PurePerformance

How do you a design a feature if you don’t know for whom it is for? How do you define SLOs (Service Level Objectives) if you don’t know what your users expect from you? How do you design performance tests and workloads if you don’t know which user behavior to simulate? In this episode we have Barbara Ogris, Sr Product Experience Designer at Dynatrace, who walks us through the concept of target per...

SRE vs DevOps, SRE or DevOps or is it SRE & DevOps? No better person to ask than somebody that has been an SRE for much longer than our industry is talking about Site Reliability Engineering. Michael Wildpaner, Sr Engineering Director Cloud Security at Google, started as an SRE for Google Maps back in 2006. Fast forward to 2022 Michael has a lot of hands-on experience about the SRE role, the diffe...

For some out there SLOs (Service Level Objectives) are the silver bullet to building and operating reliable software. But nothing is as shiny on the inside as it looks on the outside. In this episode we invited Stephen Townshend, former Performance Engineer now converted to Site (Slight) Reliability. Stephen (@the_kiwi_sre) has experienced the tough side of establishing SLOs within an organization...

Security is everyone’s business. And as everyone seems to be moving to Cloud Native it's important to understand what the security landscape in k8s, containerized apps, serverless, … looks like. To learn more about this we invited Anais Urlichs (@urlichsanais), Developer Advocate at Aqua Security and CNCF Ambassador of the year 2021. Over the past years Anais has educated thousands of people on cl...

While this episode started out with a recap of April Edwards (@TheAprilEdwards) keynote called “Putting the Ops into DevOps” we quickly got April talk about what measures Microsoft has set to embrace the cultural change needed for their DevOps transformation: Every service has a public health dashboard, putting the customer in the center, make products open source, eat your own dog food, align you...

Feature Flagging has gained a lot of momentum which we can observe by counting the number of feature flagging solutions. To ensure a good developer experience when implementing feature flags the CNCF OpenFeature project was launched during KubeCon 2022 in Valencia. It is aiming to provide a feature flag standard similar to what OpenTelemetry did for Observability. Tune in to this podcast where we...

How do you plan for unplanned work such as fixing systems when they unexpectedly break in production? Just like firefighters – the best approach to practice those situations so that you are better prepared when they happen. In this episode we have Mandi Walls, DevOps Advocate at PagerDuty, explain why she loves Game Days where she is “practicing for the weird things that might happen”. Prior to he...

“The most significant body of my SRE work is architectural reviews, disaster and failover planning and help with SLIs and SLOs of applications that would like to become SRE supported.” This statement comes from Hilliary Lipsig, Principal SRE at Red Hat, as her introduction to what the role of an SRE should be. Hilliary and her teams are helping organizations getting their applications cloud native...

The world is slowly moving back to having on-site meetings and conferences – such as DevOpsDays in Raleigh, NC where Andi presented on “Oh Keptn, my Keptn”. Besides presenting Andi also visited several organizations on his road trip through North Carolina and Texas. Listen in and learn what the adoption challenges of DevOps & SRE are, how to define good SLOs (Service Level Objectives) and how to e...

OpenTelemetry, for some the biggest romance story in open source, as it took off with the merger of OpenCensus and OpenTracing. But what is OpenTelemetry from the perspective of a contributor? Listen to this episode and here it from Daniel Dyla, Co-Maintainer OTel JS and W3C Distributed Tracing WG, and Armin Ruech who is on the Technical Committee focusing on cross language specifications. They gi...

When moving to the cloud - have you thought of the performance difference between App Gateway and Application Load Balancers? The disk speed and disk cache limitations impacting Cassandra and or Elasticsearch Performance? Challenges with pre-built containers or resource limits on pods impacting Java Garbage Collection behavior? These are all performance considerations Klaus Kierer, Senior Software...

Lift and Shift seems to be “the easiest” cloud migration scenario but can quickly go wrong as we hear from Brian Chandler, Principal Sales Engineer at Dynatrace, in this episode. Tune in and learn how latency can be the big killer of performance as you partially move services to the cloud. Brian (@Channer531) also reminds us about why you have to know about the N+1 query problem and the impact in...

