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Ignore whitespace Rev 35 → Rev 36

/web/kaklik's_web/torrentflux/adodb/perf/perf-db2.inc.php
0,0 → 1,102
<?php
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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();
 
// Simple guide to configuring db2: so-so http://www.devx.com/gethelpon/10MinuteSolution/16575
 
// SELECT * FROM TABLE(SNAPSHOT_APPL('SAMPLE', -1)) as t
class perf_db2 extends adodb_perf{
var $createTableSQL = "CREATE TABLE adodb_logsql (
created TIMESTAMP NOT NULL,
sql0 varchar(250) NOT NULL,
sql1 varchar(4000) NOT NULL,
params varchar(3000) NOT NULL,
tracer varchar(500) NOT NULL,
timer decimal(16,6) NOT NULL
)";
var $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIO',
"SELECT
case when sum(POOL_DATA_L_READS+POOL_INDEX_L_READS)=0 then 0
else 100*(1-sum(POOL_DATA_P_READS+POOL_INDEX_P_READS)/sum(POOL_DATA_L_READS+POOL_INDEX_L_READS)) end
FROM TABLE(SNAPSHOT_APPL('',-2)) as t",
'=WarnCacheRatio'),
'Data Cache',
'data cache buffers' => array('DATAC',
'select sum(npages) from SYSCAT.BUFFERPOOLS',
'See <a href=http://www7b.boulder.ibm.com/dmdd/library/techarticle/anshum/0107anshum.html#bufferpoolsize>tuning reference</a>.' ),
'cache blocksize' => array('DATAC',
'select avg(pagesize) from SYSCAT.BUFFERPOOLS',
'' ),
'data cache size' => array('DATAC',
'select sum(npages*pagesize) from SYSCAT.BUFFERPOOLS',
'' ),
'Connections',
'current connections' => array('SESS',
"SELECT count(*) FROM TABLE(SNAPSHOT_APPL_INFO('',-2)) as t",
''),
 
false
);
 
 
function perf_db2(&$conn)
{
$this->conn =& $conn;
}
function Explain($sql,$partial=false)
{
$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;
}
}
}
$qno = rand();
$ok = $this->conn->Execute("EXPLAIN PLAN SET QUERYNO=$qno FOR $sql");
ob_start();
if (!$ok) echo "<p>Have EXPLAIN tables been created?</p>";
else {
$rs = $this->conn->Execute("select * from explain_statement where queryno=$qno");
if ($rs) rs2html($rs);
}
$s = ob_get_contents();
ob_end_clean();
$this->conn->LogSQL($save);
$s .= $this->Tracer($sql);
return $s;
}
function Tables()
{
$rs = $this->conn->Execute("select tabschema,tabname,card as rows,
npages pages_used,fpages pages_allocated, tbspace tablespace
from syscat.tables where tabschema not in ('SYSCAT','SYSIBM','SYSSTAT') order by 1,2");
return rs2html($rs,false,false,false,false);
}
}
?>
/web/kaklik's_web/torrentflux/adodb/perf/perf-informix.inc.php
0,0 → 1,70
<?php
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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();
 
//
// 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 upto 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 $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIOH',
"select round((1-(wt.value / (rd.value + wr.value)))*100,2)
from sysmaster:sysprofile wr, sysmaster:sysprofile rd, sysmaster:sysprofile wt
where rd.name = 'pagreads' and
wr.name = 'pagwrites' and
wt.name = 'buffwts'",
'=WarnCacheRatio'),
'IO',
'data reads' => array('IO',
"select value from sysmaster:sysprofile where name='pagreads'",
'Page reads'),
'data writes' => array('IO',
"select value from sysmaster:sysprofile where name='pagwrites'",
'Page writes'),
'Connections',
'current connections' => array('SESS',
'select count(*) from sysmaster:syssessions',
'Number of sessions'),
false
);
function perf_informix(&$conn)
{
$this->conn =& $conn;
}
 
}
?>
/web/kaklik's_web/torrentflux/adodb/perf/perf-mssql.inc.php
0,0 → 1,164
<?php
 
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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();
 
