Are Your Business Applications Dealing with a Traffic Jam? Get Unstuck Today!


The post Are Your Business Applications Dealing with a Traffic Jam? With Mobile World Congress (MWC) 2019 just behind us it is clear that most, if not all conversation were about Read More. Get Unstuck Today! appeared first on Apica. API Cloud Monitoring

How to get the most value out of Session Replay: Use cases and examples


Session Replay features a number of settings, controls, and API calls that allow you to selectively record only those user sessions that are relevant to your business case: The Cost and traffic control setting, which allows you to decide the percentage of sessions you want to record.

Why Load Balancing Is Important for Web Servers?


In the web hosting service industry, it is commonly used for balancing the HTTP traffic across multiple servers which act together as a web front-end. A Load Balancer allows the users to distribute the traffic to a single IP across several servers by using a set of different protocols. In case if one of the server nodes fails, the traffic can be programmatically distributed to other nodes without any service interruption. What is Load Balancing?

5 Ways to Improve Video Performance


Video is the most powerful form of media used online today—according to Cisco’s global Internet traffic projections , video content will account for 82 percent of all IP traffic (both business and consumer) by 2022. The days of a predominantly text-based Internet are long gone. Visual content like infographics, images, animations, and videos attract website visitors because people find this type of content more engaging and interesting.

5G Will Definitely Make the Web Slower, Maybe

CSS - Tricks

When I read this, I thought of how adding extra lanes to highways actually causes more traffic, which is equally weird and counterintuitive. Scott Jehl has written this wonderful piece about how 5G is on the horizon and how it could cause problems for users.

Dynatrace Managed feature update, version 1.176


No more need to disable OneAgent traffic beforehand. Dynatrace news. New features and enhancements. Leverage the power of Davis AI with custom time-series events for your specific use cases (Preview). More flexible SAML configuration.

Redis vs Memcached

Software Architecture

Memcached is very good at handling high traffic websites. Redis can not handle heavy traffic on read/write. Memcached is in-memory key value store whereas Redis is in-memory data structures store. Memcached supports only string data type which is ideal for storing read-only data.

Optimizing Application Performance and User Experience With NETSCOUT for Azure


As a result, the number of servers and the quantity of traffic have been exploding exponentially. In the era of Digital Transformation (DX) the IT landscape has expanded to environments that rely extensively on virtualization, hyper-converged infrastructure (HCI), and cloud computing.

Azure 130

Managing High Availability in PostgreSQL – Part III: Patroni


Corosync traffic was blocked on the master server. Corosync traffic was blocked on the standby server. In our previous blog posts, we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by Cluster Labs and Replication Manager (repmgr) by 2ndQuadrant.

5 Things Your Boss Needs to Know About Your Website


Is the blog drawing traffic? Which pages are receiving the most traffic? You may think the answers are obvious, and the most obvious questions include: How many people are hitting our website? How many site visitors are converting?

OneAgent & ActiveGate release notes, version 1.175


release includes automatic configuration of Istio for enabling egress traffic to Dynatrace clusters. The newly introduced flag enableIstio (default false ) allows you to let the OneAgent Operator manage the Istio service entries for OneAgent egress traffic. For browser monitors, proxy support for ActiveGate-resource proxy has been extended to proxy the s3 traffic necessary to store captured screenshot files. Dynatrace news. OneAgent.

Java 107

How to Optimize Website Speed for Black Friday 2017


Is your website prepared for record breaking traffic and sales? Halloween is almost here and before you know it, it will be Black Friday and then, Cyber Monday. These consumer “holidays” bring about the race for shoppers to buy all of the coveted items on.

Speed 56

Top Redis Use Cases by Core Data Structure Types


Queues: Any application that deals with traffic congestion, messaging, data gathering, job management, or packer routing should consider a Redis Queue , as this can help you manage your queue size by rate of arrival and departure for resource distribution. Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009.

The Best In Performance Interview Series – Episode #4: Recap with Rich Howard


He goes into detail covering the steps that need to be taken to ensure that a website or application is prepared for an influx of traffic, from scoping and testing to setting expectations and creating a contingency plan.

