GOOGLE CLOUD STORAGE CLASSES, NEARLINE,COLDLINE.

 

STORAGE OPTIONS  IN GOOGLE CLOUD 

AUTO CLASS STORAGE:  You can ONLY use this at the time of creation. This moves your data from one storage to another. If your data has a variety of access pattern . For example, if a customer says they have 5 TB of data and they want to optimize cost further or the client has no idea how often they will access their data. Auto class will be the best option. There's NO RETRIEVAL COST, AUTOMATION, STORAGE. You only pay monthly management fee $0.0025 for every 1000 objects assign to the project. 

STANDARD STORAGE CLASS: This is a frequent accessed data with high performance, low- latency. It is suitable for website content, interactive applications and analytics data. It is more expensive. A used case can be development data, the developer will utilize this on a daily base to analysis logs. 

NEAR LINE STORAGE CLASS: This storage is less frequently( like once a month) assessed and when you need to retrieve data or access it incur additional cost. A used case can be backup or reporting. With minimum storage duration of 30 days. 

COLD LINE STORAGE CLASS: Is a storage class that is infrequently accessed and its slightly higher when retrieving and storing data. The access pattern is every 90 days/ quarterly. 

ARCHIVE STORAGE CLASS: This data are stored for a long period of time and it incur additional cost retrieving and early deletion of data. The minimum storage duration is 365 days. A used case will be long-term backup, compliance or regulatory purposes. 

THE DIFFERENCE BETWEEN STORAGE COST AND RETRIEVAL COST.

STORAGE COST: This is the amount of money you pay based on your data size.

RETRIEVAL COST: The amount you pay to retrieve data from GCS bucket meaning it will download the object and this only apply to Nearline, Coldline, Archive. 

Referencing: Google Cloud documentation.