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efrain |
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<?php
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/**
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* Library for basic performance monitoring and tuning
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*
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* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
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*
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* @package ADOdb
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* @link https://adodb.org Project's web site and documentation
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* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
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*
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* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
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* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
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* any later version. This means you can use it in proprietary products.
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* See the LICENSE.md file distributed with this source code for details.
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* @license BSD-3-Clause
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* @license LGPL-2.1-or-later
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*
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* @copyright 2000-2013 John Lim
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* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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//
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// Thx to Fernando Ortiz, mailto:fortiz#lacorona.com.mx
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// With info taken from http://www.oninit.com/oninit/sysmaster/index.html
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//
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class perf_informix extends adodb_perf{
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// Maximum size on varchar up to 9.30 255 chars
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// better truncate varchar to 255 than char(4000) ?
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var $createTableSQL = "CREATE TABLE adodb_logsql (
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created datetime year to second NOT NULL,
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sql0 varchar(250) NOT NULL,
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sql1 varchar(255) NOT NULL,
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params varchar(255) NOT NULL,
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tracer varchar(255) NOT NULL,
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timer decimal(16,6) NOT NULL
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)";
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var $tablesSQL = "select a.tabname tablename, ti_nptotal*2 size_in_k, ti_nextns extents, ti_nrows records from systables c, sysmaster:systabnames a, sysmaster:systabinfo b where c.tabname not matches 'sys*' and c.partnum = a.partnum and c.partnum = b.ti_partnum";
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var $settings = array(
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'Ratios',
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'data cache hit ratio' => array('RATIOH',
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"select round((1-(wt.value / (rd.value + wr.value)))*100,2)
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from sysmaster:sysprofile wr, sysmaster:sysprofile rd, sysmaster:sysprofile wt
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where rd.name = 'pagreads' and
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wr.name = 'pagwrites' and
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wt.name = 'buffwts'",
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'=WarnCacheRatio'),
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'IO',
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'data reads' => array('IO',
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"select value from sysmaster:sysprofile where name='pagreads'",
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'Page reads'),
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'data writes' => array('IO',
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"select value from sysmaster:sysprofile where name='pagwrites'",
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'Page writes'),
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'Connections',
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'current connections' => array('SESS',
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'select count(*) from sysmaster:syssessions',
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'Number of sessions'),
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false
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);
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function __construct(&$conn)
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{
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$this->conn = $conn;
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}
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}
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