fix gnocchi unprocessed measures debug

gate uses gnocchi redis driver so there is no 'measures' folder
anymore. we should dump redis keys related to incoming storage and
the number of unprocessed 'objects'

Change-Id: I639a5b118c96728a8454680bfb33bd057934a534
1 file changed
tree: 1ec8e914f2388d1e178b84c7555bf419739ca12f
  1. ceilometer/