<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="reference" /> <meta name="DC.Title" content="Performance data files: QAPMPOOLT" /> <meta name="abstract" content="This database file includes main storage pool file entries and lists the tuning information for the storage pools." /> <meta name="description" content="This database file includes main storage pool file entries and lists the tuning information for the storage pools." /> <meta name="DC.Relation" scheme="URI" content="rzahxapsparent.htm" /> <meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1998, 2006" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rzahxqapmpoolt" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>Performance data files: QAPMPOOLT</title> </head> <body id="rzahxqapmpoolt"><a name="rzahxqapmpoolt"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">Performance data files: QAPMPOOLT</h1> <div><p>This database file includes main storage pool file entries and lists the tuning information for the storage pools.</p> <div class="section"><p> </p> <div class="tablenoborder"><!-- Link to dynamic table --> <SCRIPT language="Javascript" type="text/javascript" src="../rzahg/iccommon.js"></SCRIPT> <SCRIPT language="Javascript" type="text/javascript"> //<![CDATA[ //Do not split up the following string. Keep it on one line. var textA = "<p>To easily compare and sort the data in this table, use the <a href='rzahxqapmpoolt.xml'>interactive table<\/a>.<\/p>"; if (isIE5) { document.writeln(textA); } //]]> </SCRIPT> <!-- End of link to dynamic table --><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th valign="top" width="25%" id="d0e25">Field Name</th> <th valign="top" width="50%" id="d0e27">Description</th> <th valign="top" width="25%" id="d0e29">Attribute</th> </tr> </thead> <tbody><tr><td valign="top" width="25%" headers="d0e25 ">INTNUM</td> <td valign="top" width="50%" headers="d0e27 ">Interval number: The nth sample database interval based on the start time specified in the <span class="cmdname">Create Performance Data (CRTPFRDTA)</span> command.</td> <td valign="top" width="25%" headers="d0e29 ">PD (5,0)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">DTETIM</td> <td valign="top" width="50%" headers="d0e27 ">Interval date (yymmdd) and time (hhmmss): The date and time of the sample interval.</td> <td valign="top" width="25%" headers="d0e29 ">C (12)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">INTSEC</td> <td valign="top" width="50%" headers="d0e27 ">Elapsed interval seconds: The number of seconds since the last sample interval.</td> <td valign="top" width="25%" headers="d0e29 ">PD (7,0)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">DTECEN</td> <td valign="top" width="50%" headers="d0e27 ">Century digit.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PONBR</td> <td valign="top" width="50%" headers="d0e27 ">Pool number: Specifies the unique identifier of this pool. The value is from 1 to 64.</td> <td valign="top" width="25%" headers="d0e29 ">C (3)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTTYPE</td> <td valign="top" width="50%" headers="d0e27 ">Type of tuning: The method used by the system to tune the storage pool: <ul><li>0 -- No tuning</li> <li>1 -- Static tuning</li> <li>2 -- Dynamic tuning of transfers into main storage</li> <li>3 -- Dynamic tuning of transfers into main storage and to auxiliary storage.</li> </ul> </td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTPAGE</td> <td valign="top" width="50%" headers="d0e27 ">Change page handling. The method used by the system to determine when to write changed pages to auxiliary storage: <ul><li>0 -- Use the system default</li> <li>1 -- Periodically transfer changed pages to auxiliary storage.</li> </ul> </td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTNDBF</td> <td valign="top" width="50%" headers="d0e27 ">Non-database blocking factor. The amount of data (in KB) that should be brought into main storage when a request is made to read non-database objects from auxiliary storage.</td> <td valign="top" width="25%" headers="d0e29 ">PD (3,0)</td> </tr> <tr id="rzahxqapmpoolt__ptdbf1"><td valign="top" width="25%" headers="d0e25 ">PTDBF1</td> <td valign="top" width="50%" headers="d0e27 ">Database blocking factor (class 1.) The amount of data (in KB) that should be brought into main storage when a request is made to read database objects from auxiliary storage.