698 lines
21 KiB
PHP
698 lines
21 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* displays status variables with descriptions and some hints an optmizing
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* + reset status variables
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*
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* @version $Id$
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*/
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/**
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*
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*/
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if (! defined('PMA_NO_VARIABLES_IMPORT')) {
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define('PMA_NO_VARIABLES_IMPORT', true);
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}
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require_once './libraries/common.inc.php';
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/**
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* Does the common work
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*/
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require './libraries/server_common.inc.php';
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/**
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* Displays the links
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*/
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require './libraries/server_links.inc.php';
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/**
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* Displays the sub-page heading
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*/
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echo '<div id="serverstatus">' . "\n";
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echo '<h2>' . "\n"
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. ($GLOBALS['cfg']['MainPageIconic']
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? '<img class="icon" src="' . $GLOBALS['pmaThemeImage'] .
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's_status.png" width="16" height="16" alt="" />'
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: '')
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. $strServerStatus . "\n"
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. '</h2>' . "\n";
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/**
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* flush status variables if requested
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*/
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if (isset($_REQUEST['flush'])) {
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$_flush_commands = array(
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'STATUS',
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'TABLES',
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'QUERY CACHE',
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);
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if (in_array($_REQUEST['flush'], $_flush_commands)) {
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PMA_DBI_query('FLUSH ' . $_REQUEST['flush'] . ';');
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}
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unset($_flush_commands);
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}
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/**
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* get status from server
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*/
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if (PMA_MYSQL_INT_VERSION >= 50002) {
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$server_status = PMA_DBI_fetch_result('SHOW GLOBAL STATUS', 0, 1);
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} else {
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$server_status = PMA_DBI_fetch_result('SHOW STATUS', 0, 1);
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}
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/**
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* for some calculations we require also some server settings
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*/
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if (PMA_MYSQL_INT_VERSION >= 40003) {
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$server_variables = PMA_DBI_fetch_result('SHOW GLOBAL VARIABLES', 0, 1);
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} else {
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$server_variables = PMA_DBI_fetch_result('SHOW VARIABLES', 0, 1);
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}
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/**
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* starttime calculation
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*/
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$start_time = PMA_DBI_fetch_value(
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'SELECT UNIX_TIMESTAMP() - ' . $server_status['Uptime']);
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/**
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* cleanup some deprecated values
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*/
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$deprecated = array(
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'Com_prepare_sql' => 'Com_stmt_prepare',
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'Com_execute_sql' => 'Com_stmt_execute',
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'Com_dealloc_sql' => 'Com_stmt_close',
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);
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foreach ($deprecated as $old => $new) {
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if (isset($server_status[$old])
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&& isset($server_status[$new])) {
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unset($server_status[$old]);
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}
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}
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unset($deprecated);
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/**
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* calculate some values
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*/
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// Key_buffer_fraction
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if (isset($server_status['Key_blocks_unused'])
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&& isset($server_variables['key_cache_block_size'])
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&& isset($server_variables['key_buffer_size'])) {
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$server_status['Key_buffer_fraction_%'] =
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100
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- $server_status['Key_blocks_unused']
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* $server_variables['key_cache_block_size']
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/ $server_variables['key_buffer_size']
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* 100;
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} elseif (
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isset($server_status['Key_blocks_used'])
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&& isset($server_variables['key_buffer_size'])) {
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$server_status['Key_buffer_fraction_%'] =
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$server_status['Key_blocks_used']
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* 1024
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/ $server_variables['key_buffer_size'];
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}
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// Ratio for key read/write
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if (isset($server_status['Key_writes'])
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&& isset($server_status['Key_write_requests'])
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&& $server_status['Key_write_requests'] > 0)
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$server_status['Key_write_ratio_%'] = 100 * $server_status['Key_writes'] / $server_status['Key_write_requests'];
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if (isset($server_status['Key_reads'])
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&& isset($server_status['Key_read_requests'])
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&& $server_status['Key_read_requests'] > 0)
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$server_status['Key_read_ratio_%'] = 100 * $server_status['Key_reads'] / $server_status['Key_read_requests'];
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// Threads_cache_hitrate
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if (isset($server_status['Threads_created'])
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&& isset($server_status['Connections'])
