David T. Lewis
lewis at mail.msen.com
Fri Mar 31 02:35:32 UTC 2017
Thanks Chris, I'll give it a try.
On Thu, Mar 30, 2017 at 08:37:13PM -0500, Chris Muller wrote:
> Hi Dave,
> Yes, because of the format change I used Ma object serializer, because
> it is mostly agnostic to the squeak version. I've attached version of
> Ma Object Serializer of that time which can run correctly in that
> image. After loading that SAR, you can export the object with
> something like this:
> MaObjectSerializer new fileOut: SSRepository current storage
> toFileNamed: 'data.obj.ma' in: FileDirectory default.
> Now, you can go into a 5.1 / recent image and use Ma object serializer
> to load it. Unfortunately, there was a minor file-format change since
> that 2009 version, so you have to use that same version to load it
> initially. Load the same SAR into the 5.1 image to iniitally load the
> MaObjectSerializer fileIn: '/the/fully/qualified/filename' "inspect it?"
> Now you can finally load Ma Serializer 1.6 from SqueakMap, and export
> the object one last time, this time in the "new" Ma format.
> MaObjectSerializer new fileOut: self toFileNamed: 'data.obj' in:
> FileDirectory default
> It should now be ready to use with the latest code at
> source.squeak.org/ss. You can test with just the data.obj file you
> don't need any of the MCZ's.
> When the time comes, we should run the new server with just good ol'e
> SSFilesystem repository. No image persistence and no Magma. The save
> time is slow, but it runs in the background and if new commits come in
> in the meantime, it'll just save again after the current save is done.
> It keeps the last 35 or so generations of backup obj files.
> - Chris
> On Thu, Mar 30, 2017 at 6:01 PM, David T. Lewis <lewis at mail.msen.com> wrote:
> > On Fri, Mar 24, 2017 at 01:57:25PM -0500, Chris Muller wrote:
> >> Squeaksource is important. Is there any reason not to update the
> >> image and code ASAP?
> > Hi Chris,
> > I have not had much time to look at this, but can you say anything about what
> > is required to read the serialized repository from the old image into an up to
> > date SqueakSource image? I think I remember you saying that you had used Magma
> > serializer to do this, but I don't know what issues may have been involved.
> > I have tried generating a new data.obj from the current squeaksource.com image,
> > then loading it into Squeak 4.6 or a 32-bit Squeak 5.0, but ReferenceStream
> > deserializing is failing fairly early in the load. The data.obj is fine, because
> > I can reload it into the original image. But I am not able to load it into
> > either the V3 or Spur 32 bit images with newer SqueakSource package, so I am
> > suspecting that this may be something to do with class changes in the SqueakSource
> > package. I can probably figure it out, but I thought I should ask you first
> > before I spend much time debugging. Does any of this ring a bell for you?
> > Thanks!
> > Dave
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