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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* displays status variables with descriptions and some hints an optmizing
* + reset status variables
*
* @version $Id: server_status.php 12727 2009-07-26 11:39:39Z helmo $
* @package phpMyAdmin
*/
/**
* no need for variables importing
* @ignore
*/
if (! defined('PMA_NO_VARIABLES_IMPORT')) {
define('PMA_NO_VARIABLES_IMPORT', true);
}
require_once './libraries/common.inc.php';
/**
* Does the common work
*/
require './libraries/server_common.inc.php';
/**
* Displays the links
*/
require './libraries/server_links.inc.php';
/**
* Displays the sub-page heading
*/
echo '<div id="serverstatus">' . "\n";
echo '<h2>' . "\n"
. ($GLOBALS['cfg']['MainPageIconic']
? '<img class="icon" src="' . $GLOBALS['pmaThemeImage'] .
's_status.png" width="16" height="16" alt="" />'
: '')
. $strServerStatus . "\n"
. '</h2>' . "\n";
/**
* flush status variables if requested
*/
if (isset($_REQUEST['flush'])) {
$_flush_commands = array(
'STATUS',
'TABLES',
'QUERY CACHE',
);
if (in_array($_REQUEST['flush'], $_flush_commands)) {
PMA_DBI_query('FLUSH ' . $_REQUEST['flush'] . ';');
}
unset($_flush_commands);
}
/**
* get status from server
*/
$server_status = PMA_DBI_fetch_result('SHOW GLOBAL STATUS', 0, 1);
/**
* get master status from server
*/
$server_master_status = PMA_DBI_fetch_result('SHOW MASTER STATUS');
/**
* get slave status from server
*/
$server_slave_status = PMA_DBI_fetch_result('SHOW SLAVE STATUS');
/**
* for some calculations we require also some server settings
*/
$server_variables = PMA_DBI_fetch_result('SHOW GLOBAL VARIABLES', 0, 1);
/**
* starttime calculation
*/
$start_time = PMA_DBI_fetch_value(
'SELECT UNIX_TIMESTAMP() - ' . $server_status['Uptime']);
/**
* cleanup some deprecated values
*/
$deprecated = array(
'Com_prepare_sql' => 'Com_stmt_prepare',
'Com_execute_sql' => 'Com_stmt_execute',
'Com_dealloc_sql' => 'Com_stmt_close',
);
foreach ($deprecated as $old => $new) {
if (isset($server_status[$old])
&& isset($server_status[$new])) {
unset($server_status[$old]);
}
}
unset($deprecated);
/**
* calculate some values
*/
// Key_buffer_fraction
if (isset($server_status['Key_blocks_unused'])
&& isset($server_variables['key_cache_block_size'])
&& isset($server_variables['key_buffer_size'])) {
$server_status['Key_buffer_fraction_%'] =
100
- $server_status['Key_blocks_unused']
* $server_variables['key_cache_block_size']
/ $server_variables['key_buffer_size']
* 100;
} elseif (
isset($server_status['Key_blocks_used'])
&& isset($server_variables['key_buffer_size'])) {
$server_status['Key_buffer_fraction_%'] =
$server_status['Key_blocks_used']
* 1024
/ $server_variables['key_buffer_size'];
}
// Ratio for key read/write
if (isset($server_status['Key_writes'])
&& isset($server_status['Key_write_requests'])
&& $server_status['Key_write_requests'] > 0)
$server_status['Key_write_ratio_%'] = 100 * $server_status['Key_writes'] / $server_status['Key_write_requests'];
if (isset($server_status['Key_reads'])
&& isset($server_status['Key_read_requests'])
&& $server_status['Key_read_requests'] > 0)
$server_status['Key_read_ratio_%'] = 100 * $server_status['Key_reads'] / $server_status['Key_read_requests'];
// Threads_cache_hitrate
if (isset($server_status['Threads_created'])
&& isset($server_status['Connections'])
&& $server_status['Connections'] > 0) {
$server_status['Threads_cache_hitrate_%'] =
100
- $server_status['Threads_created']
/ $server_status['Connections']
* 100;
}
/**
* define some alerts
*/
// name => max value before alert