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&& $server_status['Connections'] > 0) {
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$server_status['Threads_cache_hitrate_%'] =
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100
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- $server_status['Threads_created']
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/ $server_status['Connections']
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* 100;
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}
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/**
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* define some alerts
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*/
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// name => max value before alert
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$alerts = array(
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// lower is better
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// variable => max value
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'Aborted_clients' => 0,
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'Aborted_connects' => 0,
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'Binlog_cache_disk_use' => 0,
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'Created_tmp_disk_tables' => 0,
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'Handler_read_rnd' => 0,
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'Handler_read_rnd_next' => 0,
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'Innodb_buffer_pool_pages_dirty' => 0,
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'Innodb_buffer_pool_reads' => 0,
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'Innodb_buffer_pool_wait_free' => 0,
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'Innodb_log_waits' => 0,
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'Innodb_row_lock_time_avg' => 10, // ms
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'Innodb_row_lock_time_max' => 50, // ms
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'Innodb_row_lock_waits' => 0,
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'Slow_queries' => 0,
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'Delayed_errors' => 0,
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'Select_full_join' => 0,
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'Select_range_check' => 0,
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'Sort_merge_passes' => 0,
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'Opened_tables' => 0,
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'Table_locks_waited' => 0,
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'Qcache_lowmem_prunes' => 0,
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'Slow_launch_threads' => 0,
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// depends on Key_read_requests
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// normaly lower then 1:0.01
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'Key_reads' => (0.01 * $server_status['Key_read_requests']),
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// depends on Key_write_requests
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// normaly nearly 1:1
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'Key_writes' => (0.9 * $server_status['Key_write_requests']),
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'Key_buffer_fraction' => 0.5,
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// alert if more than 95% of thread cache is in use
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'Threads_cached' => 0.95 * $server_variables['thread_cache_size']
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// higher is better
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// variable => min value
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//'Handler read key' => '> ',
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);
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/**
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* split variables in sections
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*/
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$allocations = array(
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// variable name => section
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'Com_' => 'com',
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'Innodb_' => 'innodb',
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'Ndb_' => 'ndb',
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'Ssl_' => 'ssl',
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'Handler_' => 'handler',
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'Qcache_' => 'qcache',
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'Threads_' => 'threads',
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'Slow_launch_threads' => 'threads',
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'Binlog_cache_' => 'binlog_cache',
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'Created_tmp_' => 'created_tmp',
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'Key_' => 'key',
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'Delayed_' => 'delayed',
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'Not_flushed_delayed_rows' => 'delayed',
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'Flush_commands' => 'query',
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'Last_query_cost' => 'query',
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'Slow_queries' => 'query',
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'Select_' => 'select',
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'Sort_' => 'sort',
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'Open_tables' => 'table',
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'Opened_tables' => 'table',
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'Table_locks_' => 'table',
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'Rpl_status' => 'repl',
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'Slave_' => 'repl',
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'Tc_' => 'tc',
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);
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$sections = array(
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// section => section name (description)
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'com' => array('title' => ''),
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'query' => array('title' => ''),
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'innodb' => array('title' => 'InnoDB'),
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'ndb' => array('title' => 'NDB'),
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'ssl' => array('title' => 'SSL'),
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'handler' => array('title' => $strHandler),
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'qcache' => array('title' => $strQueryCache),
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'threads' => array('title' => $strThreads),
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'binlog_cache' => array('title' => $strBinaryLog),
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'created_tmp' => array('title' => $strTempData),
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'delayed' => array('title' => $strServerStatusDelayedInserts),
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'key' => array('title' => $strKeyCache),
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'select' => array('title' => $strJoins),
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'repl' => array('title' => $strReplication),
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'sort' => array('title' => $strSorting),
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'table' => array('title' => $strNumTables),
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'tc' => array('title' => $strTransactionCoordinator),
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);
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/**
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* define some needfull links/commands
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*/
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// variable or section name => (name => url)
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$links = array();
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// because of PMA_NO_VARIABLES_IMPORT, the $PHP_SELF globalized by
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// grab_globals is not available here when register_globals = Off
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// and in some situations, $_SERVER['PHP_SELF'] is not defined
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$links['table'][$strFlushTables]
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= PMA_getenv('PHP_SELF') . '?flush=TABLES&' . PMA_generate_common_url();
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$links['table'][$strShowOpenTables]
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= 'sql.php?sql_query=' . urlencode('SHOW OPEN TABLES') .
