[openstack-dev] [oslo][oslo.db] MySQL Cluster support

Mike Bayer mbayer at redhat.com
Thu Feb 2 20:25:16 UTC 2017

On 02/02/2017 02:52 PM, Mike Bayer wrote:
> But more critically I noticed you referred to altering the names of
> columns to suit NDB.  How will this be accomplished?   Changing a column
> name in an openstack application is no longer trivial, because online
> upgrades must be supported for applications like Nova and Neutron.  A
> column name can't just change to a new name, both columns have to exist
> and logic must be added to keep these columns synchronized.

correction, the phrase was "Row character length limits 65k -> 14k" - 
does this refer to the total size of a row?  I guess rows that store 
JSON or tables like keystone tokens are what you had in mind here, can 
you give specifics ?

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