Steve Tack has been leading Dynatrace Product Management for the past 10 years. He was one of the few Dynatracer’s delivering the key product announcements from Perform 2022 live from Vegas this year. In this session we recap the key product announcements, which breakouts to watch and which keynotes you don’t want to miss. To make it easier to follow up follow these links: On Demand sessions from...

Do you regularly go to the gym or are you just wearing your sweat pants and sneakers at home and think that will do it? Or how about agile practices? Do you think by religiously attending your daily standup your colleagues think your performance testing all of a sudden happens within each sprint? Leandro Melendez (aka Senor Performo), a DevRel Advocate for k6 load testing, tells us what he has see...

“Whether open source or commercial – just focusing on logs, traces and metrics is limiting our conversation and missing the point what observability really is!”, says Dotan Horovits, Tech Evangelist at Logz, in his opening statement in this podcast. Listen an and learn more about why observability is not about collecting data. Observability is rather a data analytics problem as it needs to give hu...

Who said that automation and data-driven decisions is only for DevOps or SREs? Scalability challenges or quality constraints are just as important to digital marketers like Nina Tollefson, Art Director at Dynatrace. The pandemic caused many events to transform to a fully virtual. That was also true for Dynatrace’s flagship annual global user conference Perform in February 2021. To successfully tra...

Log4Shell was an unwelcome early Christmas present for many IT teams around the globe. Asad Ali, Senior Director Dynatrace Sales Engineering, was involved starting December 9th – helping organizations around the world to react to the new vulnerability threat. In our discussion we learn how the vulnerability works technically, how runtime AppSec vulnerability detection eliminates false/positives an...

Encore Presentation - we'll be back in early 2022, until then, here is one of our favorite recent episodes: To k8s or not – that should be the first question to answer before considering k8s. Granted – in many cases k8s is going to be the right choice but don’t just default to k8s because its hip or cool.

The rise of smart phones clearly created a new demand for “instant gratification” when it comes to interacting with online services through web sites or apps. To ensure services are available at any point in time without any interruption or delay it requires performance engineers to automate performance and scalability engineering into the development processes. In this episode we invited Mike Kob...

What are good business level objectives (BLOs) besides conversion rates? Who is responsible for defining them? Who needs to report and who is held accountable? We invited John Kelly, Sales Engineer at Dynatrace, to answer those and even more questions. John – aka Tech Shady - has been helping our customers over the past years to implement business level reporting for their critical applications. I...

Java developers love using Spring. But running high performing and scaling Java apps in production takes a little bit more than just compiling your code. In this episode we have Asir Vedamuthu Selvasingh who has been working with Java for 26 years. In the past 25 years Asir (@asirselvasingh) helped Microsoft provide services to their developer community that make it easier to deploy, run and opera...

If there is one thing you take away from this episode then the answer to “Why we should refrain from Reply All on company wide emails”. Jokes aside – as security and performance are not always funny! In this special anniversary episode we have Mark Tomlinson, System Performance Specialist, talking about the considerations and trade-offs between performance and security. We learn about performance...

Optimizing or debugging database calls has to become as easy as optimizing your application code based on logs, metrics or traces your observability platform provides to developers. It has to be doable by the development and DevOps teams who are becoming more end-2-end responsible which includes new database services that are running in some managed cloud service. In this episode we hear from Nime...

If you need to learn how Prometheus, OpenTelemetry, Loki, FluentD, FluentBit .. help you with your observability requirements in the cloud native and non-cloud native space but you don’t have hours or days to dig into the details yourself then you have a new place to go to get educated within 20-30 minutes: Is it Observable is a new educational YouTube channel by Henrik Rexed, Cloud Native Advocat...

Tuning the JVM GC to reduce garbage collection time will speed up application performance. If you agree with that statement then I encourage you to listen to this episode where I have Stefano Doni, CTO at Akamas, walk us through 4 Java Tuning Facts & Myths. He is going into details why even in 2021 with great improvements in the JVM it is still important to optimize the JVM specific to the environ...