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'&goto=server_status.php&' . PMA_generate_common_url();
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$links['repl'][$strShowSlaveHosts]
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= 'sql.php?sql_query=' . urlencode('SHOW SLAVE HOSTS') .
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'&goto=server_status.php&' . PMA_generate_common_url();
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$links['repl'][$strShowSlaveStatus]
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= 'sql.php?sql_query=' . urlencode('SHOW SLAVE STATUS') .
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'&goto=server_status.php&' . PMA_generate_common_url();
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$links['repl']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/replication.html';
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$links['qcache'][$strFlushQueryCache]
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= PMA_getenv('PHP_SELF') . '?flush=' . urlencode('QUERY CACHE') . '&' .
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PMA_generate_common_url();
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$links['qcache']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/query-cache.html';
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$links['threads'][$strMySQLShowProcess]
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= 'server_processlist.php?' . PMA_generate_common_url();
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$links['threads']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/mysql-threads.html';
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$links['key']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/myisam-key-cache.html';
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$links['slow_queries']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/slow-query-log.html';
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$links['binlog_cache']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/binary-log.html';
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$links['Slow_queries']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/slow-query-log.html';
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$links['innodb'][$strServerTabVariables]
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= 'server_engines.php?engine=InnoDB&' . PMA_generate_common_url();
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$links['innodb'][$strInnodbStat]
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= 'server_engines.php?engine=InnoDB&page=Status&' .
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PMA_generate_common_url();
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$links['innodb']['MySQL - ' . $strDocu]
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= $cfg['MySQLManualBase'] . '/innodb.html';
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// sort status vars into arrays
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foreach ($server_status as $name => $value) {
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if (isset($allocations[$name])) {
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$sections[$allocations[$name]]['vars'][$name] = $value;
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unset($server_status[$name]);
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} else {
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foreach ($allocations as $filter => $section) {
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if (preg_match('/^' . $filter . '/', $name)
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&& isset($server_status[$name])) {
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unset($server_status[$name]);
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$sections[$section]['vars'][$name] = $value;
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}
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}
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}
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}
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unset($name, $value, $filter, $section, $allocations);
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// rest
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$sections['all']['vars'] =& $server_status;
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$hour_factor = 3600 / $server_status['Uptime'];
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/**
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* start output
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*/
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?>
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<div id="statuslinks">
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<a href="<?php echo
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PMA_getenv('PHP_SELF') . '?' . PMA_generate_common_url(); ?>"
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><?php echo $strRefresh; ?></a>
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<a href="<?php echo
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PMA_getenv('PHP_SELF') . '?flush=STATUS&' . PMA_generate_common_url(); ?>"
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><?php echo $strShowStatusReset; ?></a>
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<a href="<?php echo
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$cfg['MySQLManualBase']; ?>/server-status-variables.html"
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target="documentation">MySQL - <?php echo $strDocu; ?></a>
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</div>
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<p>
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<?php
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echo sprintf($strServerStatusUptime,
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PMA_timespanFormat($server_status['Uptime']),
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PMA_localisedDate($start_time)) . "\n";
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?>
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</p>
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<div id="sectionlinks">
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<?php
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foreach ($sections as $section_name => $section) {
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if (! empty($section['vars']) && ! empty($section['title'])) {
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echo '<a href="' . PMA_getenv('PHP_SELF') . '?' .
