[horde] Sessions consuming CPU

[Simon Wilson]

----- Message from Michael M Slusarz <slusarz at horde.org> ---------
    Date: Mon, 14 Nov 2011 23:06:32 -0700
    From: Michael M Slusarz <slusarz at horde.org>
Subject: Re: [horde] Sessions consuming CPU
      To: horde at lists.horde.org


> Quoting Simon Wilson <simon at simonandkate.net>:
>
>> Remove session files, and it comes back.
>> Restart Activesync, and it comes back.
>> Reprovision the iOS devices, and it comes back.
>> REMOVE the iOS devices within Horde Administration, restart httpd  
>> after removing all session files, and let them re-establish their  
>> connections, which they do automatically, and the problem has been  
>> solved.
>>
>> So killing sessions has not fixed it this time, but removing the  
>> ActiveSync devices did.
>>
>> 2 days ago, 2 of them were upgraded to iOS 5.0.1, that's the only  
>> change. The change to iOS 5 happened a week or so ago and this did  
>> not happen then.
>
> In other words... activesync is breaking your installation?  And  
> this syncing is happening from an apple product running the new iOs?
>
> It would not surprise me at all that something with the new ios  
> version is breaking something on the Horde server.  Apple does not  
> do protocols well at all (recent discussion on imap list discovered  
> that new icloud imap server is broken in several very fundamental  
> areas).
>
> Best bet is to capture sync debug data and file a bug.
>
> michael
>

Hmmm..... interesting though that it did not coincide with the iOS  
changes. Also that the problem has gone away with deleting and  
re-adding the devices....

I'll keep an eye on it, if it happens again will run debug logs and  
report back...

Simon