Amazon MemoryDB Multi-Region: Improving Accessibility and Response Time for Distributed Systems Amazon Web Services (AWS) has advanced a gear higher with the general availability of the Amazon MemoryDB Multi-Region. This active-active database solution is fully managed and is aimed to solve the problem which often arises when companies try to maintain high availability of the applications with low latency across different AWS Regions. Conventional management of global applications has been characterized by data replication and conflict, thus posing operational challenges. What used to be a complex process is made simple by Amazon MemoryDB and AWS supports multiple regions for efficient and fast data retrieval.
Tackling the Issues of Multi Region Data Availability
The problem that many developers faced was the ability to get data from different AWS regions, and the greatest issue has always been latency. One common problem with accessing data across regions is getting a response in hundred of milliseconds instead of microseconds as it is common for data within the same region. Also, development of proprietary solutions for data replication and conflict resolution can turn into a problem as it is challenging to scale applications. The Amazon MemoryDB Multi-Region solves these challenges with a simple solution that provides real-time, low latency read and write capabilities while keeping data both durable and available.
Advantages of Amazon MemoryDB Multi-Region
Amazon MemoryDB Multi-Region offers several key benefits that enhance the performance and scalability of applications:
High availability and disaster recovery can be defined as a set of services that allow application and data to be available when and wherever they are needed.
Amazon MemoryDB Multi-Region delivers 99.999% availability to let developers build applications with excellent availability characteristics. If an application is unable to connect to a MemoryDB cluster in its own region, it is able to easily transition to another region’s endpoint. When connection is available, the system makes a copy of data from other regions without much delay.
They also highlighted that low latency is achievable across multiple regions.
Among one of the notable capabilities of Amazon MemoryDB Multi-Region is the microsecond read and single-digit millisecond write latency. Active-active replication makes sure that reads and writes can be made locally from the regions closest to your customers, which means an excellent user experience even if you are scaling up. This replication is done asynchronously, and data is copied from one region to another region within less than one second.
Compliance and Data Residency
When organizations expand internationally, the question of compliance and regulation becomes more and more relevant. Amazon in MemoryDB Multi-Region enables customers to determine where their data is stored, which addresses the data location demands of different regions and sectors.
Automatic Failover and Self Healing
As it is with Amazon MemoryDB, database failovers require no intervention from the user. In the event of a failure, the system will make the replica node with the least latency the new primary node. If this is not possible, MemoryDB offers a new node and replicates from the new principal using distributed transaction log to support business operations.
In this tutorial, you’ll set up your Amazon MemoryDB Multi-Region according to the architecture of the application you want to support.
Installation of Amazon MemoryDB Multi-Region is easy and intuitive as well. Users can create a MemoryDB cluster through web and command line interface, with Multi-AZ feature enabled if there is at least one replica per shard. This automatic configuration minimizes the number of steps that are needed to complete the installation process especially for complicated ones.
To be sure that Multi-AZ is configured for Amazon MemoryDB, users can check the MemoryDB console or use the Trusted Advisor in AWS. In this table, the “Nodes per shard” column can be relied upon to help the users check whether Multi-AZ is enabled. In other words if the value is greater than or equal to two Multi-AZ is active and enabled for high availability. Furthermore, every single Amazon MemoryDB Multi-AZ cluster also qualifies for Service Level Agreement (SLA) update of 99.99% availability.
Performance, scalability and reliability are some of the most important aspects of computer systems that are used to measure the efficiency of any software system.
For the high-performance and scalable service, there is an Amazon MemoryDB Multi-Region service. It supports all manner of applications, from real time analysis to session management for international applications because it is capable of scaling both horizontally and vertically. The service is beneficial for developers and integrates with a standard Redis API, as well as providing the reliability and high throughput of a managed service.
MemoryDB is designed to be distributed for large datasets so it can be located in multiple regions for global applications that require low latency reads and writes and high availability. Its capability to mirror data at different sites in a variety of regions asynchronously decreases the pressure on each node, enhancing the performance of the system and making Amazon MemoryDB a great solution for high-impact applications.
Lastly, Amazon the MemoryDB Multi-Region is a revolutionary solution for companies that run applications that need low latency, high availability, and efficient data replication across multiple regions. It takes care of failover and replication issues, providing an automated service which frees developers to concentrate on creating great applications rather than worrying about such matters. Amazon MemoryDB for Redis Multi-Region offers the benefits such as low latency, automatic failover, and disaster recovery hence it is suitable for organizations seeking to improve on the performance of distributed applications.
source:: aws.amazon.com
