[Yanel-dev] Data saving/writing locking

[simon litwan]

Michael Wechner schrieb:
> Hi
>
> It happens that one wants to do data maintenance in the background, 
> for example migrate from one repository to another
> and hence all write/save access to data should be disabled.
>
> Normally this is no problem with "editors", because one can tell them, 
> but for example with regular end-users who fill out a form and an 
> entry gets registered that doesn't work out.
>
> I currently see two possibilities:
>
> 1) Somehow introduce a switch to block all write/save access via an API
i would welcome this. see also my mail 
http://lists.wyona.org/pipermail/yanel-development/2007-February/000457.html
>
> 2) Use a clustered environment where each cluster node can have it's 
> own repository which get synchronized somehow
> and hence one cluster node can be turned off and the corresponding 
> repository can by synchronized after maintenance with the productive 
> one and then the other way around
i think this problem should not only be solved by using a cluster. i 
think yanel should run within a cluster and without.

simon
>
> Any other ideas?
>
> Thanks
>
> Michi