/*
MSSQL has moved most performance info to Performance Monitor
*/
class perf_mssql extends adodb_perf{
var $sql1 = 'cast(sql1 as text)';
var $createTableSQL = "CREATE TABLE adodb_logsql (
created datetime NOT NULL,
sql0 varchar(250) NOT NULL,
sql1 varchar(4000) NOT NULL,
params varchar(3000) NOT NULL,
tracer varchar(500) NOT NULL,
timer decimal(16,6) NOT NULL
)";
var $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIO',
"select round((a.cntr_value*100.0)/b.cntr_value,2) from master.dbo.sysperfinfo a, master.dbo.sysperfinfo b where a.counter_name = 'Buffer cache hit ratio' and b.counter_name='Buffer cache hit ratio base'",
'=WarnCacheRatio'),
'prepared sql hit ratio' => array('RATIO',
array('dbcc cachestats','Prepared',1,100),
''),
'adhoc sql hit ratio' => array('RATIO',
array('dbcc cachestats','Adhoc',1,100),
''),
'IO',
'data reads' => array('IO',
"select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page reads/sec'"),
'data writes' => array('IO',
"select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page writes/sec'"),
'Data Cache',
'data cache size' => array('DATAC',
"select cntr_value*8192 from master.dbo.sysperfinfo where counter_name = 'Total Pages' and object_name='SQLServer:Buffer Manager'",
'' ),
'data cache blocksize' => array('DATAC',
"select 8192",'page size'),
'Connections',
'current connections' => array('SESS',
'=sp_who',
''),
'max connections' => array('SESS',
"SELECT @@MAX_CONNECTIONS",
''),
 
false
);
function perf_mssql(&$conn)
{
if ($conn->dataProvider == 'odbc') {
$this->sql1 = 'sql1';
//$this->explain = false;
}
$this->conn =& $conn;
}
function Explain($sql,$partial=false)
{
$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;
}
}
}
$s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>';
$this->conn->Execute("SET SHOWPLAN_ALL ON;");
$sql = str_replace('?',"''",$sql);
global $ADODB_FETCH_MODE;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
$rs =& $this->conn->Execute($sql);
//adodb_printr($rs);
$ADODB_FETCH_MODE = $save;
if ($rs) {
$rs->MoveNext();
$s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> &nbsp; &nbsp; Plan</tr>';
while (!$rs->EOF) {
$s .= '<tr><td>'.round($rs->fields[8],1).'<td>'.round($rs->fields[9],3).'<td align=right>'.round($rs->fields[10],3).'<td nowrap><pre>'.htmlspecialchars($rs->fields[0])."</td></pre></tr>\n"; ## NOTE CORRUPT </td></pre> tag is intentional!!!!
$rs->MoveNext();
}
$s .= '</table>';
$rs->NextRecordSet();
}
$this->conn->Execute("SET SHOWPLAN_ALL OFF;");
$this->conn->LogSQL($save);
$s .= $this->Tracer($sql);
return $s;
}
function Tables()
{
global $ADODB_FETCH_MODE;
$save = $ADODB_FETCH_MODE;
$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
//$this->conn->debug=1;
$s = '<table border=1 bgcolor=white><tr><td><b>tablename</b></td><td><b>size_in_k</b></td><td><b>index size</b></td><td><b>reserved size</b></td></tr>';
$rs1 = $this->conn->Execute("select distinct name from sysobjects where xtype='U'");
if ($rs1) {
while (!$rs1->EOF) {
$tab = $rs1->fields[0];
$tabq = $this->conn->qstr($tab);
$rs2 = $this->conn->Execute("sp_spaceused $tabq");
if ($rs2) {
$s .= '<tr><td>'.$tab.'</td><td align=right>'.$rs2->fields[3].'</td><td align=right>'.$rs2->fields[4].'</td><td align=right>'.$rs2->fields[2].'</td></tr>';
$rs2->Close();
}
$rs1->MoveNext();
}
$rs1->Close();
}
$ADODB_FETCH_MODE = $save;
return $s.'</table>';
}
function sp_who()
{
$arr = $this->conn->GetArray('sp_who');
return sizeof($arr);
}
function HealthCheck($cli=false)
{
$this->conn->Execute('dbcc traceon(3604)');
$html = adodb_perf::HealthCheck($cli);
$this->conn->Execute('dbcc traceoff(3604)');
return $html;
}
}
 
