| | 1 | <?php |
| | 2 | |
| | 3 | @chdir(dirname(__FILE__).'/../'); |
| | 4 | require_once('mitsql.cfg.php'); |
| | 5 | require_once('mitsql.lib.php'); |
| | 6 | isOffline() && exit; |
| | 7 | |
| | 8 | define('MAX_PROC_TIME', 20); |
| | 9 | |
| | 10 | $baddbs = $badusers = $bad = array(); |
| | 11 | $result = mysql_query('SHOW FULL PROCESSLIST'); |
| | 12 | while ($row = mysql_fetch_assoc($result)){ |
| | 13 | if ($row['Time']>MAX_PROC_TIME && $row['Command']!='Sleep') { |
| | 14 | $bad[] = $row; |
| | 15 | $baddbs[] = $row['db']; |
| | 16 | $badusers[] = $row['User']; |
| | 17 | } |
| | 18 | } |
| | 19 | mysql_free_result($result); |
| | 20 | |
| | 21 | foreach($bad as $badproc) { |
| | 22 | $mailtos = $mailnames = array(); |
| | 23 | $baddb = mysql_escape_string($badproc['db']); |
| | 24 | $badtime = $badproc['Time']; |
| | 25 | $badquery = $badproc['Info']; |
| | 26 | if (empty($baddb)) continue; |
| | 27 | $sql = "SELECT User.UserId,User.Name,User.Email |
| | 28 | FROM `User` |
| | 29 | NATURAL JOIN DBOwner |
| | 30 | NATURAL JOIN DB |
| | 31 | WHERE DB.Name = '$baddb' |
| | 32 | AND User.UL < 10"; |
| | 33 | $r = fetchRows(DBSelect($sql),'UserId'); |
| | 34 | foreach($r as $addy) { |
| | 35 | $mailtos[] = $addy['Email']; |
| | 36 | $mailnames[] = $addy['Name']; |
| | 37 | } |
| | 38 | if (empty($mailtos)) continue; |
| | 39 | $mailto = implode(', ',$mailtos); |
| | 40 | $mailname = implode(', ',$mailnames); |
| | 41 | $mailsubj = "[sql] Slow Query on $baddb"; |
| | 42 | $mailbody = "Dear $mailname: |
| | 43 | |
| | 44 | A slow query was found on your database: $baddb |
| | 45 | It took $badtime seconds and has been aborted. |
| | 46 | |
| | 47 | We do not allow inefficient SQL queries to run this long. Your query has |
| | 48 | been appended to this message for your records. Please optimize your |
| | 49 | queries to avoid having your queries killed in the future. If you have any |
| | 50 | questions, please contact sql@mit.edu. |
| | 51 | |
| | 52 | This SQL Service is available at sql.mit.edu. |
| | 53 | |
| | 54 | --------------------------------------------------------------------------- |
| | 55 | |
| | 56 | $badquery"; |
| | 57 | |
| | 58 | mysql_query('KILL '.$badproc['Id']); |
| | 59 | mail($mailto,$mailsubj,$mailbody,"From: SQL Service <sql@mit.edu>\r\nBcc: sql@mit.edu\r\n"); |
| | 60 | } |
| | 61 | |
| | 62 | ?> |
andersk / sql-web.git / blame_incremental