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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', 30); | |
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 | if (empty($baddb)) continue; | |
25 | $badtime = $badproc['Time']; | |
26 | $badquery = $badproc['Info']; | |
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)) { | |
39 | echo "No email found for $baddb\n"; | |
40 | continue; | |
41 | } | |
42 | $mailto = implode(', ',$mailtos); | |
43 | $mailname = implode(', ',$mailnames); | |
44 | $mailsubj = "[sql.mit.edu] Slow Query on $baddb"; | |
45 | $mailbody = "Dear $mailname: | |
46 | ||
47 | A slow query was found on your database: $baddb | |
48 | It took $badtime seconds and has been aborted. | |
49 | ||
50 | We do not allow inefficient SQL queries to run this long. Your query has | |
51 | been appended to this message for your records. Please optimize your | |
52 | queries to avoid having your queries killed in the future. If you have any | |
53 | questions, please contact sql@mit.edu. | |
54 | ||
55 | The SQL Service | |
56 | Email: <sql@mit.edu> | |
57 | Web: http://sql.mit.edu/ | |
58 | ||
59 | --------------------------------------------------------------------------- | |
60 | ||
61 | $badquery"; | |
62 | ||
63 | mysql_query('KILL '.$badproc['Id']); | |
64 | mail($mailto,$mailsubj,$mailbody,"From: SQL Service <sql@mit.edu>\r\nBcc: sql@mit.edu\r\n"); | |
65 | } | |
66 | ||
67 | ?> |