</td> <td valign="top" width="25%" headers="d0e29 ">PD (3,0)</td> </tr> <tr id="rzahxqapmpoolt__ptdex1"><td valign="top" width="25%" headers="d0e25 ">PTDEX1</td> <td valign="top" width="50%" headers="d0e27 ">Database exchange operation type (class 1.) The exchange operation used to reduce the working set size. <ul><li>0 -- Use the system default</li> <li>1 -- Allow exchange operations</li> <li>2 -- Disable exchange operations</li> <li>3 -- Disable exchange operations.</li> </ul> <p>The data that already exists in main storage should be a good candidate to be replaced when additional storage is needed in the storage pool.</p> </td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr id="rzahxqapmpoolt__ptdts1"><td valign="top" width="25%" headers="d0e25 ">PTDTS1</td> <td valign="top" width="50%" headers="d0e27 ">Database type of transfer to auxiliary storage (class 1.) The method the system uses to process a request to write an object to auxiliary storage. <ul><li>0 -- Use the system default</li> <li>1 -- Purge object from main storage</li> <li>2 -- Write object to auxiliary storage</li> <li>3 -- Indicate object is a good candidate for replacement</li> <li>4 -- Use the system page replacement algorithm.</li> </ul> </td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDBF2</td> <td valign="top" width="50%" headers="d0e27 ">Database blocking factor (class 2.) See <a href="#rzahxqapmpoolt__ptdbf1">PTDBF1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">PD (3,0)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDEX2</td> <td valign="top" width="50%" headers="d0e27 ">Database allow exchange operations (class 2.) See <a href="#rzahxqapmpoolt__ptdex1">PTDEX1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDTS2</td> <td valign="top" width="50%" headers="d0e27 ">Database type of transfer to auxiliary storage (class 2.) See <a href="#rzahxqapmpoolt__ptdts1">PTDTS1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDBF3</td> <td valign="top" width="50%" headers="d0e27 ">Database blocking factor (class 3.) See <a href="#rzahxqapmpoolt__ptdbf1">PTDBF1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">PD (3,0)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDEX3</td> <td valign="top" width="50%" headers="d0e27 ">Database allow exchange operations (class 3.) See <a href="#rzahxqapmpoolt__ptdex1">PTDEX1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDTS3</td> <td valign="top" width="50%" headers="d0e27 ">Database type of transfer to auxiliary storage (class 3.) See <a href="#rzahxqapmpoolt__ptdts1">PTDTS1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDBF4</td> <td valign="top" width="50%" headers="d0e27 ">Database blocking factor (class 4.) See <a href="#rzahxqapmpoolt__ptdbf1">PTDBF1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">PD (3,0)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDEX4</td> <td valign="top" width="50%" headers="d0e27 ">Database allow exchange operations (class 4.) See <a href="#rzahxqapmpoolt__ptdex1">PTDEX1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> <tr><td valign="top" width="25%" headers="d0e25 ">PTDTS4</td> <td valign="top" width="50%" headers="d0e27 ">Database type of transfer to auxiliary storage (class 4.) See <a href="#rzahxqapmpoolt__ptdts1">PTDTS1</a>.</td> <td valign="top" width="25%" headers="d0e29 ">C (1)</td> </tr> </tbody> </table> </div> <div class="note"><span class="notetitle">Note:</span> For more information on pool tuning, see <span class="q">"Setting Up the System to Dynamically Adjust a Storage Pool for an Object (Expert Cache)"</span> in the <cite>V5R1 Work Management</cite> manual (SC41-5306-03) on the <a href="http://publib.boulder.ibm.com/iseries/v5r1/ic2924/rzaqhindex.htm" target="_blank">V5R1 Supplemental Manuals</a> <img src="www.gif" alt="Link outside information center" /> Web site. </div> </div> </div> <div> <div class="familylinks"> <div class="parentlink"><strong>Parent topic:</strong> <a href="rzahxapsparent.htm" title="Managing performance on iSeries systems requires the use of a variety of specialized applications. Each of these applications offers a specific insight into system performance. This topic explains several applications and the intended use of each application.">Applications for performance management</a></div> </div> </div> </body> </html>