Re: CPU 100% Usage - too large attachment?

"Michael Borchers" <list@xxxxxxxxxxxx> · Tue, 3 Apr 2007 14:06:45 +0200

We 
still can't tell wha is causing the load. But at least now we have a 
warning:

Fatal error: Maximum execution time of 240 seconds exceeded 
in .../src/read_body.php on line 97 
Here is 
the function. Do you think SM causes this problem or the server?!

/** 
returns the index of the previous message from the array. */
function 
findPreviousMessage($numMessages, $passed_id) {
    global 
$msort, $sort, 
$msgs,

$thread_sort_messages,

$allow_server_sort, $server_sort_array;
    $result = 
-1;
    if (!is_array($server_sort_array)) 
{
        $thread_sort_messages = 
0;
        $allow_server_sort = 
FALSE;
    }
    if ($thread_sort_messages 
|| $allow_server_sort ) {

foreach($server_sort_array as $key=>$value) 
{
            if 
($passed_id == $value) 
{

if ($key == 0) 
{

break;

}

$result = $server_sort_array[$key - 
1];

break;

}
        }
    } else 
{
        if (is_array($msort)) 
{
            for 
(reset($msort); ($key = key($msort)), (isset($key)); next($msort)) 
{

if ($passed_id == $msgs[$key]['ID']) 
{

prev($msort);

$key = 
key($msort);

if (isset($key)) 
{

$result = 
$msgs[$key]['ID'];

break;

}

}

}
        }

}
    return $result;
}

  From: 
  Michael 
  Borchers 
  To: squirrelmail 
  Sent: Friday, March 30, 2007 2:12 
PM
  Subject:  CPU 100% Usage - too 
  large attachment?

  PHP Version 4.4.1
  Apache 2.0 
  $config_version = 
  '1.4.4';

  In my main mailbox/inbox I had 3 "small" emails and 
  one big with a 12MB mp3. When I tried clicking any of these 4 
  emails
  Squirrelmail caused a 100% usage on the server and 
  it crashed.

  This happened though the quota was big enough and 
  also the file handling of php was!

  My it be a corrupt header or can Squirrelmail have 
  other problems with handling large attachments this way?!

  Have a nice weekend 
  everybody!

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