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RDS TE note (RDS Multi-AZ (DB endpoint get switched from new master after…

- - - - storage I/O my be suspended
- - - - genral purpose storage
      - Magnetic storage
      - Provisioned IOPS
  - - - automated database backups and any customer-initiated DB snapshots you have in a region. Increasing your backup retention period or taking DB snapshots increases the backup storage consumed by your account.
      - •Backup storage is allocated by region. Total backup storage space is equivalent to the sum of the storage for all backups in that region.
      - •Moving a DB snapshot to another region increases backup storage in the destination region.
      - •There is no additional charge for backup storage up to 100% of your total database storage for a regi
- - - - Cognos
        
        Provide reporting, analytics, scorecarding
      - Jaspersoft
        
        provides advanced report server capabilities such as report scheduling and permissions
      - SQL Server Reporting
      - Oracle Hyperion
      - SAP Netweaver
        
        rovides usage types for analytics
  - - - Sum of phone sales in Asia
      - Unit cost per phone
      - Sale price per phone
      - total phone sold
- - - - action can apply
        
        Apply the maintenance items immediately.
        
        Schedule the maintenance items to start during your next maintenance window.
        
        Take no action.
        
        If the maintenance value is next window, defer the maintenance items by choosing Defer upgrade from Actions. You can't defer a maintenance action if it has already started.
      - will tell which time and which date
- - - - default allocated is 20G. so 90% * 20G =18G
    - - The additional storage is in increments of whichever of the following is greater:
      - 5 GiB
      - 10 percent of currently allocated stor
- - - - The database couldn’t handle the large amount of data, coz RDS is up to TB.
      - Must turn RDS instance if scale up
      - If want to hanld > TB, tuse dynamodB
      - change the instance type
    - - by adding more read replica
      - by doing sharding, A to M to 1 RDS, N to Z another RDS intance