' . " "; echo '

' . " " . ($GLOBALS['cfg']['MainPageIconic'] ? '

' : '') . $strServerStatus . " " . '' . " "; /** * flush status variables if requested */ if (isset($_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 / $server_variables['key_buffer_size']; } // Ratio for key read/write if (isset($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' => ''), '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(); // because of PMA_NO_VARIABLES_IMPORT, the $PHP_SELF globalized by // grab_globals is not available here when register_globals = Off // and in some situations, $_SERVER['PHP_SELF'] is not defined $links['table'][$strFlushTables] = PMA_getenv('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] = PMA_getenv('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 */ ?>