Apache Struts

Website

struts.apache.org

Release Date

-

Categories

#Web Frameworks #Developer Tools #JavaScript Framework #JavaScript Tools

Amazon Aurora

Website

aws.amazon.com

Release Date

2014 October

Categories

#Databases #Relational Databases #Tool #NoSQL Databases

Apache Struts features and specs

• Robust Framework
  Apache Struts is a mature and well-established framework for Java web applications, providing stable and reliable tools for enterprise-level applications.
• MVC Architecture
  Struts adheres to the Model-View-Controller (MVC) design pattern, which separates business logic, presentation, and navigation, making code maintenance and development easier.
• Extensive Documentation
  Struts has comprehensive documentation and a wealth of online resources, including tutorials, community forums, and user guides, which can support developers throughout their projects.
• Rich Tag Library
  It comes with a rich set of custom tags that enhance the JSP (JavaServer Pages) to create dynamic web content easily.
• Plugin Support
  Apache Struts supports various plugins that can extend its functionality, allowing developers to integrate additional features without much effort.

Possible disadvantages of Apache Struts

• Steep Learning Curve
  New developers might find Struts challenging to learn due to its complexity and the need for a good understanding of the MVC architecture and Java web application development.
• Configuration Overhead
  The framework requires extensive XML configuration, which can be cumbersome and time-consuming compared to convention-over-configuration frameworks.
• Performance
  Struts can be slower than some newer, lighter frameworks due to its broader feature set and the overhead associated with its extensive configuration.
• Security Vulnerabilities
  Struts has had notable security vulnerabilities in the past. Although patches and updates are available, it necessitates proactive monitoring and maintenance.
• Outdated Compared to Modern Frameworks
  With the advent of modern frameworks like Spring MVC and JavaServer Faces, some developers consider Struts to be less up-to-date with the latest web development standards and practices.

Amazon Aurora features and specs

• High Performance
  Amazon Aurora is designed to provide up to five times the throughput of standard MySQL and three times the throughput of standard PostgreSQL databases.
• Scalability
  Aurora scales storage automatically, growing from 10GB up to 128TB with no downtime. This automatic scaling makes it ideal for applications with fluctuating workloads.
• High Availability and Durability
  Aurora automatically replicates six copies of data across three availability zones and continuously backs up data to Amazon S3, ensuring durability.
• Security
  Aurora offers multiple layers of security including network isolation using Amazon VPC, encryption at rest using keys that you create and control through AWS Key Management Service (KMS), and encryption of data in transit using SSL.
• Fully Managed
  Aurora is fully managed by AWS, which automates time-consuming administrative tasks such as hardware provisioning, database setup, patching, and backups.
• Compatibility
  Aurora is compatible with MySQL and PostgreSQL, making it easier to migrate existing applications to Aurora with minimal changes.
• Immutability
  Amazon QLDB uses an immutable transaction log, which ensures that all changes to the data are permanent and cannot be deleted or altered. This enables high data integrity and supports cryptographic verification.
• Serverless Architecture
  QLDB is serverless, meaning that it automatically scales according to your needs. You don’t have to worry about managing and provisioning servers, thus reducing operational complexity.
• Integrated with AWS Ecosystem
  Being part of AWS, QLDB can easily integrate with other AWS services, such as AWS Lambda, Amazon S3, and Amazon CloudWatch, providing a seamless experience for building applications.
• ACID Transactions
  QLDB supports ACID (Atomicity, Consistency, Isolation, Durability) transactions, ensuring data integrity, which is crucial for applications that require reliable transaction guarantees.
• Cryptographic Verification
  The ledger uses a cryptographic hashing process to create a chain of blocks, allowing you to verify the integrity of your data over time.

Possible disadvantages of Amazon Aurora

• Cost
  Aurora can be more expensive than traditional RDS instances, particularly for workloads that do not fully utilize its high performance and scalability features.
• Complexity
  The numerous features and configurations can make Aurora complex to manage and tune, especially for those who are not familiar with AWS services.
• Vendor Lock-in
  Adopting Aurora ties you into the AWS ecosystem, which can make it difficult to migrate to other cloud providers or on-premises systems.
• Cold Start Latency
  Aurora Serverless can experience latency during cold starts, which can be problematic for applications requiring instant scalability.
• Limited to AWS Environment
  Aurora is only available within the AWS environment, which can be limiting if your infrastructure spans multiple cloud providers.
• Limited Query Language
  QLDB uses PartiQL, which while powerful, may not support the full range of complex queries and functionality available in more mature query languages like SQL.
• Not a Blockchain
  QLDB provides blockchain-like capabilities but is not a decentralized blockchain. This means it does not have the decentralized features of public blockchains, such as Bitcoin or Ethereum.
• Performance Overhead
  The immutable nature of QLDB can introduce performance overhead, especially for write-heavy applications, which could be a concern in performance-sensitive environments.

Analysis of Apache Struts

Analysis of Amazon Aurora

Finding and Fixing Apache Struts CVE-2017-5638 with Black Duck Hub

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Getting started with Amazon QLDB

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