I have explained DynamoDB basics and its main features in my last blog post. If you are meeting with DynamoDB for the first time, you might want to check it out first. In this blog post, I will dig a little bit deeper but it’s still going to be basics. 👷🏼♀️
Let’s talk about On-Demand and Provisioned Capacity differences.
Basically it is good for;
Basically it is good for;
DynamoDB is a fully managed database so its pricing is not straightforward. There are some tips that can help you to optimize your costs. Let’s dive in! 🤿
Firstly, you need to select your region wisely. You can provision your tables in cheaper regions if you aren't concerned about the location of your data because you don't need to fulfill any legislation or compliance criteria.
Cheapest regions are; us-east-1, us-east-2, us-west-2, eu-north-1, eu-west-1.
DynamoDB includes two methods for retrieving a collection of items: Query and Scan. While they appear to serve the same goal, there is a significant difference between them. Query does a direct lookup to a particular partition based on primary or secondary partition/hash key, whereas Scan "scans" the whole database.
Queries will be much cheaper since you are charged only for items which are returned. In the scan case, you're being charged for all the rows scanned.
DynamoDB uses size dependent billing for both on-demand and provisioned capacity mode. Always strive to keep your records as short as possible. This helps you save storage by reducing the amount of data you need to store.
Saving photos to DynamoDB is like fueling your hybrid car full of gasoline. You can, but why use DynamoDB when you have an ore like S3? It will skyrocket your costs. Simply save your image in S3 and put the URL on DynamoDB.
Unused DynamoDB tables drain resources and increase your costs needlessly. Try to spot any tables that aren't in use and remove them. You'll need to go over the read/write operations on your tables to achieve this. Decide on frequency of use and it's an unused table if there hasn't been any read/write action in these given periods.
You may use AWS's free tier to scale up your operations. The free tier of DynamoDB has 25 GB of storage, 25 provisioned write capacity units (WCU), and 25 provisioned read capacity units (RCU). You can utilize these resources for up to a year for free, which will lower your monthly DynamoDB subscription cost.
Thank you for joining my adventure with DynamoDB; hope this article will help you. Don’t forget to check our other blog posts! Stay tuned for more! 🤓
A technology nerd, specializing in interpreting data and marketing, Melih is eager to learn and share his knowledge of business technologies. He is always extremely curious to learn more about how technology impacts organizations.
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