$alerts = array(
// lower is better
// variable => max value
'Aborted_clients' => 0,
'Aborted_connects' => 0,
'Binlog_cache_disk_use' => 0,
'Created_tmp_disk_tables' => 0,
'Handler_read_rnd' => 0,
'Handler_read_rnd_next' => 0,
'Innodb_buffer_pool_pages_dirty' => 0,
'Innodb_buffer_pool_reads' => 0,
'Innodb_buffer_pool_wait_free' => 0,
'Innodb_log_waits' => 0,
'Innodb_row_lock_time_avg' => 10, // ms
'Innodb_row_lock_time_max' => 50, // ms
'Innodb_row_lock_waits' => 0,
'Slow_queries' => 0,
'Delayed_errors' => 0,
'Select_full_join' => 0,
'Select_range_check' => 0,
'Sort_merge_passes' => 0,
'Opened_tables' => 0,
'Table_locks_waited' => 0,
'Qcache_lowmem_prunes' => 0,
'Slow_launch_threads' => 0,
// depends on Key_read_requests
// normaly lower then 1:0.01
'Key_reads' => (0.01 * $server_status['Key_read_requests']),
// depends on Key_write_requests
// normaly nearly 1:1
'Key_writes' => (0.9 * $server_status['Key_write_requests']),
'Key_buffer_fraction' => 0.5,
// alert if more than 95% of thread cache is in use
'Threads_cached' => 0.95 * $server_variables['thread_cache_size']
// higher is better
// variable => min value
//'Handler read key' => '> ',
);
/**
* split variables in sections
*/
$allocations = array(
// variable name => section
'Com_' => 'com',
'Innodb_' => 'innodb',
'Ndb_' => 'ndb',
'Ssl_' => 'ssl',
'Handler_' => 'handler',
'Qcache_' => 'qcache',
'Threads_' => 'threads',
'Slow_launch_threads' => 'threads',
'Binlog_cache_' => 'binlog_cache',
'Created_tmp_' => 'created_tmp',
'Key_' => 'key',
'Delayed_' => 'delayed',
'Not_flushed_delayed_rows' => 'delayed',
'Flush_commands' => 'query',
'Last_query_cost' => 'query',
'Slow_queries' => 'query',
'Select_' => 'select',
'Sort_' => 'sort',
'Open_tables' => 'table',
'Opened_tables' => 'table',
'Table_locks_' => 'table',
'Rpl_status' => 'repl',
'Slave_' => 'repl',
'Tc_' => 'tc',
);
$sections = array(
// section => section name (description)
'com' => array('title' => ''),
'query' => array('title' => $strSQLQuery),
'innodb' => array('title' => 'InnoDB'),
'ndb' => array('title' => 'NDB'),
'ssl' => array('title' => 'SSL'),
'handler' => array('title' => $strHandler),
'qcache' => array('title' => $strQueryCache),
'threads' => array('title' => $strThreads),
'binlog_cache' => array('title' => $strBinaryLog),
'created_tmp' => array('title' => $strTempData),
'delayed' => array('title' => $strServerStatusDelayedInserts),
'key' => array('title' => $strKeyCache),
'select' => array('title' => $strJoins),
'repl' => array('title' => $strReplication),
'sort' => array('title' => $strSorting),
'table' => array('title' => $strNumTables),
'tc' => array('title' => $strTransactionCoordinator),
);
/**
* replication types
*/
$replication_types = array('master', 'slave');
/**
* define variables for master status
*/
$master_variables = array(
'File',
'Position',
'Binlog_Do_DB',
'Binlog_Ignore_DB'
);
/**
* Define variables for slave status
*/
$slave_variables = array(
'Slave_IO_State',
'Master_Host',
'Master_User',
'Master_Port',
'Connect_Retry',
'Master_Log_File',
'Read_Master_Log_Pos',
'Relay_Log_File',
'Relay_Log_Pos',
'Relay_Master_Log_File',
'Slave_IO_Running',
'Slave_SQL_Running',
'Replicate_Do_DB',
'Replicate_Ignore_DB',
'Replicate_Do_Table',
'Replicate_Ignore_Table',
'Replicate_Wild_Do_Table',
'Replicate_Wild_Ignore_Table',
'Last_Errno',
'Last_Error',
'Skip_Counter',
'Exec_Master_Log_Pos',
'Relay_Log_Space',
'Until_Condition',
'Until_Log_File',
'Until_Log_Pos',
'Master_SSL_Allowed',
'Master_SSL_CA_File',
'Master_SSL_CA_Path',
'Master_SSL_Cert',
'Master_SSL_Cipher',
'Master_SSL_Key',
