Choosing the right database is a critical choice when building any software application. All databases have different strengths and weaknesses when it comes to performance, so deciding which database has the most benefits and the most minor downsides for your specific use case and data model is an important decision. Below you will find an overview of the key concepts, architecture, features, use cases, and pricing models of Datadog and MySQL so you can quickly see how they compare against each other.

The primary purpose of this article is to compare how Datadog and MySQL perform for workloads involving time series data, not for all possible use cases. Time series data typically presents a unique challenge in terms of database performance. This is due to the high volume of data being written and the query patterns to access that data. This article doesn’t intend to make the case for which database is better; it simply provides an overview of each database so you can make an informed decision.

Datadog vs MySQL Breakdown


 
Database Model

Cloud observability platform

Relational database

Architecture

Cloud-based SaaS platform

MySQL uses a client-server model with a multi-layered server design. It supports the SQL query language and offers various storage engines, such as InnoDB and MyISAM, for different use cases. MySQL can be deployed on-premises, in the cloud, or as a managed service.

License

Close source

GNU General Public License v2 (for the open-source Community Edition)

Use Cases

Infrastructure monitoring, application performance monitoring, log management

Web applications, e-commerce, data warehousing, content management systems, business applications

Scalability

Horizontally scalable with built-in support for multi-cloud and global deployments.

Supports vertical scaling by adding more resources to a single node; horizontal scaling can be achieved through replication, sharding, and third-party tools

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Datadog Overview

Datadog is a monitoring and analytics platform that integrates and automates infrastructure monitoring, application performance monitoring (APM), and log management to provide unified, real-time observability of an organization’s entire technology stack. Founded in 2010, Datadog has rapidly become a go-to solution for cloud-scale monitoring, offering SaaS-based capabilities that enable businesses to improve agility, increase efficiency, and provide end-to-end visibility across dynamic, high-scale infrastructures.

MySQL Overview

MySQL is an open source relational database management system that was first released in 1995. It is one of the most popular databases worldwide due to its ease of use, reliability, and performance. MySQL is widely used for web applications, online transaction processing, and data warehousing. Oracle Corporation acquired MySQL in 2010, but it remains open source software with an active community of contributors.


Datadog for Time Series Data

Datadog excels in handling time series data through its metrics-based architecture. It is optimized for collecting and analyzing data points over time, such as CPU usage, memory consumption, or request latency. While Datadog is not a dedicated time series database, it integrates features like long-term data retention, aggregation, and visualization that make it well-suited for monitoring time-dependent metrics. However, it might not be the ideal choice for massive-scale, real-time analytics compared to specialized time series databases like InfluxDB.

MySQL for Time Series Data

MySQL can be used for storing and analyzing time series data, but it will not be as efficient as a dedicated time series databases. MySQL’s flexibility and support for various indexing techniques can make it a suitable choice for small to medium sized time series datasets. For large-scale time series data workloads, with high write throughput or use cases where low latency queries are required, MySQL will tend to struggle unless highly customized.


Datadog Key Concepts

  • Datadog Agent: The Datadog Agent is a lightweight software installed on your servers, containers, or endpoints to collect and report metrics, logs, and traces. It acts as the primary bridge between your systems and the Datadog platform.
  • Dashboards: Dashboards in Datadog provide a customizable interface to visualize metrics, logs, and traces. They support various widgets, including time-series graphs, gauges, and heat maps, to present data in a meaningful way.
  • Integration : Datadog supports over 600 integrations to connect with various technologies, such as databases, cloud providers, and container orchestrators. Each integration collects relevant metrics, logs, and events and may require specific configuration via the Agent.
  • Events: Events are data that are streamed to Datadog via Agents, integrations, or custom applications. They are streamed to Datadog and can be used for filtering and correlating what is happening in your application
  • Tagging : Tags are metadata assigned to metrics, logs, and traces to group, filter, and search data. Effective use of tags, such as environment, region, or service, is crucial for organizing and analyzing data efficiently.

MySQL Key Concepts

  • Table: A collection of related data organized in rows and columns, which is the primary structure for storing data in MySQL.
  • Primary Key: A unique identifier for each row in a table, used to enforce data integrity and enable efficient querying.
  • Foreign Key: A column or set of columns in a table that refers to the primary key in another table, used to establish relationships between tables.