?>
/web/kaklik's_web/torrentflux/adodb/perf/perf-mysql.inc.php
0,0 → 1,315
<?php
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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 = $this->conn->Execute('show innodb status');
if (isset($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
}
?>
/web/kaklik's_web/torrentflux/adodb/perf/perf-oci8.inc.php
0,0 → 1,509
<?php
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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_oci8 extends ADODB_perf{
var $tablesSQL = "select segment_name as \"tablename\", sum(bytes)/1024 as \"size_in_k\",tablespace_name as \"tablespace\",count(*) \"extents\" from sys.user_extents
group by segment_name,tablespace_name";
var $version;
var $createTableSQL = "CREATE TABLE adodb_logsql (
created date NOT NULL,
sql0 varchar(250) NOT NULL,
sql1 varchar(4000) NOT NULL,
params varchar(4000),
tracer varchar(4000),
timer decimal(16,6) NOT NULL
)";
var $settings = array(
'Ratios',
'data cache hit ratio' => array('RATIOH',
"select round((1-(phy.value / (cur.value + con.value)))*100,2)
from v\$sysstat cur, v\$sysstat con, v\$sysstat phy
where cur.name = 'db block gets' and
con.name = 'consistent gets' and
phy.name = 'physical reads'",
'=WarnCacheRatio'),
'sql cache hit ratio' => array( 'RATIOH',
'select round(100*(sum(pins)-sum(reloads))/sum(pins),2) from v$librarycache',
'increase <i>shared_pool_size</i> if too ratio low'),
'datadict cache hit ratio' => array('RATIOH',
"select
round((1 - (sum(getmisses) / (sum(gets) +
sum(getmisses))))*100,2)
from v\$rowcache",
'increase <i>shared_pool_size</i> if too ratio low'),
'memory sort ratio' => array('RATIOH',
"SELECT ROUND((100 * b.VALUE) /DECODE ((a.VALUE + b.VALUE),
0,1,(a.VALUE + b.VALUE)),2)
FROM v\$sysstat a,
v\$sysstat b
WHERE a.name = 'sorts (disk)'
AND b.name = 'sorts (memory)'",
"% of memory sorts compared to disk sorts - should be over 95%"),
 
'IO',
'data reads' => array('IO',
"select value from v\$sysstat where name='physical reads'"),
'data writes' => array('IO',
"select value from v\$sysstat where name='physical writes'"),
'Data Cache',
'data cache buffers' => array( 'DATAC',
"select a.value/b.value from v\$parameter a, v\$parameter b
where a.name = 'db_cache_size' and b.name= 'db_block_size'",
'Number of cache buffers. Tune <i>db_cache_size</i> if the <i>data cache hit ratio</i> is too low.'),
'data cache blocksize' => array('DATAC',
"select value from v\$parameter where name='db_block_size'",
'' ),
'Memory Pools',
'data cache size' => array('DATAC',
"select value from v\$parameter where name = 'db_cache_size'",
'db_cache_size' ),
'shared pool size' => array('DATAC',
"select value from v\$parameter where name = 'shared_pool_size'",
'shared_pool_size, which holds shared sql, stored procedures, dict cache and similar shared structs' ),
'java pool size' => array('DATAJ',
"select value from v\$parameter where name = 'java_pool_size'",
'java_pool_size' ),
'large pool buffer size' => array('CACHE',
"select value from v\$parameter where name='large_pool_size'",
'this pool is for large mem allocations (not because it is larger than shared pool), for MTS sessions, parallel queries, io buffers (large_pool_size) ' ),
 
'pga buffer size' => array('CACHE',
"select value from v\$parameter where name='pga_aggregate_target'",
'program global area is private memory for sorting, and hash and bitmap merges - since oracle 9i (pga_aggregate_target)' ),
 
'Connections',
'current connections' => array('SESS',
'select count(*) from sys.v_$session where username is not null',
''),
'max connections' => array( 'SESS',
"select value from v\$parameter where name='sessions'",
''),
 
'Memory Utilization',
'data cache utilization ratio' => array('RATIOU',
"select round((1-bytes/sgasize)*100, 2)
from (select sum(bytes) sgasize from sys.v_\$sgastat) s, sys.v_\$sgastat f
where name = 'free memory' and pool = 'shared pool'",
'Percentage of data cache actually in use - should be over 85%'),
'shared pool utilization ratio' => array('RATIOU',
'select round((sga.bytes/p.value)*100,2)
from v$sgastat sga, v$parameter p
where sga.name = \'free memory\' and sga.pool = \'shared pool\'
and p.name = \'shared_pool_size\'',
'Percentage of shared pool actually used - too low is bad, too high is worse'),
'large pool utilization ratio' => array('RATIOU',
"select round((1-bytes/sgasize)*100, 2)
from (select sum(bytes) sgasize from sys.v_\$sgastat) s, sys.v_\$sgastat f
where name = 'free memory' and pool = 'large pool'",
'Percentage of large_pool actually in use - too low is bad, too high is worse'),
'sort buffer size' => array('CACHE',
"select value from v\$parameter where name='sort_area_size'",
'max in-mem sort_area_size (per query), uses memory in pga' ),
 
