[horde] Max memory message for ActiveSync

[Simon Wilson]

----- Message from Michael J Rubinsky <mrubinsk at horde.org> ---------
     Date: Tue, 15 Oct 2013 10:36:46 -0400
     From: Michael J Rubinsky <mrubinsk at horde.org>
Reply-To: mrubinsk at horde.org
  Subject: Re: [horde] Max memory message for ActiveSync
       To: horde at lists.horde.org


> Quoting Simon Wilson <simon at simonandkate.net>:
>
>> Michael R, what does this mean in the logs:
>>
>> 2013-10-15T11:07:59+00:00 DEBUG: Maximum memory usage for  
>> ActiveSync request: 24297544
>>
>> 2013-10-15T21:11:23+10:00 DEBUG: Maximum memory usage for  
>> ActiveSync request: 45539816
>>
>> Seeing a few of them, wondering if it is a significant notification.
>
> It's a dubug message, indicating the maximum amount of memory used  
> during the processing of the activesync request. I added it to aid  
> in some refactoring I was doing to improve memory usage and  
> performance.
>
> -- 
> mike
>
> The Horde Project (www.horde.org)


Mike - one other thing from the device logs. Up to about 15 times in a  
minute or so for each of my devices, then with pauses of up to 10 / 15  
minutes, I see a lot of lines that start like this:

2013-10-16T20:38:44+10:00 INFO: [12961] Replacing SYNC_CACHE entry for  
user simon and device SEC10D1C297BE813:  
a:11:{s:18:"confirmed_synckeys";a:0:{}s:17:"lasthbsyncstarted";i:1381919893;s:17:"lastsy

I haven't done the whole line, because the single line contains nearly  
90KB of text. As a result the device logs grow very rapidly - I have  
seen daily device logs at over 250MB. I'm assuming it is not all  
transmitted to/from the device as I would have blown my data allowance  
if it was.

Is this normal to be repeating this so often with such large amounts of data?

E.g. from one log, grepped for the SYNC_CACHE string:

2013-10-16T10:38:08+00:00 INFO: [12957] Replacing SYNC_CACHE entry...
2013-10-16T10:38:08+00:00 INFO: [13225] Replacing SYNC_CACHE entry...
2013-10-16T20:38:08+10:00 INFO: [12957] Replacing SYNC_CACHE entry...
2013-10-16T10:38:09+00:00 INFO: [13225] Replacing SYNC_CACHE entry...
2013-10-16T10:38:09+00:00 INFO: [17557] Replacing SYNC_CACHE entry...

There were 6 more within the next 5 seconds.

The devices' ActiveSync connections appear to be working normally.

Simon





--
Simon Wilson
M: 0400 12 11 16
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