Current File : /home/vacivi36/ava/lib/adodb/perf/perf-informix.inc.php
<?php
/**
* Library for basic performance monitoring and tuning
*
* This file is part of ADOdb, a Database Abstraction Layer library for PHP.
*
* @package ADOdb
* @link https://adodb.org Project's web site and documentation
* @link https://github.com/ADOdb/ADOdb Source code and issue tracker
*
* The ADOdb Library is dual-licensed, released under both the BSD 3-Clause
* and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option,
* any later version. This means you can use it in proprietary products.
* See the LICENSE.md file distributed with this source code for details.
* @license BSD-3-Clause
* @license LGPL-2.1-or-later
*
* @copyright 2000-2013 John Lim
* @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
//
// Thx to Fernando Ortiz, mailto:fortiz#lacorona.com.mx
// With info taken from http://www.oninit.com/oninit/sysmaster/index.html
//
class perf_informix extends adodb_perf{
// Maximum size on varchar up to 9.30 255 chars
// better truncate varchar to 255 than char(4000) ?
var $createTableSQL = "CREATE TABLE adodb_logsql (
created datetime year to second NOT NULL,
sql0 varchar(250) NOT NULL,
sql1 varchar(255) NOT NULL,
params varchar(255) NOT NULL,
tracer varchar(255) NOT NULL,
timer decimal(16,6) NOT NULL
)";
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";
var $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIOH',
"select round((1-(wt.value / (rd.value + wr.value)))*100,2)
from sysmaster:sysprofile wr, sysmaster:sysprofile rd, sysmaster:sysprofile wt
where rd.name = 'pagreads' and
wr.name = 'pagwrites' and
wt.name = 'buffwts'",
'=WarnCacheRatio'),
'IO',
'data reads' => array('IO',
"select value from sysmaster:sysprofile where name='pagreads'",
'Page reads'),
'data writes' => array('IO',
"select value from sysmaster:sysprofile where name='pagwrites'",
'Page writes'),
'Connections',
'current connections' => array('SESS',
'select count(*) from sysmaster:syssessions',
'Number of sessions'),
false
);
function __construct(&$conn)
{
$this->conn = $conn;
}
}
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