'Seconds_Behind_Master'
);
/**
* define important variables, which need to be watched for correct running of replication in slave mode
*/
$slave_variables_alerts = array(
'Slave_IO_Running' => 'No',
'Slave_SQL_Running' => 'No'
);
$slave_variables_oks = array(
'Slave_IO_Running' => 'Yes',
'Slave_SQL_Running' => 'Yes'
);
/**
* define some needfull links/commands
*/
// variable or section name => (name => url)
$links = array();
$links['table'][$strFlushTables]
= $PMA_PHP_SELF . '?flush=TABLES&' . PMA_generate_common_url();
$links['table'][$strShowOpenTables]
= 'sql.php?sql_query=' . urlencode('SHOW OPEN TABLES') .
'&goto=server_status.php&' . PMA_generate_common_url();
$links['repl'][$strShowSlaveHosts]
= 'sql.php?sql_query=' . urlencode('SHOW SLAVE HOSTS') .
'&goto=server_status.php&' . PMA_generate_common_url();
$links['repl'][$strShowSlaveStatus]
= 'sql.php?sql_query=' . urlencode('SHOW SLAVE STATUS') .
'&goto=server_status.php&' . PMA_generate_common_url();
$links['repl']['doc'] = 'replication';
$links['qcache'][$strFlushQueryCache]
= $PMA_PHP_SELF . '?flush=' . urlencode('QUERY CACHE') . '&' .
PMA_generate_common_url();
$links['qcache']['doc'] = 'query_cache';
$links['threads'][$strMySQLShowProcess]
= 'server_processlist.php?' . PMA_generate_common_url();
$links['threads']['doc'] = 'mysql_threads';
$links['key']['doc'] = 'myisam_key_cache';
$links['binlog_cache']['doc'] = 'binary_log';
$links['Slow_queries']['doc'] = 'slow_query_log';
$links['innodb'][$strServerTabVariables]
= 'server_engines.php?engine=InnoDB&' . PMA_generate_common_url();
$links['innodb'][$strInnodbStat]
= 'server_engines.php?engine=InnoDB&page=Status&' .
PMA_generate_common_url();
$links['innodb']['doc'] = 'innodb';
// sort status vars into arrays
foreach ($server_status as $name => $value) {
if (isset($allocations[$name])) {
$sections[$allocations[$name]]['vars'][$name] = $value;
unset($server_status[$name]);
} else {
foreach ($allocations as $filter => $section) {
if (preg_match('/^' . $filter . '/', $name)
&& isset($server_status[$name])) {
unset($server_status[$name]);
$sections[$section]['vars'][$name] = $value;
}
}
}
}
unset($name, $value, $filter, $section, $allocations);
// check which replication is available
foreach ($replication_types as $type)
{
if (count(${"server_{$type}_status"}) > 0)
${"server_{$type}_status_run"} = true;
else
${"server_{$type}_status_run"} = false;
}
// rest
$sections['all']['vars'] =& $server_status;
$hour_factor = 3600 / $server_status['Uptime'];
/**
* start output
*/
?>
<div id="statuslinks">
<a href="<?php echo
$PMA_PHP_SELF . '?' . PMA_generate_common_url(); ?>"
><?php echo $strRefresh; ?></a>
<a href="<?php echo
$PMA_PHP_SELF . '?flush=STATUS&' . PMA_generate_common_url(); ?>"
><?php echo $strShowStatusReset; ?></a>
<?php echo PMA_showMySQLDocu('server_status_variables','server_status_variables'); ?>
</div>
<p>
<?php
echo sprintf($strServerStatusUptime,
PMA_timespanFormat($server_status['Uptime']),
PMA_localisedDate($start_time)) . "\n";
?>
</p>
<?php
if ($server_master_status_run || $server_slave_status_run) {
$replicationOut = "";
foreach ($replication_types as $type) {
if (${"server_{$type}_status_run"}) {
if ($replicationOut != "") {
$replicationOut .= $strAndSmall . ' ';
}
$replicationOut .= '<b>' . $type . '</b> ';
}
}
echo sprintf('<p>' . $strReplicationStatusInfo . '</p>', $replicationOut);
}
?>
<div id="sectionlinks">
<?php
foreach ($sections as $section_name => $section) {
if (! empty($section['vars']) && ! empty($section['title'])) {
echo '<a href="' . $PMA_PHP_SELF . '?' .
