[Glass] LZ4 for backups in the near future?

[Norm Green via Glass]

So far the new security features are just for backups.  We can consider 
adding it to extents and tranlogs, but we think performance might be 
better if compression/encryption is handled at the file system level 
using LUKS/dm-crypt rather than at the GemStone level.

Norm

On 6/26/17 12:28, Mariano Martinez Peck wrote:
>
>
> On Mon, Jun 26, 2017 at 4:22 PM, Norm Green 
> <norm.green at gemtalksystems.com <mailto:norm.green at gemtalksystems.com>> 
> wrote:
>
>     Hi Mariano,
>
>     LZ4 backups are in 3.4 for both regular (insecure) backups and the
>     new secure backups.  secure backups are always digitally signed
>     and may be compressed and/or encrypted as well.
>
>
> Wow, that's very good news!!!!
> Let me ask... those features will be only for backups or for extent / 
> tranlogs too?
>
> Cheers,
>
>     Norm
>
>
>
>     On 6/26/17 12:12, Mariano Martinez Peck wrote:
>>     Hi Norm,
>>
>>     Do you know if LZ4 backups are finally gonna make it for 3.4?
>>
>>
>>     On Mon, Mar 14, 2016 at 11:28 PM, Mariano Martinez Peck
>>     <marianopeck at gmail.com <mailto:marianopeck at gmail.com>> wrote:
>>
>>         Thanks Norm. That's good to hear!!
>>
>>
>>         On Fri, Mar 11, 2016 at 10:37 AM, Norm Green via Glass
>>         <glass at lists.gemtalksystems.com
>>         <mailto:glass at lists.gemtalksystems.com>> wrote:
>>
>>             We plan to support LZ4 backups in the next major release
>>             (3.4).
>>
>>
>>             On 3/11/2016 4:54 AM, Mariano Martinez Peck via Glass wrote:
>>>             Hi guys,
>>>
>>>             I was reading the release notes of 3.3 and I was very
>>>             glad to see you started using LZ4. I made a Pharo
>>>             wrapper for LZ4 [1] long ago when I was testing Fuel
>>>             serializer with compressed streams.
>>>
>>>             Anyway, I was very happy with LZ4 performance. My
>>>             backups of the extent takes quite some time in the
>>>             compressing part (much more than in the smalltalk
>>>             side!). So I was wondering if using LZ4 is in the plans
>>>             or not (I read in the release notes that this is NOT
>>>             used currently for backups...but I wonder if there is a
>>>             technical reason or only a matter of time).
>>>
>>>             Thanks in advance,
>>>
>>>
>>>             [1] http://smalltalkhub.com/#!/~marianopeck/LZ4
>>>             <http://smalltalkhub.com/#%21/%7Emarianopeck/LZ4>
>>>
>>>             -- 
>>>             Mariano
>>>             http://marianopeck.wordpress.com
>>>             <http://marianopeck.wordpress.com>
>>>
>>>
>>>             _______________________________________________
>>>             Glass mailing list
>>>             Glass at lists.gemtalksystems.com
>>>             <mailto:Glass at lists.gemtalksystems.com>
>>>             http://lists.gemtalksystems.com/mailman/listinfo/glass
>>>             <http://lists.gemtalksystems.com/mailman/listinfo/glass>
>>
>>
>>             _______________________________________________
>>             Glass mailing list
>>             Glass at lists.gemtalksystems.com
>>             <mailto:Glass at lists.gemtalksystems.com>
>>             http://lists.gemtalksystems.com/mailman/listinfo/glass
>>             <http://lists.gemtalksystems.com/mailman/listinfo/glass>
>>
>>
>>
>>
>>         -- 
>>         Mariano
>>         http://marianopeck.wordpress.com
>>         <http://marianopeck.wordpress.com>
>>
>>
>>
>>
>>     -- 
>>     Mariano
>>     http://marianopeck.wordpress.com <http://marianopeck.wordpress.com>
>
>
>
>
> -- 
> Mariano
> http://marianopeck.wordpress.com

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.gemtalksystems.com/mailman/private/glass/attachments/20170626/275716d7/attachment.html>