[cl-prevalence-devel] simple-array serialization patch

[Sven Van Caekenberghe]

On 06 Apr 2007, at 19:24, Michael J. Forster wrote:

>>> BTW, I would like to say that cl-prevalence is fantastic.  We've  
>>> been using
>>> it for five non-trivial (>25 classes, avg. 3000 instances per  
>>> class) webapps
>>> without a hitch for almost a year now.
>>
>> That is very nice to hear: could you give some more details, like:
>>
>> - what CL implementation you are using ?
>
> We develop with LW 4.4 and 5.0 on Mac and Windows; we deploy to CMUCL
> 19b on FreeBSD and LW 5.0 on Mac.
>
>> - what serialization you are using ?
>
> We've tried both and would prefer to use the sexp format for its  
> greater
> readability.  However, we started with xml and haven't had an  
> opportunity to
> change it.
>
>> - machine details ?
>
> Dell 2U
> Intel P4 3.2GHz
> 4GB RAM
> 160GB usable disk, RAID1
>
> Apple Xserve
> G5 Dual 2.3GHz
> 2GB RAM
> 140GB usable disk, RAID 5
>
>> - the typical sizes of you transaction and snapshot files ?
>> - total number of objects under prevalence, 75000 ?
>> - rate of change (transaction log growth per day or so) ?
>> - size of the image ?
>
> I will collect some stats over the next few weeks and post them.
>
>> - do you have any GC problems ?
>
> None that we've detected, though, without any outward signs of  
> memory exhaustion,
> dying processes, or poor overall application performance, we  
> haven't gone looking
> for trouble.  I will start recording the GC stats as well.

This sounds like an awesome application!
I am glad CL-PREVALENCE helped you in achieving your goals.

Regards,

Sven