_id) max_inst 
+  --, LISTAGG ( TO_CHAR(pxs.inst_id) , ' ' ) WITHIN GROUP (ORDER BY pxs.inst_id) px_instances
+FROM 
+    gv$px_session pxs
+  , gv$session    ses
+  , gv$px_process p
+WHERE
+    ses.sid     = pxs.sid
+AND ses.serial# = pxs.serial#
+AND p.sid       = pxs.sid
+AND pxs.inst_id = ses.inst_id
+AND ses.inst_id = p.inst_id
+--
+AND pxs.req_degree IS NOT NULL -- qc
+GROUP BY
+    pxs.qcsid||','||pxs.qcserial#
+  , pxs.qcinst_id
+  , ses.username
+  , ses.sql_id
+  , pxs.degree
+  , pxs.req_degree
+ORDER BY
+    pxs.qcinst_id
+  , slaves DESC
+/
+