Auth0 Architecture: Running In Multiple Cloud Providers And Regions

High Scalability

The number of services that compose our product in order to scale our organization and handle the increases in traffic went from under 10 to over 30 services.

Fostering a Web Performance Culture

José M. Pérez

When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations. Web Performance is not only about understanding what makes a site fast.

Stuff The Internet Says On Scalability For September 21st, 2018

High Scalability

Aria Bracci : Using a previously established, peer-reviewed technique, the team conducted more than half a million data traffic tests across 161 countries. Wake up! It's HighScalability time: A swarm of 300 autonomous burner drones take flight like sparkle from a fairy godmother's wand. (

PyMongo Tutorial: Testing MongoDB Failover in Your Python App


It is also recommended that SSL connections be enabled to encrypt the client-database traffic. Python is a powerful and flexible programming language used by millions of developers around the world to build their applications. It comes as no surprise that Python developers commonly leverage MongoDB hosting , the most popular NoSQL database , for their deployments due to its flexible nature and lack of schema requirements. So, what’s the best way to use MongoDB with Python?

Performance Vs Scalability

Professor Beekums

Scalability is being able to handle large amounts of users/data/traffic. One thing that tripped me up early on in my career was the difference between performance and scalability. At first I thought they were exactly the same.

Case Study: Pokémon GO on Google Cloud Load Balancing

High Scalability

Prior to launch, they load-tested their software stack to process up to 5x their most optimistic traffic estimates. As shown in Figure 11-5, when it launched, Pokémon GO used Google’s regional Network Load Balancer (NLB) to load-balance ingress traffic across a Kubernetes cluster.

Google 178

Achieve resilient cloud applications through managed DNS

O'Reilly Software

Harnessing DNS for traffic steering, load balancing, and intelligent response. In the case of traffic management, service endpoints can be monitored through continual health checks that verify that the expected resources are available and functioning.

Cloud 74

Predictive CPU isolation of containers at Netflix

The Netflix TechBlog

One specific Titus middleware service serving the Netflix streaming service saw a capacity reduction of 13% (a decrease of more than 1000 containers) needed at peak traffic to serve the same load with the required P99 latency SLA!

Cache 271

Troubleshooting Knative Prometheus GC Issues with Dynatrace


based sample service in a staging and production namespace, a Jenkins instance and execute some moderate load to “simulate constant production traffic”. Dynatrace news.

Python at Netflix

The Netflix TechBlog

Demand Engineering Demand Engineering is responsible for Regional Failovers , Traffic Distribution, Capacity Operations and Fleet Efficiency of the Netflix cloud.

Uber’s Big Data Platform: 100+ Petabytes with Minute Latency

Uber Engineering

To accomplish this, Uber relies heavily on making data-driven decisions at every level, from forecasting rider demand during high traffic events to identifying and addressing bottlenecks … The post Uber’s Big Data Platform: 100+ Petabytes with Minute Latency appeared first on Uber Engineering Blog. Uber is committed to delivering safer and more reliable transportation across our global markets.

How to Optimize Digital Experience and Operations with Dynatrace


The second example was around web-server threads, which turned out that the team ran with default settings for Apache (200 worker threads) which was too low for the traffic the government agencies are receiving during business hours. Dynatrace news.

Cache 196

Stuff The Internet Says On Scalability For October 5th, 2018

High Scalability

Hey, wake up! It's HighScalability time: Halloween is early. Do you know what's hiding inside your computer? Probably not. bloomberg ). Do you like this sort of Stuff? Please support me on Patreon. I'd really appreciate it. Know anyone looking for a simple book explaining the cloud?

Evolution of Netflix Conductor:

The Netflix TechBlog

We need to enhance the grpc modules to leverage the bidirectional channel to push tasks to workers as and when they are scheduled, thus reducing network traffic, load on the server and redundant client calls.

