summaryrefslogtreecommitdiff
path: root/trunk/adodb5/perf/perf-mysql.inc.php
diff options
context:
space:
mode:
Diffstat (limited to 'trunk/adodb5/perf/perf-mysql.inc.php')
-rw-r--r--trunk/adodb5/perf/perf-mysql.inc.php315
1 files changed, 0 insertions, 315 deletions
diff --git a/trunk/adodb5/perf/perf-mysql.inc.php b/trunk/adodb5/perf/perf-mysql.inc.php
deleted file mode 100644
index a68bf519..00000000
--- a/trunk/adodb5/perf/perf-mysql.inc.php
+++ /dev/null
@@ -1,315 +0,0 @@
-<?php
-/*
-V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved.
- Released under both BSD license and Lesser GPL library license.
- Whenever there is any discrepancy between the two licenses,
- the BSD license will take precedence. See License.txt.
- Set tabs to 4 for best viewing.
-
- Latest version is available at http://adodb.sourceforge.net
-
- Library for basic performance monitoring and tuning
-
-*/
-
-// security - hide paths
-if (!defined('ADODB_DIR')) die();
-
-class perf_mysql extends adodb_perf{
-
- var $tablesSQL = 'show table status';
-
- var $createTableSQL = "CREATE TABLE adodb_logsql (
- created datetime NOT NULL,
- sql0 varchar(250) NOT NULL,
- sql1 text NOT NULL,
- params text NOT NULL,
- tracer text NOT NULL,
- timer decimal(16,6) NOT NULL
- )";
-
- var $settings = array(
- 'Ratios',
- 'MyISAM cache hit ratio' => array('RATIO',
- '=GetKeyHitRatio',
- '=WarnCacheRatio'),
- 'InnoDB cache hit ratio' => array('RATIO',
- '=GetInnoDBHitRatio',
- '=WarnCacheRatio'),
- 'data cache hit ratio' => array('HIDE', # only if called
- '=FindDBHitRatio',
- '=WarnCacheRatio'),
- 'sql cache hit ratio' => array('RATIO',
- '=GetQHitRatio',
- ''),
- 'IO',
- 'data reads' => array('IO',
- '=GetReads',
- 'Number of selects (Key_reads is not accurate)'),
- 'data writes' => array('IO',
- '=GetWrites',
- 'Number of inserts/updates/deletes * coef (Key_writes is not accurate)'),
-
- 'Data Cache',
- 'MyISAM data cache size' => array('DATAC',
- array("show variables", 'key_buffer_size'),
- '' ),
- 'BDB data cache size' => array('DATAC',
- array("show variables", 'bdb_cache_size'),
- '' ),
- 'InnoDB data cache size' => array('DATAC',
- array("show variables", 'innodb_buffer_pool_size'),
- '' ),
- 'Memory Usage',
- 'read buffer size' => array('CACHE',
- array("show variables", 'read_buffer_size'),
- '(per session)'),
- 'sort buffer size' => array('CACHE',
- array("show variables", 'sort_buffer_size'),
- 'Size of sort buffer (per session)' ),
- 'table cache' => array('CACHE',
- array("show variables", 'table_cache'),
- 'Number of tables to keep open'),
- 'Connections',
- 'current connections' => array('SESS',
- array('show status','Threads_connected'),
- ''),
- 'max connections' => array( 'SESS',
- array("show variables",'max_connections'),
- ''),
-
- false
- );
-
- function perf_mysql(&$conn)
- {
- $this->conn = $conn;
- }
-
- function Explain($sql,$partial=false)
- {
-
- if (strtoupper(substr(trim($sql),0,6)) !== 'SELECT') return '<p>Unable to EXPLAIN non-select statement</p>';
- $save = $this->conn->LogSQL(false);
- if ($partial) {
- $sqlq = $this->conn->qstr($sql.'%');
- $arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq");
- if ($arr) {
- foreach($arr as $row) {
- $sql = reset($row);
- if (crc32($sql) == $partial) break;
- }
- }
- }
- $sql = str_replace('?',"''",$sql);
-
- if ($partial) {
- $sqlq = $this->conn->qstr($sql.'%');
- $sql = $this->conn->GetOne("select sql1 from adodb_logsql where sql1 like $sqlq");
- }
-
- $s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>';
- $rs = $this->conn->Execute('EXPLAIN '.$sql);
- $s .= rs2html($rs,false,false,false,false);
- $this->conn->LogSQL($save);
- $s .= $this->Tracer($sql);
- return $s;
- }
-
- function Tables()
- {
- if (!$this->tablesSQL) return false;
-
- $rs = $this->conn->Execute($this->tablesSQL);
- if (!$rs) return false;
-
- $html = rs2html($rs,false,false,false,false);
- return $html;
- }
-
- function GetReads()
- {
- global $ADODB_FETCH_MODE;
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
-
- $rs = $this->conn->Execute('show status');
-
- if (isset($savem)) $this->conn->SetFetchMode($savem);
- $ADODB_FETCH_MODE = $save;
-
- if (!$rs) return 0;
- $val = 0;
- while (!$rs->EOF) {