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PMA_generate_common_url() . '#' . $section_name . '">' .
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$section['title'] . '</a>' . "\n";
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}
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}
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?>
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</div>
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<h3><?php echo $strServerTrafficNotes; ?></h3>
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<table id="serverstatustraffic" class="data">
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<thead>
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<tr>
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<th colspan="2"><?php echo $strTraffic . ' ' . PMA_showHint($strStatisticsOverrun); ?></th>
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<th>ø <?php echo $strPerHour; ?></th>
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</tr>
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</thead>
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<tbody>
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<tr class="odd">
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<th class="name"><?php echo $strReceived; ?></th>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown($server_status['Bytes_received'], 4)); ?></td>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown(
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$server_status['Bytes_received'] * $hour_factor, 4)); ?></td>
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</tr>
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<tr class="even">
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<th class="name"><?php echo $strSent; ?></th>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown($server_status['Bytes_sent'], 4)); ?></td>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown(
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$server_status['Bytes_sent'] * $hour_factor, 4)); ?></td>
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</tr>
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<tr class="odd">
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<th class="name"><?php echo $strTotalUC; ?></th>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown(
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$server_status['Bytes_received'] + $server_status['Bytes_sent'], 4)
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); ?></td>
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<td class="value"><?php echo
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implode(' ',
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PMA_formatByteDown(
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($server_status['Bytes_received'] + $server_status['Bytes_sent'])
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* $hour_factor, 4)
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); ?></td>
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</tr>
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</tbody>
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</table>
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<table id="serverstatusconnections" class="data">
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<thead>
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<tr>
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<th colspan="2"><?php echo $strConnections; ?></th>
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<th>ø <?php echo $strPerHour; ?></th>
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<th>%</th>
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</tr>
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</thead>
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<tbody>
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<tr class="odd">
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<th class="name"><?php echo $strMaxConnects; ?></th>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Max_used_connections'], 0); ?> </td>
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<td class="value">--- </td>
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<td class="value">--- </td>
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</tr>
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<tr class="even">
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<th class="name"><?php echo $strFailedAttempts; ?></th>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Aborted_connects'], 4, 0); ?></td>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Aborted_connects'] * $hour_factor,
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4, 2); ?></td>
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<td class="value"><?php echo
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$server_status['Connections'] > 0
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? PMA_formatNumber(
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$server_status['Aborted_connects'] * 100 / $server_status['Connections'],
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0, 2) . '%'
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: '--- '; ?></td>
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</tr>
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<tr class="odd">
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<th class="name"><?php echo $strAbortedClients; ?></th>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Aborted_clients'], 4, 0); ?></td>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Aborted_clients'] * $hour_factor,
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4, 2); ?></td>
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<td class="value"><?php echo
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$server_status['Connections'] > 0
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? PMA_formatNumber(
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$server_status['Aborted_clients'] * 100 / $server_status['Connections'],
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0, 2) . '%'
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: '--- '; ?></td>
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</tr>
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<tr class="even">
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<th class="name"><?php echo $strTotalUC; ?></th>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Connections'], 4, 0); ?></td>
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<td class="value"><?php echo
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PMA_formatNumber($server_status['Connections'] * $hour_factor,
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4, 2); ?></td>
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<td class="value"><?php echo
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PMA_formatNumber(100, 0, 2); ?>%</td>
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</tr>
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</tbody>
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</table>
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<hr class="clearfloat" />
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<h3><?php echo
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sprintf($strQueryStatistics,
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PMA_formatNumber($server_status['Questions'], 0)); ?></h3>
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<table id="serverstatusqueriessummary" class="data">
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<thead>
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<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_getenv('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) {
|
|
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) {
|
|
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';
|
|
?>
|