Lambda 204

Load Balanced ProxySQL in Google Cloud


There are three different ways ProxySQL can direct traffic between your application and the back-end MySQL services. Locally, on the MySQL servers. Between the MySQL servers and the application. Colocated on the application servers themselves. Without going through too much detail, each has its own limitations. In the first form, the application needs to know about all MySQL servers at any given point in time.

Google 100

Stuff The Internet Says On Scalability For March 8th, 2019

High Scalability

Wake up! It's HighScalability time: A highly simplified diagram of serverless. ( @jbesw ). Do you like this sort of Stuff? I'd greatly appreciate your support on Patreon. Know anyone who needs cloud? I wrote Explain the Cloud Like I'm 10 just for them. It has 40 mostly 5 star reviews.

Davis Diaries: Mainframe error to resolution in minutes!


As real user traffic started to pick up just after 8 am, it was clear that the fix also worked as expected for real user traffic. Dynatrace news.

Mobile 210

Getting Started with LoadView On-Demand Performance Testing


Let’s face it - the ideal load test emulates real world traffic, yet most load testing software doesn't come close. A series of GET requests from an in-house server can't possibly replicate what actually happens when a website sees a sudden increase in users from all over the world.

Intelligent test automation gives Orion spacecraft a boost

TechBeacon Testing

The role of testing has expanded far beyond making sure that an e-commerce website can cope with a traffic surge during the holiday shopping season. In the world of aerospace and defense (A&D), and for the Orion spacecraft project in particular, software testing is mission-critical. App Dev & Testing, Testing, Application Testing, Test Automation

How Data Inspires Building a Scalable, Resilient and Secure Cloud Infrastructure At Netflix

The Netflix TechBlog

Can we adjust our auto-scaling policies to be more efficiency without risking our availability during traffic spikes?

New Features – Custom Dashboards and Connection Speed Options


Native (No Traffic Shaping). These are especially handy when you’re running tests meant for mobile – be sure to choose one of the three mobile connections speeds so you can best simulate the real load time of your mobile traffic.

Speed 54

Best practices for alerting


For instance, when there isn’t enough traffic (late at night), the AI will not act to avoid alert spamming. Dynatrace news. Use the Artificial Intelligence”, it is not a Jedi Trick. Old School monitoring.

Dynatrace Managed feature update, version 1.168


Configuration traffic per cluster node wasn’t preserved during upgrades. Dynatrace news. Updated sliding time-frame window for custom metrics.

Compress objects, not cache lines: an object-based compressed memory hierarchy

The Morning Paper

Zippads also has the best reduction in main memory traffic : halving the amount of traffic compared to the baseline. It also reduces memory traffic by 56% and improves performance by 17%.

Cache 90

Testing PHP7

Wayfair Tech

What’s new is that it’s serving all of Wayfair’s customer-facing traffic. PHP7 is out. This isn’t news. It’s been out since last December, with nine minor revisions since then. Performance-wise, PHP7 is the rocket ship people said it would be. We’re nothing but pleased. If you can upgrade, you should do. Read more. Open Source Web Performance open source php

The future of synthetic testing is in the cloud


With most traffic coming from mobile for many of our customers, and the complexity of the “last mile,” do we really need to be troubleshooting core backbone ISP routing paths? Dynatrace news.

Cloud 161

AWS EKS Monitoring as a Self-Service with Dynatrace


Thanks to PurePath, architects can validate how transactions flow from service-to-service and how traffic gets routed through service mashes (AWS App Mesh, Istio, Linkerd) or proxies. Dynatrace news.

AWS 156

A Deep Dive into Native Lazy-Loading for Images and Frames

CSS - Tricks

Images make up around 50% of an average website's traffic. In short, we’re talking about a mechanism that defers the network traffic necessary to load content when it’s needed — or rather when trigger the load when the content enters the viewport.

What is keptn, how it works and how to get started!


scaling up in case more resources are needed, redirect traffic for certain users, clear log directories, … In order to react fast, it is mandatory to automate as many of these tasks. Keptn uses Istio for traffic routing to allow keptn to support the different deployment strategies such as blue/green, direct … keptn ensures that Istio is correctly installed and will also automatically create all helm charts for your services. Dynatrace news.