'pga usage at peak' => array('RATIOU',
'=PGA','Mb utilization at peak transactions (requires Oracle 9i+)'),
'Transactions',
'rollback segments' => array('ROLLBACK',
"select count(*) from sys.v_\$rollstat",
''),
'peak transactions' => array('ROLLBACK',
"select max_utilization tx_hwm
from sys.v_\$resource_limit
where resource_name = 'transactions'",
'Taken from high-water-mark'),
'max transactions' => array('ROLLBACK',
"select value from v\$parameter where name = 'transactions'",
'max transactions / rollback segments < 3.5 (or transactions_per_rollback_segment)'),
'Parameters',
'cursor sharing' => array('CURSOR',
"select value from v\$parameter where name = 'cursor_sharing'",
'Cursor reuse strategy. Recommended is FORCE (8i+) or SIMILAR (9i+). See <a href=http://www.praetoriate.com/oracle_tips_cursor_sharing.htm>cursor_sharing</a>.'),
/*
'cursor reuse' => array('CURSOR',
"select count(*) from (select sql_text_wo_constants, count(*)
from t1
group by sql_text_wo_constants
having count(*) > 100)",'These are sql statements that should be using bind variables'),*/
'index cache cost' => array('COST',
"select value from v\$parameter where name = 'optimizer_index_caching'",
'=WarnIndexCost'),
'random page cost' => array('COST',
"select value from v\$parameter where name = 'optimizer_index_cost_adj'",
'=WarnPageCost'),
false
);
function perf_oci8(&$conn)
{
$savelog = $conn->LogSQL(false);
$this->version = $conn->ServerInfo();
$conn->LogSQL($savelog);
$this->conn =& $conn;
}
function WarnPageCost($val)
{
if ($val == 100) $s = '<font color=red><b>Too High</b>. </font>';
else $s = '';
return $s.'Recommended is 20-50 for TP, and 50 for data warehouses. Default is 100. See <a href=http://www.dba-oracle.com/oracle_tips_cost_adj.htm>optimizer_index_cost_adj</a>. ';
}
function WarnIndexCost($val)
{
if ($val == 0) $s = '<font color=red><b>Too Low</b>. </font>';
else $s = '';
return $s.'Percentage of indexed data blocks expected in the cache.
Recommended is 20 (fast disk array) to 50 (slower hard disks). Default is 0.
See <a href=http://www.dba-oracle.com/oracle_tips_cbo_part1.htm>optimizer_index_caching</a>.';
}
function PGA()
{
if ($this->version['version'] < 9) return 'Oracle 9i or later required';
$rs = $this->conn->Execute("select a.mb,a.targ as pga_size_pct,a.pct from
(select round(pga_target_for_estimate/1024.0/1024.0,0) Mb,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v\$pga_target_advice) a left join
(select round(pga_target_for_estimate/1024.0/1024.0,0) Mb,
pga_target_factor targ,estd_pga_cache_hit_percentage pct,rownum as r
from v\$pga_target_advice) b on
a.r = b.r+1 where
b.pct < 100");
if (!$rs) return "Only in 9i or later";
$rs->Close();
if ($rs->EOF) return "PGA could be too big";
return reset($rs->fields);
}
function Explain($sql,$partial=false)
{
$savelog = $this->conn->LogSQL(false);
$rs =& $this->conn->SelectLimit("select ID FROM PLAN_TABLE");
if (!$rs) {
echo "<p><b>Missing PLAN_TABLE</b></p>
<pre>
CREATE TABLE PLAN_TABLE (
STATEMENT_ID VARCHAR2(30),
TIMESTAMP DATE,
REMARKS VARCHAR2(80),
OPERATION VARCHAR2(30),
OPTIONS VARCHAR2(30),
OBJECT_NODE VARCHAR2(128),
OBJECT_OWNER VARCHAR2(30),
OBJECT_NAME VARCHAR2(30),
OBJECT_INSTANCE NUMBER(38),
OBJECT_TYPE VARCHAR2(30),
OPTIMIZER VARCHAR2(255),
SEARCH_COLUMNS NUMBER,
ID NUMBER(38),
PARENT_ID NUMBER(38),
POSITION NUMBER(38),
COST NUMBER(38),
CARDINALITY NUMBER(38),
BYTES NUMBER(38),
OTHER_TAG VARCHAR2(255),
PARTITION_START VARCHAR2(255),
PARTITION_STOP VARCHAR2(255),
PARTITION_ID NUMBER(38),
OTHER LONG,
DISTRIBUTION VARCHAR2(30)
);
</pre>";
return false;
}
$rs->Close();
// $this->conn->debug=1;
if ($partial) {
$sqlq = $this->conn->qstr($sql.'%');
$arr = $this->conn->GetArray("select distinct distinct sql1 from adodb_logsql where sql1 like $sqlq");
if ($arr) {
foreach($arr as $row) {
$sql = reset($row);
if (crc32($sql) == $partial) break;
}
}
}
$s = "<p><b>Explain</b>: ".htmlspecialchars($sql)."</p>";
$this->conn->BeginTrans();
$id = "ADODB ".microtime();
 
