Thursday, June 5, 2008

Re: [ADMIN] Is it possible to convert WAL's between architectures?

On Thu, Jun 5, 2008 at 4:27 PM, Kevin Grittner
<Kevin.Grittner@wicourts.gov> wrote:
>>>> On Thu, Jun 5, 2008 at 5:18 PM, in message
> <dcc563d10806051518w64a1833w269ecc2b377a1519@mail.gmail.com>, "Scott
> Marlowe"
> <scott.marlowe@gmail.com> wrote:
>> On Thu, Jun 5, 2008 at 9:19 AM, Alvaro Herrera
>> <alvherre@commandprompt.com> wrote:
>>> Marcin Kasperski wrote:
>>>>
>>>> As in the title - is it possible to convert WAL for another
> architecture?
>>>>
>>>> (source database on Linux/i386, contemplating chances to restore
>>>> backup on Linux/amd64)
>>>
>>> No.
>>
>> Technically it really IS possible, but I can't imagine investing the
>> time to be able to do so.
>
> We did this by installing the 32 bit libraries and making a 32 bit
> build which ran under the 64 bit OS.

True. But that would only work on 64/32 split OSes where the chipsets
have a 32 bit compatibility mode. You couldn't do that from i386 to
sparc64 for instance.

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