Re: Cleaning a space

Shay Hassidim wrote:
> With GigaSpaces you can build a simple program that will migrate
> instance1 of version1 of class C into version2.
>

Yep - wouldn't take much to achieve the same thing for Blitz or
Outrigger tho' admittedly you couldn't do it right now but it's not
rocket science per se.

Also, migration of this style can be achieved without support within the
space anyways.

The whole evolution thing is a big (and fun) subject with lots of dark
corners around lifecycles, exact migration strategies etc.

Dan.

> See:
>
> http://www.gigaspaces.com/wiki/display/GS/Schema+Evolution
>
>
>
> Shay
>
>
>
>
>
> -----Original Message-----
> From: Logan, Patrick [mailto:[email protected]]
> Sent: Tuesday, January 23, 2007 4:21 PM
> To: [email protected]
> Subject: Re: Cleaning a space
>
>
>
>> As for using httpmd or changing jar file names to get Outrigger to
>
>> recognize new entry schemas, that won't work since Outrigger does
>
>> all of its class matching baised only on class names, not class
>
>> name/codebase pairs.
>
>
>
> Does Blitz behave the same way? Is this a gap in the javaspaces spec?
>
>
>
> So there is no way to have instance1 of version1 of class C in the
>
> space at the same time as instance2 of version2 of class C?
>
>
>
> What about the situation where the above instance1 is taken, there are
>
> no more instances of version1 of class C in the space, and then along
>
> comes instance2 of version2? Will Outrigger want to use version1 of
>
> the class? Wha'happen?
>
>
>
> Thanks,
>
> Patrick
>
>
>
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