PMA_generate_common_url() . '#' . $section_name . '">' .
$section['title'] . '</a>' . "\n";
}
}
?>
</div>
<h3><?php echo $strServerTrafficNotes; ?></h3>
<table id="serverstatustraffic" class="data">
<thead>
<tr>
<th colspan="2"><?php echo $strTraffic . ' ' . PMA_showHint($strStatisticsOverrun); ?></th>
<th>ø <?php echo $strPerHour; ?></th>
</tr>
</thead>
<tbody>
<tr class="odd">
<th class="name"><?php echo $strReceived; ?></th>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown($server_status['Bytes_received'], 4)); ?></td>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown(
$server_status['Bytes_received'] * $hour_factor, 4)); ?></td>
</tr>
<tr class="even">
<th class="name"><?php echo $strSent; ?></th>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown($server_status['Bytes_sent'], 4)); ?></td>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown(
$server_status['Bytes_sent'] * $hour_factor, 4)); ?></td>
</tr>
<tr class="odd">
<th class="name"><?php echo $strTotalUC; ?></th>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown(
$server_status['Bytes_received'] + $server_status['Bytes_sent'], 4)
); ?></td>
<td class="value"><?php echo
implode(' ',
PMA_formatByteDown(
($server_status['Bytes_received'] + $server_status['Bytes_sent'])
* $hour_factor, 4)
); ?></td>
</tr>
</tbody>
</table>
<table id="serverstatusconnections" class="data">
<thead>
<tr>
<th colspan="2"><?php echo $strConnections; ?></th>
<th>ø <?php echo $strPerHour; ?></th>
<th>%</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<th class="name"><?php echo $strMaxConnects; ?></th>
<td class="value"><?php echo
PMA_formatNumber($server_status['Max_used_connections'], 0); ?> </td>
<td class="value">--- </td>
<td class="value">--- </td>
</tr>
<tr class="even">
<th class="name"><?php echo $strFailedAttempts; ?></th>
<td class="value"><?php echo
PMA_formatNumber($server_status['Aborted_connects'], 4, 0); ?></td>
<td class="value"><?php echo
PMA_formatNumber($server_status['Aborted_connects'] * $hour_factor,
4, 2); ?></td>
<td class="value"><?php echo
$server_status['Connections'] > 0
? PMA_formatNumber(
$server_status['Aborted_connects'] * 100 / $server_status['Connections'],
0, 2) . '%'
: '--- '; ?></td>
</tr>
<tr class="odd">
<th class="name"><?php echo $strAbortedClients; ?></th>
<td class="value"><?php echo
PMA_formatNumber($server_status['Aborted_clients'], 4, 0); ?></td>
<td class="value"><?php echo
PMA_formatNumber($server_status['Aborted_clients'] * $hour_factor,
4, 2); ?></td>
<td class="value"><?php echo
$server_status['Connections'] > 0
? PMA_formatNumber(
$server_status['Aborted_clients'] * 100 / $server_status['Connections'],
0, 2) . '%'
: '--- '; ?></td>
</tr>
<tr class="even">
<th class="name"><?php echo $strTotalUC; ?></th>
<td class="value"><?php echo
PMA_formatNumber($server_status['Connections'], 4, 0); ?></td>
<td class="value"><?php echo
PMA_formatNumber($server_status['Connections'] * $hour_factor,
4, 2); ?></td>
<td class="value"><?php echo
PMA_formatNumber(100, 0, 2); ?>%</td>
</tr>
</tbody>
</table>
<hr class="clearfloat" />
<h3><?php echo
sprintf($strQueryStatistics,
PMA_formatNumber($server_status['Questions'], 0)); ?></h3>
