[openstack-dev] Work around DB in OpenStack (Oslo, Nova, Cinder, Glance)

Mark McLoughlin markmc at redhat.com
Thu Jul 11 13:51:02 UTC 2013


On Thu, 2013-07-11 at 13:18 +0400, Boris Pavlovic wrote:
> Mark, John, Nikola,
> 
> 
> Current in oslo we would like to put only 2 functions:
> 
> 1) generic method for creating shadow table
> 2) generic method that the columns are same in shadow and main table
> 
> 
> So migration that adds shadow table could be done after all other
> works, when we finish improving of db-archiving utils (that moves
> deleted rows to shadow tables), to avoid problems that noticed
> Nikola. 
> 
> 
> These 2 functions won't be affected and will be used in future in
> cinder, glance and they are already used in Nova. So I don't see any 
> problem to push it into oslo at this moment. 

It's not clear to me that Cinder or Glance are planning to use these in
the Havana cycle.

>From afar, they both sound like they are part of the current Nova DB
archiving strategy that we're saying needs improvement before it is
adopted by other projects.

Cheers,
Mark.





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