message: Use estimate instead of count when getting number of rows in table
diff: @@ -69,13 +69,13 @@ def tick(cur):
  PROM["db_size"].set(cur.fetchone()[0])
  # Counts for users, streams, commits, objects
  - cur.execute("SELECT count(*) FROM objects;")
  + cur.execute("SELECT reltuples AS estimate FROM pg_class WHERE relname = 'objects';")
  PROM["objects"].set(cur.fetchone()[0])
  - cur.execute("SELECT count(*) FROM streams;")
  + cur.execute("SELECT reltuples AS estimate FROM pg_class WHERE relname = 'streams';")
  PROM["streams"].set(cur.fetchone()[0])
  - cur.execute("SELECT count(*) FROM commits;")
  + cur.execute("SELECT reltuples AS estimate FROM pg_class WHERE relname = 'commits';")
  PROM["commits"].set(cur.fetchone()[0])
  - cur.execute("SELECT count(*) FROM users;")
  + cur.execute("SELECT reltuples AS estimate FROM pg_class WHERE relname = 'users';")
  PROM["users"].set(cur.fetchone()[0])
  # File Imports
  