- switch($rs->fields[0]) {
- case 'Com_select':
- $val = $rs->fields[1];
- $rs->Close();
- return $val;
- }
- $rs->MoveNext();
- }
-
- $rs->Close();
-
- return $val;
- }
-
- function GetWrites()
- {
- global $ADODB_FETCH_MODE;
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
-
- $rs = $this->conn->Execute('show status');
-
- if (isset($savem)) $this->conn->SetFetchMode($savem);
- $ADODB_FETCH_MODE = $save;
-
- if (!$rs) return 0;
- $val = 0.0;
- while (!$rs->EOF) {
- switch($rs->fields[0]) {
- case 'Com_insert':
- $val += $rs->fields[1]; break;
- case 'Com_delete':
- $val += $rs->fields[1]; break;
- case 'Com_update':
- $val += $rs->fields[1]/2;
- $rs->Close();
- return $val;
- }
- $rs->MoveNext();
- }
-
- $rs->Close();
-
- return $val;
- }
-
- function FindDBHitRatio()
- {
- // first find out type of table
- //$this->conn->debug=1;
-
- global $ADODB_FETCH_MODE;
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
-
- $rs = $this->conn->Execute('show table status');
-
- if (isset($savem)) $this->conn->SetFetchMode($savem);
- $ADODB_FETCH_MODE = $save;
-
- if (!$rs) return '';
- $type = strtoupper($rs->fields[1]);
- $rs->Close();
- switch($type){
- case 'MYISAM':
- case 'ISAM':
- return $this->DBParameter('MyISAM cache hit ratio').' (MyISAM)';
- case 'INNODB':
- return $this->DBParameter('InnoDB cache hit ratio').' (InnoDB)';
- default:
- return $type.' not supported';
- }
-
- }
-
- function GetQHitRatio()
- {
- //Total number of queries = Qcache_inserts + Qcache_hits + Qcache_not_cached
- $hits = $this->_DBParameter(array("show status","Qcache_hits"));
- $total = $this->_DBParameter(array("show status","Qcache_inserts"));
- $total += $this->_DBParameter(array("show status","Qcache_not_cached"));
-
- $total += $hits;
- if ($total) return round(($hits*100)/$total,2);
- return 0;
- }
-
- /*
- Use session variable to store Hit percentage, because MySQL
- does not remember last value of SHOW INNODB STATUS hit ratio
-
- # 1st query to SHOW INNODB STATUS
- 0.00 reads/s, 0.00 creates/s, 0.00 writes/s
- Buffer pool hit rate 1000 / 1000
-
- # 2nd query to SHOW INNODB STATUS
- 0.00 reads/s, 0.00 creates/s, 0.00 writes/s
- No buffer pool activity since the last printout
- */
- function GetInnoDBHitRatio()
- {
- global $ADODB_FETCH_MODE;
-
- $save = $ADODB_FETCH_MODE;
- $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
- if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
-
- $rs = $this->conn->Execute('show engine innodb status');
-
- if (isset($savem)) $this->conn->SetFetchMode($savem);
- $ADODB_FETCH_MODE = $save;
-
- if (!$rs || $rs->EOF) return 0;
- $stat = $rs->fields[0];
- $rs->Close();
- $at = strpos($stat,'Buffer pool hit rate');
- $stat = substr($stat,$at,200);
- if (preg_match('!Buffer pool hit rate\s*([0-9]*) / ([0-9]*)!',$stat,$arr)) {
- $val = 100*$arr[1]/$arr[2];
- $_SESSION['INNODB_HIT_PCT'] = $val;
- return round($val,2);
- } else {
- if (isset($_SESSION['INNODB_HIT_PCT'])) return $_SESSION['INNODB_HIT_PCT'];
- return 0;
- }
- return 0;
- }
-
- function GetKeyHitRatio()
- {
- $hits = $this->_DBParameter(array("show status","Key_read_requests"));
- $reqs = $this->_DBParameter(array("show status","Key_reads"));
- if ($reqs == 0) return 0;
-
- return round(($hits/($reqs+$hits))*100,2);
- }
-
- // start hack
- var $optimizeTableLow = 'CHECK TABLE %s FAST QUICK';
- var $optimizeTableHigh = 'OPTIMIZE TABLE %s';
-
- /**
- * @see adodb_perf#optimizeTable
- */
- function optimizeTable( $table, $mode = ADODB_OPT_LOW)
- {
- if ( !is_string( $table)) return false;
-
- $conn = $this->conn;
- if ( !$conn) return false;
-
- $sql = '';
- switch( $mode) {
- case ADODB_OPT_LOW : $sql = $this->optimizeTableLow; break;
- case ADODB_OPT_HIGH : $sql = $this->optimizeTableHigh; break;
- default :
- {
- // May dont use __FUNCTION__ constant for BC (__FUNCTION__ Added in PHP 4.3.0)
- ADOConnection::outp( sprintf( "<p>%s: '%s' using of undefined mode '%s'</p>", __CLASS__, __FUNCTION__, $mode));
- return false;
- }
- }
- $sql = sprintf( $sql, $table);
-
- return $conn->Execute( $sql) !== false;
- }
- // end hack
-}
-?> \ No newline at end of file
generated by cgit v1.3 (git 2.53.0) at 2026-07-11 17:53:39 +0000