Merge "Enforce reverse time-order for sample return"

2013-06-19 11:17:59 +00:00
parent 0239a3af4a 1961ec9c73
commit e1a8517369
3 changed files with 53 additions and 24 deletions
--- a/ceilometer/storage/impl_mongodb.py
+++ b/ceilometer/storage/impl_mongodb.py
@@ -450,7 +450,9 @@ class Connection(base.Connection):
        if limit == 0:
            return
        q = make_query_from_filter(sample_filter, require_meter=False)
-        samples = self.db.meter.find(q).limit(limit or 0)
+        samples = self.db.meter.find(q, limit=limit,
+                                     sort=[("timestamp", pymongo.DESCENDING)])
+
        for s in samples:
            # Remove the ObjectId generated by the database when
            # the sample was inserted. It is an implementation