Hi Ivan,
Thanks for the explanation. So now looking at my application it
would work as follows. Whenever a edit to the database has to be made it
will be done as an addition of an XML file, never as a change to an existing
XML. This thing should keep the local buffer of each Sedna still valid only
that the new XML added to the system will not be visible until somehow the
buffer's are refreshed.
Did I understand this correctly? And the only way to refresh those
local buffers would be to restart the sedna instances on each node? Or maybe
run a script on each node to add that new XML into the instance buffer?
Thanks,
Milind
On Thu, Oct 21, 2010 at 6:44 AM, Ivan Shcheklein <shchekl...@gmail.com>wrote:
> Hi Milind,
>
> Thanks for a quick reply. Suppose we have a situation where the database
>> writing is only allowed by 1 privileged user and otherwise the the database
>> is just read only. Is it possible to to create a sort of a shared common
>> disk cluster using Sedna. I mean the database would be stored on the shared
>> disk and multiple nodes can access it but just for read only purpose. Is it
>> possible to configure something like this in Sedna?
>
>
> No, it's not possible either. In this variant each instance of Sedna will
> have its own buffer memory. At least, you need some built-in support to
> guarantee consistency of these buffers across all instances.
>
> Ivan Shcheklein,
> Sedna Team
>
>
--
Milind Gupta
Analog IC Design Engineer
Systems and Power Management Group
Maxim Integrated Products
Sunnyvale
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