where does 32it vs 64bit matter?

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where does 32it vs 64bit matter?

by Chris Withers :: Rate this Message:

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Hi All,

I have a set of ZODBs, they're currently served from a 64-bit mysql
cluster running relstorage.

At the moment, all the clients are 32-bit. At some point, those may be
changing to be 64-bit.

What are the implications of this?
Do all relstorage clients need to be the same bit width?
What about FileStorage and ZEO connections?

Are there any migration steps or minimum ZODB/RelStorage versions needed
to make this step?

cheers,

Chris

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Re: where does 32it vs 64bit matter?

by Alan Runyan-3 :: Rate this Message:

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On Wed, Dec 21, 2011 at 12:35 PM, Chris Withers <chris@...> wrote:
Hi All,

I have a set of ZODBs, they're currently served from a 64-bit mysql cluster running relstorage.

At the moment, all the clients are 32-bit. At some point, those may be changing to be 64-bit.

What are the implications of this?
Do all relstorage clients need to be the same bit width?
What about FileStorage and ZEO connections?

Are there any migration steps or minimum ZODB/RelStorage versions needed to make this step?

We run 32bit windows clients against 64bit linux zeo server; works fine.  
 
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Re: where does 32it vs 64bit matter?

by Chris Withers :: Rate this Message:

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Hi Alan,

On 21/12/2011 20:12, Alan Runyan wrote:
>     Are there any migration steps or minimum ZODB/RelStorage versions
>     needed to make this step?
>
>
> We run 32bit windows clients against 64bit linux zeo server; works fine.

Good to know, but my concern is taking a system which is currently
running 32-bit clients against RelStorage running on a MySQL on a 64-bit
server and replacing the 32-bit clients with 64-bit clients.

Is that going to cause any issues?
Has anyone done any similar migrations?

cheers,

Chris

--
Simplistix - Content Management, Batch Processing & Python Consulting
             - http://www.simplistix.co.uk
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Re: where does 32it vs 64bit matter?

by Marius Gedminas-4 :: Rate this Message:

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On Tue, Jan 03, 2012 at 06:54:32AM +0000, Chris Withers wrote:

> On 21/12/2011 20:12, Alan Runyan wrote:
> >    Are there any migration steps or minimum ZODB/RelStorage versions
> >    needed to make this step?
> >
> >We run 32bit windows clients against 64bit linux zeo server; works fine.
>
> Good to know, but my concern is taking a system which is currently
> running 32-bit clients against RelStorage running on a MySQL on a
> 64-bit server and replacing the 32-bit clients with 64-bit clients.
>
> Is that going to cause any issues?
> Has anyone done any similar migrations?
With RelStorage - no.  With FileStorage - yes.  No issues after moving
a few Data.fs'es from 32-bit to 64-bit Linux machines.

Marius Gedminas
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Re: where does 32it vs 64bit matter?

by Shane Hathaway :: Rate this Message:

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On 01/02/2012 11:54 PM, Chris Withers wrote:
> Good to know, but my concern is taking a system which is currently
> running 32-bit clients against RelStorage running on a MySQL on a 64-bit
> server and replacing the 32-bit clients with 64-bit clients.
>
> Is that going to cause any issues?

That will not introduce any new data storage issues, no.

Shane
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