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Increasing Use of SLOs to Enable Observability

Observability is a growing discipline among most IT and operations departments. To release stable software faster, operators need continuous visibility into metrics like performance, uptime and availability. As a result, engineers are increasing their use of service-level objectives (SLOs) across the board—a recent study found that 82% of companies are increasing their use of SLOs.

SLOs enable deep visibility into specific applications’ performance and are often used by site reliability engineers (SREs) to ensure quality and avoid service interruptions. Not only that, but various teams are correlating SLOs to aspects of the business to reduce cost and help direct decision-making. But while many environments have visibility, there are still gaps present.

Nobl9 recently released a global survey of IT professionals and executives that tracked the state of service-level objectives in 2022. Below, we’ll look at the key findings from the report and consider what they mean for the state of SLOs and observability in general.

State of Observability and SRE

In general, site reliability engineering is still maturing across organizations. Though only 31% of companies have adopted SRE, it’s slated for much future growth, as 46% said they plan to embrace SRE in the future.

These operators are now faced with many cloud-native observability tools, which are producing a sea of data in the form of metrics, logs and traces. A full 39% of companies use anywhere from six to 10 observability and monitoring tools and 35% use more than 11.

With so many tools now deployed, who is using this observability and monitoring data? Namely, at 74% of companies, observability data support operational requirements. Operations teams are the ones most likely to use SLOs to monitor uptime, performance and overall efficiency. After operations teams, security teams also use this observability data (71%), which makes sense as SLOs can inform incident response. Other areas that follow are customer support, compliance and capacity planning.

One interesting finding is that only 42% of companies use SLOs for service-level agreement (SLA) adherence. This indicates that SLOs are most often applied to internal optimizations and decision-making.

Hybrid Environments Complicate Visibility

Companies are mostly tracking SLOs to increase their visibility into networks (83%), databases (76%) and applications (75%). Other top areas include private cloud environments and legacy computing arrangements. But although observability is trending, organizations still lack complete visibility across the entire stack.

Of note is that nearly half (46%) of respondents said their monitoring and observability tools don’t provide full visibility into all of their company’s IT assets. For example, only 45% of companies have visibility into their containers and just 35% have visibility into their microservices architecture.

A lack of full-stack visibility may be complicated due to rising hybrid and multi-cloud conditions, as 78% say a hybrid cloud environment makes monitoring infrastructure more difficult.

Benefits of Tracking SLOs

The report defined SLO as “a performance and availability target set for a given system, application [or] service over time.” And the benefits are readily apparent for organizations following such targets—they can help increase performances, direct decision-making and help avoid outages.

As a result, 70% of companies are currently using SLOs in some fashion. Here are some benefits of tracking SLOs:

  • Increase microservice performance: 87% said using SLOs for microservices architecture would improve service performance.
  • Enable full-stack observability: 58% said some of their company SLOs are mapped to business operations.
  • Improve business decision-making: 91% agreed using SLOs can help drive better business decisions.
  • Prevent service interruption: 67% said their company prevented business interruptions thanks to SLO thresholds alerts.
  • Reduce expenses: 90% indicated SLOs saved their company money.

Final Thoughts

More teams are tracking service-level objectives than ever before. And most companies (71%) that aren’t using SLOs now plan on adopting them soon. The data demonstrated that the observability market is an evolving area with room to grow. And, the same can be said about the SRE role.

Yet, it’s good to point out that not all companies will adopt precisely the same roles or monitoring procedures. Therefore, there will likely continue to be variance in who is using SLOs and how they are applied. Regardless, the study suggested that investigating SLOs has the potential to benefit the software life cycle in many ways.

The study, “Adoption of SLOs Grow to Increase Visibility and Drive Business Improvements” surveyed 309 participants around the globe in various sectors. The study was sponsored by Nobl9 and conducted by Dimensional Research. For more information, you can download the report here.

Bill Doerrfeld

Bill Doerrfeld is a tech journalist and analyst. His beat is cloud technologies, specifically the web API economy. He began researching APIs as an Associate Editor at ProgrammableWeb, and since 2015 has been the Editor at Nordic APIs, a high impact blog on API strategy for providers. He loves discovering new trends, researching new technology, and writing on topics like DevOps, REST design, GraphQL, SaaS marketing, IoT, AI, and more. He also gets out into the world to speak occasionally.

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