<table id="serverstatusqueriessummary" class="data">
<thead>
<tr>
<th><?php echo $strTotalUC; ?></th>
<th>ø <?php echo $strPerHour; ?></th>
<th>ø <?php echo $strPerMinute; ?></th>
<th>ø <?php echo $strPerSecond; ?></th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td class="value"><?php echo
PMA_formatNumber($server_status['Questions'], 4, 0); ?></td>
<td class="value"><?php echo
PMA_formatNumber($server_status['Questions'] * $hour_factor,
3, 2); ?></td>
<td class="value"><?php echo
PMA_formatNumber(
$server_status['Questions'] * 60 / $server_status['Uptime'],
3, 2); ?></td>
<td class="value"><?php echo
PMA_formatNumber(
$server_status['Questions'] / $server_status['Uptime'],
3, 2); ?></td>
</tr>
</tbody>
</table>
<div id="serverstatusqueriesdetails">
<?php
// number of tables to split values into
$tables = 2;
$rows_per_table = (int) ceil(count($sections['com']['vars']) / $tables);
$current_table = 0;
$odd_row = true;
$countRows = 0;
$perc_factor = 100 / ($server_status['Questions'] - $server_status['Connections']);
foreach ($sections['com']['vars'] as $name => $value) {
$current_table++;
if ($countRows === 0 || $countRows === $rows_per_table) {
$odd_row = true;
if ($countRows === $rows_per_table) {
echo ' </tbody>' . "\n";
echo ' </table>' . "\n";
}
?>
<table id="serverstatusqueriesdetails<?php echo $current_table; ?>" class="data">
<col class="namecol" />
<col class="valuecol" span="3" />
<thead>
<tr><th colspan="2"><?php echo $strQueryType; ?></th>
<th>ø <?php echo $strPerHour; ?></th>
<th>%</th>
</tr>
</thead>
<tbody>
<?php
} else {
$odd_row = !$odd_row;
}
$countRows++;
// For the percentage column, use Questions - Connections, because
// the number of connections is not an item of the Query types
// but is included in Questions. Then the total of the percentages is 100.
$name = str_replace('Com_', '', $name);
$name = str_replace('_', ' ', $name);
?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
<th class="name"><?php echo htmlspecialchars($name); ?></th>
<td class="value"><?php echo PMA_formatNumber($value, 4, 0); ?></td>
<td class="value"><?php echo
PMA_formatNumber($value * $hour_factor, 4, 2); ?></td>
<td class="value"><?php echo
PMA_formatNumber($value * $perc_factor, 0, 2); ?>%</td>
</tr>
<?php
}
?>
</tbody>
</table>
</div>
<div id="serverstatussection">
<?php
//Unset used variables
unset(
$tables, $rows_per_table, $current_table, $countRows, $perc_factor,
$hour_factor, $sections['com'],
$server_status['Aborted_clients'], $server_status['Aborted_connects'],
$server_status['Max_used_connections'], $server_status['Bytes_received'],
$server_status['Bytes_sent'], $server_status['Connections'],
$server_status['Questions'], $server_status['Uptime']
);
foreach ($sections as $section_name => $section) {
if (! empty($section['vars'])) {
?>
<table class="data" id="serverstatussection<?php echo $section_name; ?>">
<caption class="tblHeaders">
<a class="top"
href="<?php echo $PMA_PHP_SELF . '?' .
PMA_generate_common_url() . '#serverstatus'; ?>"
name="<?php echo $section_name; ?>"><?php echo $strPos1; ?>
<?php echo
($GLOBALS['cfg']['MainPageIconic']
? '<img src="' . $GLOBALS['pmaThemeImage'] .
