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What is Continuous Monitoring in DevOps?

Shreya Bose, Technical Content Writer at BrowserStack -

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What is Continuous Monitoring in DevOps?

Fundamentally, Continuous Monitoring(CM), sometimes called Continuous Control Monitoring (CCM), is an automated process by which DevOps personnel can observe and detect compliance issues and security threats during each phase of the DevOps pipeline. Outside DevOps, the process may be expanded to do the same for any segment of the IT infrastructure in question. It helps teams or organizations monitor, detect, study key relevant metrics, and find ways to resolve said issues in real-time.

Continuous Monitoring comes in at the end of the DevOps pipeline. Once the software is released into production, Continuous Monitoring will notify dev and QA teams in the event of specific issues arising in the prod environment. It provides feedback on what is going wrong, which allows the relevant people to work on necessary fixes as soon as possible.

Continuous Monitoring basically assists IT organizations, DevOps teams in particular, with procuring real-time data from public and hybrid environments. This is especially helpful with implementing and fortifying various security measures – incident response, threat assessment, computers, and database forensics, and root cause analysis. It also helps provide general feedback on the overall health of the IT setup, including offsite networks and deployed software.

Goals of Continuous Monitoring in DevOps

  • Enhance transparency and visibility of IT and network operations, especially those that can trigger a security breach, and resolve it with a well-timed alert system.
  • Help monitor software operation, especially performance issues, identify the cause of the error, and apply appropriate solutions before significant damage to uptime and revenue.
  • Help track user behavior, especially right after an update to a particular site or app has been pushed to prod. This monitors if the update has a positive, negative, or neutral effect on user experience.

Types of Continuous Monitoring

  • Infrastructure Monitoring: Monitors and manages the IT infrastructure required to deliver products and services. This includes data centers, networks, hardware, software, servers, storage, and the like. Infrastructure Monitoring collates and examines data from the IT ecosystem to improve product performance as far as possible.
  • Application Monitoring: Monitors the performance of released software based on metrics like uptime, transaction time and volume, system responses, API responses, and general stability of the back-end and front-end.
  • Network Monitoring: Monitors and tracks network activity, including the status and functioning of firewalls, routers, switches, servers, Virtual Machines, etc. Network Monitoring detects possible and present issues and alerts the relevant personnel. Its primary goal is to prevent network downtime and crashes.

Benefits of Continuous Monitoring

  • Better Network Visibility and Transparency: CM offers DevOps teams clarity on the state of the IT infrastructure by automatically collecting and analyzing data to reflect possible outages and important trends.
  • Facilitates Rapid Responses: A primary aspect of CM is implementing an alert system that immediately notifies the right people the minute an IT incident emerges. This enables timely response to security threats or functional stop-gaps, minimizing damage and allowing faster restoration of the system to optimal operational levels.
  • Minimizes System Downtime: Consistent system monitoring and quick, necessary alerts help maintain system uptime by raising the alarm when there is a service outage or any application performance issues.
  • Assists with Healthy Business Performance: Reduction in system downtime also minimizes negative impact on customer experience, thus safeguarding the organization against losses in revenue or credibility. As mentioned before, Continuous Monitoring tools can also be used to track user reactions to software updates, which is useful for several teams – development, QA, sales, marketing, customer service, etc.

Risk Management and Continuous Monitoring

There are numerous tools for every stage of Continuous Monitoring in DevOps. However, before selecting tools, organizations, and DevOps teams must conduct adequate risk assessment and formulate a risk management plan. Developers can only implement an appropriate CM system after a thorough evaluation of compliance systems, governance, and risk factors. These tend to be quite different between organizations depending on their nature; e.g., a private company will have a different view of risk than a government organization.

To facilitate understanding of these metrics, consider asking the following question when looking for tools to implement CM:

  • What is the extent of risk that the organization can withstand and recover from?
  • What are the parameters by which to calculate risk?
  • For each parameter, is it possible to assign values that denote the highest potential risk?
  • What is the level of confidentiality required by the data collected and generated by the organization?
  • What are the consequences of security breaches, hardware, or software failure?

Also Read: Continous Testing in DevOps: A Detailed Guide


Best Practices for Continuous Monitoring in DevOps

Decide what to monitor: Different organizations need to monitor different aspects of their IT landscape. Primarily, the targets are categorized into the following:

1. Server status and health
2. Application performance log
3. System vulnerabilities
4. Development milestones
5. User activity/behavior

As far as possible, try to track parameters belonging to each category.

Use a Full Stack Monitoring Tool: The chosen Configuration Management tool should monitor the entire IT stack end-to-end to provide alerts and resources for issue resolution. In terms of what they should cover, here is a cursory list:

Infrastructure Monitoring: Tool must monitor:

  • Server Availability
  • CPU & Disk Usage
  • Server & System Uptime
  • Response Time to Errors
  • Storage
  • Database Health
  • Storage
  • Security
  • User permissions
  • Network switches
  • Process level usage
  • Relevant performance trends

Network Monitoring: Tool must monitor:

  • Latency
  • Multiple port level metrics
  • Server bandwidth
  • CPU use of hosts
  • Network packets flow

Application Monitoring: Tool must monitor:

  • availability
  • error rate
  • throughput
  • user response time
  • pages with low load speed
  • third-party resource speed
  • browser speed
  • end-user transactions
  • SLA status

What does testing have to do with it?

By now, the article has revealed that Continuous Monitoring, though essential, is a time and resource-intensive process. The CM system will notify when errors occur in released software, which adds to QA and developers’ effort. After every product release, devs and QAs have to move on to other projects, which means that the error they are notified of adds to the strain of their daily operations.

To ensure that the CM system is not going on overdrive, release software that has been thoroughly tested on real browsers and devices. Emulators and simulators simply do not offer the real user conditions that software must run within, making the results of any tests run on them inaccurate. Consider testing websites and apps on a real device cloud, preferably one that offers the latest devices, browsers, and OS versions. This applies to both manual testing and automation testing.

BrowserStack’s real device cloud provides 2000+ real browsers and devices for instant, on-demand testing. It also provides a cloud Selenium grid for automated testing, which can be accelerated by 10X with parallel testing. The cloud also provides integrations with popular CI/CD tools such as Jira, Jenkins, TeamCity, Travis CI, and much more. Additionally, there are in-built debugging tools that let testers identify and resolve bugs immediately.

Continuous Monitoring intends to provide organizations with almost immediate feedback and insight into performance and interactions across servers, networks, and cloud environments, which is pivotal in enhancing operational, security, and business performance. It should be seen as an integral part of every DevOps pipeline, crucial to achieving efficiency, scalability, and better-quality product.

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CI CD Tools DevOps

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