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N.1065 Fix performance issues.

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Add statistics on query table join optimization.

SVN:trunk[4992]
This commit is contained in:
Eric Espié
2017-10-06 13:53:06 +00:00
parent 3f7ab67506
commit 49b6c3bed7
4 changed files with 177 additions and 4 deletions
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103
test/display_cache_content.php Normal file
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<?php
// Copyright (c) 2010-2017 Combodo SARL
//
// This file is part of iTop.
//
// iTop is free software; you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// iTop is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with iTop. If not, see <http://www.gnu.org/licenses/>
//
/**
* Date: 06/10/2017
*/
require_once('../approot.inc.php');
require_once(APPROOT.'application/startup.inc.php');
$sEnvironment = MetaModel::GetEnvironmentId();
$aEntries = array();
$aCacheUserData = apc_cache_info_compat();
if (is_array($aCacheUserData) && isset($aCacheUserData['cache_list']))
{
$sPrefix = 'itop-'.$sEnvironment.'-query-cache-';
foreach($aCacheUserData['cache_list'] as $i => $aEntry)
{
$sEntryKey = array_key_exists('info', $aEntry) ? $aEntry['info'] : $aEntry['key'];
if (strpos($sEntryKey, $sPrefix) === 0)
{
$aEntries[] = $sEntryKey;
}
}
}
echo "<pre>";
if (empty($aEntries))
{
return;
}
$sKey = $aEntries[0];
$result = apc_fetch($sKey);
if (!is_object($result))
{
return;
}
$oSQLQuery = $result;
echo "NB Tables before;NB Tables after;";
foreach($oSQLQuery->m_aContextData as $sField => $oValue)
{
echo $sField.';';
}
echo "\n";
sort($aEntries);
foreach($aEntries as $sKey)
{
$result = apc_fetch($sKey);
if (is_object($result))
{
$oSQLQuery = $result;
if (isset($oSQLQuery->m_aContextData))
{
echo $oSQLQuery->m_iOriginalTableCount.";".$oSQLQuery->CountTables().';';
foreach($oSQLQuery->m_aContextData as $oValue)
{
if (is_array($oValue))
{
$sVal = json_encode($oValue);
}
else
{
if (empty($oValue))
{
$sVal = '';
}
else
{
$sVal = $oValue;
}
}
echo '"'.$sVal.'"'.';';
}
echo "\n";
}
}
}
echo "</pre>";