$rs =& $this->conn->Execute("EXPLAIN PLAN SET STATEMENT_ID='$id' FOR $sql");
$m = $this->conn->ErrorMsg();
if ($m) {
$this->conn->RollbackTrans();
$this->conn->LogSQL($savelog);
$s .= "<p>$m</p>";
return $s;
}
$rs =& $this->conn->Execute("
select
'<pre>'||lpad('--', (level-1)*2,'-') || trim(operation) || ' ' || trim(options)||'</pre>' as Operation,
object_name,COST,CARDINALITY,bytes
FROM plan_table
START WITH id = 0 and STATEMENT_ID='$id'
CONNECT BY prior id=parent_id and statement_id='$id'");
$s .= rs2html($rs,false,false,false,false);
$this->conn->RollbackTrans();
$this->conn->LogSQL($savelog);
$s .= $this->Tracer($sql,$partial);
return $s;
}
function CheckMemory()
{
if ($this->version['version'] < 9) return 'Oracle 9i or later required';
$rs =& $this->conn->Execute("
select a.size_for_estimate as cache_mb_estimate,
case when a.size_factor=1 then
'&lt;&lt;= current'
when a.estd_physical_read_factor-b.estd_physical_read_factor > 0 and a.estd_physical_read_factor<1 then
'- BETTER - '
else ' ' end as currsize,
a.estd_physical_read_factor-b.estd_physical_read_factor as best_when_0
from (select size_for_estimate,size_factor,estd_physical_read_factor,rownum r from v\$db_cache_advice) a ,
(select size_for_estimate,size_factor,estd_physical_read_factor,rownum r from v\$db_cache_advice) b where a.r = b.r-1");
if (!$rs) return false;
/*
The v$db_cache_advice utility show the marginal changes in physical data block reads for different sizes of db_cache_size
*/
$s = "<h3>Data Cache Estimate</h3>";
if ($rs->EOF) {
$s .= "<p>Cache that is 50% of current size is still too big</p>";
} else {
$s .= "Ideal size of Data Cache is when \"best_when_0\" changes from a positive number and becomes zero.";
$s .= rs2html($rs,false,false,false,false);
}
return $s;
}
/*
Generate html for suspicious/expensive sql
*/
function tohtml(&$rs,$type)
{
$o1 = $rs->FetchField(0);
$o2 = $rs->FetchField(1);
$o3 = $rs->FetchField(2);
if ($rs->EOF) return '<p>None found</p>';
$check = '';
$sql = '';
$s = "\n\n<table border=1 bgcolor=white><tr><td><b>".$o1->name.'</b></td><td><b>'.$o2->name.'</b></td><td><b>'.$o3->name.'</b></td></tr>';
while (!$rs->EOF) {
if ($check != $rs->fields[0].'::'.$rs->fields[1]) {
if ($check) {
$carr = explode('::',$check);
$prefix = "<a href=\"?$type=1&sql=".rawurlencode($sql).'&x#explain">';
$suffix = '</a>';
if (strlen($prefix)>2000) {
$prefix = '';
$suffix = '';
}
$s .= "\n<tr><td align=right>".$carr[0].'</td><td align=right>'.$carr[1].'</td><td>'.$prefix.$sql.$suffix.'</td></tr>';
}
$sql = $rs->fields[2];
$check = $rs->fields[0].'::'.$rs->fields[1];
} else
$sql .= $rs->fields[2];
if (substr($sql,strlen($sql)-1) == "\0") $sql = substr($sql,0,strlen($sql)-1);
$rs->MoveNext();
}
$rs->Close();
$carr = explode('::',$check);
$prefix = "<a target=".rand()." href=\"?&hidem=1&$type=1&sql=".rawurlencode($sql).'&x#explain">';
$suffix = '</a>';
if (strlen($prefix)>2000) {
$prefix = '';
$suffix = '';
}
$s .= "\n<tr><td align=right>".$carr[0].'</td><td align=right>'.$carr[1].'</td><td>'.$prefix.$sql.$suffix.'</td></tr>';
return $s."</table>\n\n";
}
// code thanks to Ixora.
// http://www.ixora.com.au/scripts/query_opt.htm
// requires oracle 8.1.7 or later
function SuspiciousSQL($numsql=10)
{
$sql = "
select
substr(to_char(s.pct, '99.00'), 2) || '%' load,
s.executions executes,
p.sql_text
from
(
select
address,
buffer_gets,
executions,
pct,
rank() over (order by buffer_gets desc) ranking
from
(
select
address,
buffer_gets,
executions,
100 * ratio_to_report(buffer_gets) over () pct
from
sys.v_\$sql
where
command_type != 47 and module != 'T.O.A.D.'
)
where
buffer_gets > 50 * executions
) s,
sys.v_\$sqltext p
where
s.ranking <= $numsql and
p.address = s.address
order by
1 desc, s.address, p.piece";
 
