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- <?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';
- ?>
-