[Tickets #10776] Re: cpu usage is high (~ 100%)

[bugs at horde.org]

BITTE NICHT AUF DIESE NACHRICHT ANTWORTEN. NACHRICHTEN AN DIESE  
E-MAIL-ADRESSE WERDEN NICHT GELESEN.

Ticket-URL: http://bugs.horde.org/ticket/10776
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  Ticket           | 10776
  Aktualisiert Von | samuel.wolf at wolf-maschinenbau.de
  Zusammenfassung  | cpu usage is high (~ 100%)
  Warteschlange    | IMP
  Version          | 5.0.14
  Typ              | Bug
  Status           | Feedback
  Priorität        | 2. Medium
  Milestone        |
  Patch            |
  Zuständige       |
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samuel.wolf at wolf-maschinenbau.de (2011-12-07 16:45) hat geschrieben:

> You will need to provide an example message that triggers this.  Or   
> else determine where the PHP code is causing full CPU usage.

Activate NOTICE logging in Horde and write the CPU load every minute  
to a logfile.
36 hours happens nothing, than the CPU load of apache2 climb up to  
100%, horde.log show at this time:

2011-12-07T14:18:56+01:00 ERR: HORDE [imp] IMAP read error or IMAP  
connection timed out. [pid 15436 on line 340 of  
"/var/www/https/horde4/imp/lib/Imap.php"]
2011-12-07T14:18:56+01:00 NOTICE: HORDE [imp] PHP ERROR: fwrite():  
send of 10 bytes failed with errno=104 Die Verbindung wurde vom  
Kommunikationspartner zurückgesetzt [pid 15436 on line 3747 of  
"/usr/share/php/Horde/Imap/Client/Socket.php"]
2011-12-07T14:18:56+01:00 NOTICE: HORDE [imp] PHP ERROR: fwrite():  
send of 2 bytes failed with errno=32 Datenübergabe unterbrochen  
(broken pipe) [pid 15436 on line 3749 of  
"/usr/share/php/Horde/Imap/Client/Socket.php"]

Wed Dec  7 14:19:01 CET 2011
www-data 15436  8.8  1.4 762812 30204 ?        RL   14:18   0:05  
/usr/sbin/apache2 -k start

Wed Dec  7 14:20:01 CET 2011
www-data 15436 54.3  1.4 762812 30204 ?        RL   14:18   1:04  
/usr/sbin/apache2 -k start

Wed Dec  7 14:21:01 CET 2011
www-data 15436 69.5  1.4 762812 30204 ?        RL   14:18   2:04  
/usr/sbin/apache2 -k start

Wed Dec  7 14:22:01 CET 2011
www-data 15436 77.0  1.4 762812 30204 ?        RL   14:18   3:04  
/usr/sbin/apache2 -k start

Wed Dec  7 14:23:01 CET 2011
www-data 15436 81.5  1.4 762812 30204 ?        RL   14:18   4:03  
/usr/sbin/apache2 -k start