Datadog Architecture

Datadog employs a SaaS (Software-as-a-Service) model with a highly distributed, cloud-based architecture. It uses agents to collect data from various sources, which are then processed and stored in Datadog’s cloud. The platform supports both structured and unstructured data, and its backend utilizes modern distributed systems principles to ensure scalability and reliability. Key components include the data ingestion pipeline, a metrics store, a logs processing system, and a query engine.

MySQL Architecture

MySQL is a relational database management system that uses SQL for defining and manipulating data. It follows the client-server model, where a MySQL server accepts connections from multiple clients and processes their queries. MySQL’s architecture includes a storage engine framework that allows users to choose from different storage engines, such as InnoDB, MyISAM, or Memory, to optimize the database for specific use cases.

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Datadog Features

Real-time dashboards

Datadog offers customizable, real-time dashboards that enable users to monitor a variety of metrics, traces, and logs all in one place. This centralized view aids in quick issue detection and resolution. These dashboards are interactive, enabling drilling down into granular details, facilitating precise troubleshooting and root cause analysis.

Automated alerts

Automated alerts in Datadog can notify teams of any issues or anomalies in real-time. These alerts can be fine-tuned to avoid noise and false positives, ensuring that only actionable insights get attention. They can also be integrated with third-party communication tools like Slack or PagerDuty for a seamless incident response.

Synthetic monitoring

Datadog’s synthetic monitoring allows users to simulate user transactions and monitor uptime, latency, and functionality of applications. This feature ensures that critical endpoints remain available and performant.

MySQL Features

ACID compliance

MySQL supports transactions and adheres to the ACID (Atomicity, Consistency, Isolation, Durability) properties, ensuring data integrity and consistency.

Scalability

MySQL can scale both vertically and horizontally, depending on the storage engine and configuration.

Replication and high availability

MySQL supports various replication techniques, including master-slave and master-master replication, to provide high availability and fault tolerance.


Datadog Use Cases

Infrastructure monitoring

One of the primary use-cases for Datadog is real-time infrastructure monitoring. Businesses can keep tabs on servers, containers, databases, and more, all in one place. The comprehensive coverage helps teams quickly identify performance bottlenecks or availability issues, thereby minimizing downtime and enhancing system reliability.

Application performance monitoring

Datadog’s APM capabilities enable organizations to trace requests as they traverse through various services and components of an application. This is essential for microservices architectures where understanding the interactions between services can be complex. It helps in identifying slow services that could be affecting the application’s overall performance.

Security monitoring

Datadog assists organizations in monitoring security-related events by collecting logs and metrics from various sources. It helps in detecting unusual activities, unauthorized access, and potential threats. By correlating data across the stack, security teams can investigate incidents more effectively. Datadog’s compliance monitoring features support adherence to standards like PCI DSS, HIPAA, and GDPR.

MySQL Use Cases

Web applications

MySQL is a popular choice for powering web applications, content management systems, and e-commerce platforms due to its flexibility, ease of use, and performance.

Online transaction processing (OLTP)

MySQL is suitable for OLTP systems that require high concurrency, fast response times, and support for transactions.

Data warehousing

While not specifically designed for data warehousing, MySQL can be used for small to medium-sized data warehouses, leveraging its support for indexing, partitioning, and other optimization techniques.


Datadog Pricing Model

Datadog uses a modular, usage-based pricing model where customers pay based on the specific products and volume of data they use. Pricing is typically divided among different products like Infrastructure Monitoring, APM, Logs, and more. Each product has its own pricing structure, often based on the number of hosts, instances, or data ingested. Datadog offers a Free tier with limited features and data caps, as well as Pro and Enterprise tiers that provide advanced features and higher limits.

MySQL Pricing Model

MySQL is available in multiple editions with different feature sets and pricing models. The MySQL Community Edition is open source and free to use, while the MySQL Enterprise Edition includes additional features, such as advanced security, monitoring, and management tools, and requires a subscription. Pricing for the Enterprise Edition depends on the number of server instances and the level of support required.