Database Scaling Projections

Metric	Current	Last Year	Monthly Growth	12 Month
Database Size (GB, TB, PB)
Average Stored Record Size
Average Collection or Table Size
Largest Collection or Table
Writes / Day
Reads / Day
% Queries Using PK
% Queries Using Non-PK Idx
% Queries Using Aggregations (sort of Mongo or Hive Specific)
% MapReduce Jobs
Avg Records Returned per Query
Avg Record Size Returned per Query
Avg Hash Table Size for UNION or JOIN operations