Viewing file: server_status.php (20.74 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* $Id: server_status.php,v 2.28 2006/01/25 08:16:40 cybot_tm Exp $ */ // vim: expandtab sw=4 ts=4 sts=4: /** * displays status variables with descriptions and some hints an optmizing * + reset status variables */ if ( ! defined( 'PMA_NO_VARIABLES_IMPORT' ) ) { define( 'PMA_NO_VARIABLES_IMPORT', true ); } require_once('./libraries/common.lib.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 '<a name="_top"></a>' . "\n"; 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 */ if ( PMA_MYSQL_INT_VERSION >= 50002 ) { $server_status = PMA_DBI_fetch_result( 'SHOW GLOBAL STATUS', 0, 1 ); } else { $server_status = PMA_DBI_fetch_result( 'SHOW STATUS', 0, 1 ); }
/** * for some calculations we require also some server settings */ if ( PMA_MYSQL_INT_VERSION >= 40003 ) { $server_variables = PMA_DBI_fetch_result( 'SHOW GLOBAL VARIABLES', 0, 1 ); } else { $server_variables = PMA_DBI_fetch_result( 'SHOW 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']; } // Threads_cache_hitrate if ( isset( $server_status['Threads_created'] ) && isset( $server_status['Connections'] ) ) { $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' => '' ), '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 ), );
/** * define some needfull links/commands */ // variable or section name => (name => url) $links = array();
$links['table'][$strFlushTables] = $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']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/replication.html';
$links['qcache'][$strFlushQueryCache] = $PHP_SELF . '?flush=' . urlencode('QUERY CACHE') . '&' . PMA_generate_common_url(); $links['qcache']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/query-cache.html';
$links['threads'][$strMySQLShowProcess] = 'server_processlist.php?' . PMA_generate_common_url(); $links['threads']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/mysql-threads.html';
$links['key']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/myisam-key-cache.html';
$links['slow_queries']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/slow-query-log.html';
$links['binlog_cache']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/binary-log.html';
$links['Slow_queries']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/slow-query-log.html';
$links['innodb'][$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']['MySQL - ' . $strDocu] = $cfg['MySQLManualBase'] . '/innodb.html';
// 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 );
// rest $sections['all']['vars'] =& $server_status;
$hour_factor = 3600 / $server_status['Uptime'];
/** * start output */ ?> <div id="statuslinks"> <a href="<?php echo $PHP_SELF . '?' . PMA_generate_common_url(); ?>" ><?php echo $strRefresh; ?></a> <a href="<?php echo $PHP_SELF . '?flush=STATUS&' . PMA_generate_common_url(); ?>" ><?php echo $strShowStatusReset; ?></a> <a href="<?php echo $cfg['MySQLManualBase']; ?>/server-status-variables.html" target="documentation">MySQL - <?php echo $strDocu; ?></a> </div>
<p> <?php echo sprintf( $strServerStatusUptime, PMA_timespanFormat( $server_status['Uptime'] ), PMA_localisedDate( $start_time ) ) . "\n"; ?> </p>
<div id="sectionlinks"> <?php foreach ( $sections as $section_name => $section ) { if ( ! empty( $section['vars'] ) && ! empty( $section['title'] ) ) { echo '<a href="' . $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'], 3 ) ); ?></td> <td class="value"><?php echo implode(' ', PMA_formatByteDown( $server_status['Bytes_received'] * $hour_factor, 3 ) ); ?></td> </tr> <tr class="even"> <th class="name"><?php echo $strSent; ?></th> <td class="value"><?php echo implode(' ', PMA_formatByteDown( $server_status['Bytes_sent'], 3 ) ); ?></td> <td class="value"><?php echo implode(' ', PMA_formatByteDown( $server_status['Bytes_sent'] * $hour_factor, 3 ) ); ?></td> </tr> <tr class="odd"> <th class="name"><?php echo $strTotalUC; ?></th> <td class="value"><?php echo implode(' ', PMA_formatByteDown( $server_status['Bytes_received'] + $server_status['Bytes_sent'], 3 ) ); ?></td> <td class="value"><?php echo implode(' ', PMA_formatByteDown( ($server_status['Bytes_received'] + $server_status['Bytes_sent']) * $hour_factor, 3 ) ); ?></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 number_format( $server_status['Max_used_connections'], 0, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator']); ?> </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 ? number_format( $server_status['Aborted_connects'] * 100 / $server_status['Connections'], 2, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator'] ) . '%' : '--- '; ?></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 ? number_format( $server_status['Aborted_clients'] * 100 / $server_status['Connections'], 2, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator']) . '%' : '--- '; ?></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 number_format( 100, 2, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator'] ); ?>%</td> </tr> </tbody> </table>
<hr class="clearfloat" />
<h3><?php echo sprintf( $strQueryStatistics, number_format($server_status['Questions'], 0, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator'] ) ); ?></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'], 3, 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, 3, 0 ); ?></td> <td class="value"><?php echo PMA_formatNumber( $value * $hour_factor, 3, 2 ); ?></td> <td class="value"><?php echo number_format( $value * $perc_factor, 2, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator'] ); ?>%</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 $PHP_SELF . '?' . PMA_generate_common_url() . '#_top'; ?>" 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 ) { 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 number_format( $value, 2, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator'] ) . ' %'; } elseif ( is_numeric( $value ) && $value == (int) $value ) { echo PMA_formatNumber( $value, 3, 0 ); } elseif ( is_numeric( $value ) ) { echo PMA_formatNumber( $value, 3, 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 ) { 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> </div> <?php
/** * Sends the footer */ require_once './libraries/footer.inc.php'; ?>
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