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Commit | Line | Data |
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6eacda6d JP |
1 | <?php |
2 | ||
aaaa7a8f | 3 | @chdir(dirname(__FILE__).'/../'); |
6eacda6d JP |
4 | require_once('mitsql.cfg.php'); |
5 | require_once('mitsql.lib.php'); | |
6 | define('MAX_PROC_TIME', 10); | |
7 | ||
6eacda6d JP |
8 | $baddbs = $badusers = $bad = array(); |
9 | $result = mysql_query('SHOW FULL PROCESSLIST'); | |
10 | while ($row = mysql_fetch_assoc($result)){ | |
11 | if ($row['Time']>MAX_PROC_TIME && $row['Command']!='Sleep') { | |
12 | $bad[] = $row; | |
13 | $baddbs[] = $row['db']; | |
14 | $badusers[] = $row['User']; | |
15 | } | |
16 | } | |
17 | mysql_free_result($result); | |
18 | ||
19 | foreach($bad as $badproc) { | |
20 | $mailtos = $mailnames = array(); | |
21 | $baddb = mysql_escape_string($badproc['db']); | |
22 | $badtime = $badproc['Time']; | |
23 | $badquery = $badproc['Info']; | |
24 | mysql_query('KILL '.$badproc['Id']); | |
25 | if (empty($baddb)) continue; | |
26 | $sql = "SELECT User.UserId,User.Name,User.Email | |
27 | FROM `User` | |
28 | NATURAL JOIN DBOwner | |
29 | NATURAL JOIN DB | |
30 | WHERE DB.Name = '$baddb'"; | |
31 | $r = fetchRows(DBSelect($sql),'UserId'); | |
32 | foreach($r as $addy) { | |
33 | $mailtos[] = $addy['Email']; | |
34 | $mailnames[] = $addy['Name']; | |
35 | } | |
36 | $mailto = implode(', ',$mailtos); | |
37 | $mailname = implode(', ',$mailnames); | |
38 | $mailsubj = "[sql] Slow Query on $baddb"; | |
39 | $mailbody = "Dear $mailname: | |
40 | ||
41 | A slow query was found on your database: $baddb | |
42 | It took $badtime seconds and has been aborted. | |
43 | ||
ba8e5719 JP |
44 | We do not allow inefficient SQL queries to run this long. Your query has |
45 | been appended to this message for your records. Please optimize your | |
46 | queries to avoid having your queries killed in the future. If you have any | |
47 | questions, please contact sql@mit.edu. | |
6eacda6d | 48 | |
ba8e5719 | 49 | This SQL Service is available at sql.mit.edu. |
6eacda6d JP |
50 | |
51 | --------------------------------------------------------------------------- | |
52 | ||
53 | $badquery"; | |
54 | ||
55 | $mailto = 'jwp@mit.edu'; | |
56 | mail($mailto,$mailsubj,$mailbody,"From: SQL Service <sql@mit.edu>\r\nBcc: sql@mit.edu\r\n"); | |
57 | } | |
58 | ||
59 | ?> |