Updated openstack/openstack
Project: openstack/ceilometer  2b562814cc4cae9457012c8b893ae3b5fc10076f

Improve performance of api requests with hbase scan

Added columns argument to hbase scan requests, it allows to
reduce response size. With this patch we get only required for
filtering cells of scanned rows.

Change-Id: I2c15276965db1dec6a0e9f595ee7c83b33e4cff2