's_asc.png" width="11" height="9" align="middle" alt="" />'
: ''); ?>
</a>
<?php
if (! empty($section['title'])) {
echo $section['title'];
}
?>
</caption>
<col class="namecol" />
<col class="valuecol" />
<col class="descrcol" />
<thead>
<tr>
<th><?php echo $strVar; ?></th>
<th><?php echo $strValue; ?></th>
<th><?php echo $strDescription; ?></th>
</tr>
</thead>
<?php
if (! empty($links[$section_name])) {
?>
<tfoot>
<tr class="tblFooters">
<th colspan="3" class="tblFooters">
<?php
foreach ($links[$section_name] as $link_name => $link_url) {
if ('doc' == $link_name) {
echo PMA_showMySQLDocu($link_url, $link_url);
} else {
echo '<a href="' . $link_url . '">' . $link_name . '</a>' . "\n";
}
}
unset($link_url, $link_name);
?>
</th>
</tr>
</tfoot>
<?php
}
?>
<tbody>
<?php
$odd_row = false;
foreach ($section['vars'] as $name => $value) {
$odd_row = !$odd_row;
?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
<th class="name"><?php echo htmlspecialchars($name); ?></th>
<td class="value"><?php
if (isset($alerts[$name])) {
if ($value > $alerts[$name]) {
echo '<span class="attention">';
} else {
echo '<span class="allfine">';
}
}
if ('%' === substr($name, -1, 1)) {
echo PMA_formatNumber($value, 0, 2) . ' %';
} elseif (is_numeric($value) && $value == (int) $value) {
echo PMA_formatNumber($value, 4, 0);
} elseif (is_numeric($value)) {
echo PMA_formatNumber($value, 4, 2);
} else {
echo htmlspecialchars($value);
}
if (isset($alerts[$name])) {
echo '</span>';
}
?></td>
<td class="descr">
<?php
if (isset($GLOBALS['strShowStatus' . $name . 'Descr'])) {
echo $GLOBALS['strShowStatus' . $name . 'Descr'];
}
if (isset($links[$name])) {
foreach ($links[$name] as $link_name => $link_url) {
if ('doc' == $link_name) {
echo PMA_showMySQLDocu($link_url, $link_url);
} else {
echo ' <a href="' . $link_url . '">' . $link_name . '</a>' .
"\n";
}
}
unset($link_url, $link_name);
}
?>
</td>
</tr>
<?php
}
unset($name, $value);
?>
</tbody>
</table>
<?php
}
}
unset($section_name, $section, $sections, $server_status, $odd_row, $alerts);
?>
</div>
<?php
/* if the server works as master or slave in replication process, display useful information */
if ($server_master_status_run || $server_slave_status_run)
{
?>
<hr class="clearfloat" />
<h3><a name="replication"></a><?php echo $strReplicationStatus; ?></h3>
<?php
foreach ($replication_types as $type)
{
if (${"server_{$type}_status_run"})
{
?>
<h4><?php echo ${"strReplicationStatus_{$type}"}; ?></h4>
<?php
?>
<table id="server<?php echo $type; ?>replicationsummary" class="data">
<thead>
<tr>
<th><?php echo $strVar; ?></th>
<th><?php echo $strValue; ?></th>
</tr>
</thead>
<tbody>
<?php
$odd_row = true;
foreach(${"{$type}_variables"} as $variable)
{
?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
<td class="name">
<?php echo $variable; ?>
</td>
<td class="value">
<?php
if (isset(${"{$type}_variables_alerts"}[$variable])
&& ${"{$type}_variables_alerts"}[$variable] == ${"server_{$type}_status"}[0][$variable]) {
echo '<span class="attention">';
} elseif (isset(${"{$type}_variables_oks"}[$variable])
&& ${"{$type}_variables_oks"}[$variable] == ${"server_{$type}_status"}[0][$variable]) {
echo '<span class="allfine">';
} else {
echo '<span>';
}
echo ${"server_{$type}_status"}[0][$variable];
echo '</span>';
?>
</td>
</tr>
<?php
$odd_row = ! $odd_row;
}
unset(${"server_{$type}_status"});
?>
</tbody>
</table>
<?php
}
}
unset($types);
}
?>
</div>
<?php
/**
* Sends the footer
*/
require_once './libraries/footer.inc.php';
?>
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