global $ADODB_CACHE_MODE;
if (isset($_GET['expsixora']) && isset($_GET['sql'])) {
$partial = empty($_GET['part']);
echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n";
}
 
if (isset($_GET['sql'])) return $this->_SuspiciousSQL($numsql);
$s = '';
$s .= $this->_SuspiciousSQL($numsql);
$s .= '<p>';
$save = $ADODB_CACHE_MODE;
$ADODB_CACHE_MODE = ADODB_FETCH_NUM;
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
$savelog = $this->conn->LogSQL(false);
$rs =& $this->conn->SelectLimit($sql);
$this->conn->LogSQL($savelog);
if (isset($savem)) $this->conn->SetFetchMode($savem);
$ADODB_CACHE_MODE = $save;
if ($rs) {
$s .= "\n<h3>Ixora Suspicious SQL</h3>";
$s .= $this->tohtml($rs,'expsixora');
}
return $s;
}
// code thanks to Ixora.
// http://www.ixora.com.au/scripts/query_opt.htm
// requires oracle 8.1.7 or later
function ExpensiveSQL($numsql = 10)
{
$sql = "
select
substr(to_char(s.pct, '99.00'), 2) || '%' load,
s.executions executes,
p.sql_text
from
(
select
address,
disk_reads,
executions,
pct,
rank() over (order by disk_reads desc) ranking
from
(
select
address,
disk_reads,
executions,
100 * ratio_to_report(disk_reads) over () pct
from
sys.v_\$sql
where
command_type != 47 and module != 'T.O.A.D.'
)
where
disk_reads > 50 * executions
) s,
sys.v_\$sqltext p
where
s.ranking <= $numsql and
p.address = s.address
order by
1 desc, s.address, p.piece
";
global $ADODB_CACHE_MODE;
if (isset($_GET['expeixora']) && isset($_GET['sql'])) {
$partial = empty($_GET['part']);
echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n";
}
if (isset($_GET['sql'])) {
$var = $this->_ExpensiveSQL($numsql);
return $var;
}
$s = '';
$s .= $this->_ExpensiveSQL($numsql);
$s .= '<p>';
$save = $ADODB_CACHE_MODE;
$ADODB_CACHE_MODE = ADODB_FETCH_NUM;
if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false);
$savelog = $this->conn->LogSQL(false);
$rs =& $this->conn->Execute($sql);
$this->conn->LogSQL($savelog);
if (isset($savem)) $this->conn->SetFetchMode($savem);
$ADODB_CACHE_MODE = $save;
if ($rs) {
$s .= "\n<h3>Ixora Expensive SQL</h3>";
$s .= $this->tohtml($rs,'expeixora');
}
return $s;
}
}
?>
/web/kaklik's_web/torrentflux/adodb/perf/perf-postgres.inc.php
0,0 → 1,124
<?php
 
