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Hi,

When we first installed Ceilometer we installed using mysql as a backing
database.  We are reconsidering this decision based on performance
concerns and others' experiences, and want to move to Mongodb.

Does anyone have any tips and ideas for how we could migrate our
existing data from mysql to mongodb?  I appreciate that this is a
database migration query rather than a Ceilometer query, but someone
here might have experience to share.

Many thanks
Xav