Stripe size? -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Juan Carlos Reyes Pacheco Sent: Monday, July 19, 2004 12:34 PM To: oracle-l@xxxxxxxxxxxxx Subject: Why I get different 'db file scattered read' values? Hi list, I runt the following script to get the DB_FILE_MULTIBLOCK_READ_COUNT value =20 SQL> ALTER SESSION SET DB_FILE_MULTIBLOCK_READ_COUNT =3D100; SQL> SET AUTOTRACE TRACEONLY SQL> ALTER SESSION SET TRACEFILE_IDENTIFIER=3D'TEST_BLOCK_SIZE'; SQL> ALTER SESSION SET EVENTS '10046 TRACE NAME CONTEXT FOREVER, LEVEL SQL> SELECT /*+ FULL(A) */ * FROM ADM.TRANSAC_ME A; 371196 filas seleccionadas. Execution Plan ---------------------------------------------------------- 0 SELECT STATEMENT Optimizer=3DCHOOSE (Cost=3D206 Card=3D308952 Byte s=3D46342800) =20 1 0 TABLE ACCESS (FULL) OF 'TRANSAC_ME' (Cost=3D206 Card=3D308952 Bytes=3D46342800) Statistics ---------------------------------------------------------- 1118 recursive calls 0 db block gets 33023 consistent gets 8490 physical reads 60 redo size 31569813 bytes sent via SQL*Net to client 272709 bytes received via SQL*Net from client 24748 SQL*Net roundtrips to/from client 6 sorts (memory) 0 sorts (disk) =20 But I get the different values in p3 WAIT #1: nam=3D'db file scattered read' ela=3D 32568 p1=3D3 p2=3D51689 = p3=3D8 WAIT #1: nam=3D'db file scattered read' ela=3D 15915 p1=3D3 p2=3D51778 = p3=3D7 WAIT #1: nam=3D'db file scattered read' ela=3D 16483 p1=3D3 p2=3D51785 = p3=3D8 WAIT #1: nam=3D'db file scattered read' ela=3D 29985 p1=3D3 p2=3D51937 = p3=3D8 WAIT #1: nam=3D'db file scattered read' ela=3D 150 p1=3D3 p2=3D52050 = p3=3D7 =20 Any idea?, my ntfs disk is compressed. =20 Juan Carlos Reyes Pacheco OCP ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html ----------------------------------------------------------------- ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------