/*
V4.80 8 Mar 2006 (c) 2000-2006 John Lim (jlim@natsoft.com.my). 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();
 
/*
Notice that PostgreSQL has no sql query cache
*/
class perf_postgres extends adodb_perf{
var $tablesSQL =
"select a.relname as tablename,(a.relpages+CASE WHEN b.relpages is null THEN 0 ELSE b.relpages END+CASE WHEN c.relpages is null THEN 0 ELSE c.relpages END)*8 as size_in_K,a.relfilenode as \"OID\" from pg_class a left join pg_class b
on b.relname = 'pg_toast_'||trim(a.relfilenode)
left join pg_class c on c.relname = 'pg_toast_'||trim(a.relfilenode)||'_index'
where a.relname in (select tablename from pg_tables where tablename not like 'pg_%')";
var $createTableSQL = "CREATE TABLE adodb_logsql (
created timestamp 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',
'statistics collector' => array('RATIO',
"select case when count(*)=3 then 'TRUE' else 'FALSE' end from pg_settings where (name='stats_block_level' or name='stats_row_level' or name='stats_start_collector') and setting='on' ",
'Value must be TRUE to enable hit ratio statistics (<i>stats_start_collector</i>,<i>stats_row_level</i> and <i>stats_block_level</i> must be set to true in postgresql.conf)'),
'data cache hit ratio' => array('RATIO',
"select case when blks_hit=0 then 0 else round( ((1-blks_read::float/blks_hit)*100)::numeric, 2) end from pg_stat_database where datname='\$DATABASE'",
'=WarnCacheRatio'),
'IO',
'data reads' => array('IO',
'select sum(heap_blks_read+toast_blks_read) from pg_statio_user_tables',
),
'data writes' => array('IO',
'select round((sum(n_tup_ins/4.0+n_tup_upd/8.0+n_tup_del/4.0)/16)::numeric,2) from pg_stat_user_tables',
'Count of inserts/updates/deletes * coef'),
 
'Data Cache',
'data cache buffers' => array('DATAC',
"select setting from pg_settings where name='shared_buffers'",
'Number of cache buffers. <a href=http://www.varlena.com/GeneralBits/Tidbits/perf.html#basic>Tuning</a>'),
'cache blocksize' => array('DATAC',
'select 8192',
'(estimate)' ),
'data cache size' => array( 'DATAC',
"select setting::integer*8192 from pg_settings where name='shared_buffers'",
'' ),
'operating system cache size' => array( 'DATA',
"select setting::integer*8192 from pg_settings where name='effective_cache_size'",
'(effective cache size)' ),
'Memory Usage',
# Postgres 7.5 changelog: Rename server parameters SortMem and VacuumMem to work_mem and maintenance_work_mem;
'sort/work buffer size' => array('CACHE',
"select setting::integer*1024 from pg_settings where name='sort_mem' or name = 'work_mem' order by name",
'Size of sort buffer (per query)' ),
'Connections',
'current connections' => array('SESS',
'select count(*) from pg_stat_activity',
''),
'max connections' => array('SESS',
"select setting from pg_settings where name='max_connections'",
''),
'Parameters',
'rollback buffers' => array('COST',
"select setting from pg_settings where name='wal_buffers'",
'WAL buffers'),
'random page cost' => array('COST',
"select setting from pg_settings where name='random_page_cost'",
'Cost of doing a seek (default=4). See <a href=http://www.varlena.com/GeneralBits/Tidbits/perf.html#less>random_page_cost</a>'),
false
);
function perf_postgres(&$conn)
{
$this->conn =& $conn;
}
function Explain($sql,$partial=false)
{
$save = $this->conn->LogSQL(false);
if ($partial) {
$sqlq = $this->conn->qstr($sql.'%');
$arr = $this->conn->GetArray("select distinct 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);
$s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>';
$rs = $this->conn->Execute('EXPLAIN '.$sql);
$this->conn->LogSQL($save);
$s .= '<pre>';
if ($rs)
while (!$rs->EOF) {
$s .= reset($rs->fields)."\n";
$rs->MoveNext();
}
$s .= '</pre>';
$s .= $this->Tracer($sql,$partial);
return $s;
}
}
?>