Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. This guide provides an overview of what high availability means, the components involved, how to measure high availability, and how to achieve it. How does high availability work?

Availability 113

Availability Database Open Source Hardware 113

Scalegrid

AUGUST 22, 2019

In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment. Managing High Availability in PostgreSQL – Part I: PostgreSQL Automatic Failover. Patroni for PostgreSQL.

Availability 277

Availability Servers Network Testing 277

DZone

JANUARY 8, 2024

As organizations increasingly migrate their applications to the cloud, efficient and scalable load balancing becomes pivotal for ensuring optimal performance and high availability. Each of these services addresses specific use cases, offering diverse functionalities to meet the demands of modern applications.

Azure 286

Azure Scalability Traffic Performance 286

Percona

DECEMBER 21, 2023

Being software composed of different, multiple technologies can add complexity to a well-known concept: High Availability (HA). As you can see, stats are available via the port 8404. Failover The failover will be handled by the HAProxy automatically when it detects that the current primary is no longer available.

Availability 107

Availability Monitoring Open Source Traffic 107

InfoQ

OCTOBER 23, 2023

Monzo developed a solution for shedding traffic in case its platform comes under intense and unexpected load that could lead to an outage. Traffic spikes can be generated by the mobile app and triggered by push notifications or other bursts in user activity.

Traffic 62

Traffic Mobile Development Availability 62

Percona

JUNE 12, 2023

When it comes to access to their applications, users demand instant, reliable, and secure interactions — and that means databases must be highly available. With database high availability (HA), services are largely uninterrupted, and end users are largely satisfied. The obvious answer is this: To achieve high availability.

Architecture 102

Architecture Availability Open Source Healthcare 102

DZone

DECEMBER 11, 2023

HAProxy is one of the cornerstones in complex distributed systems, essential for achieving efficient load balancing and high availability. This open-source software, lauded for its reliability and high performance, is a vital tool in the arsenal of network administrators, adept at managing web traffic across diverse server environments.

Servers 263

Servers Traffic Games Open Source 263

The Netflix TechBlog

JUNE 1, 2023

To do this, we devised a novel way to simulate the projected traffic weeks ahead of launch by building upon the traffic migration framework described here. New content or national events may drive brief spikes, but, by and large, traffic is usually smoothly increasing or decreasing.

Traffic 347

Traffic Best Practices Systems Testing 347

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

What is 5 Nines Availability?In However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five This level of availability equates to only about 5.26

Availability 52

Availability Social Media Traffic Games 52

Percona

JULY 7, 2023

With the average cost of unplanned downtime running from $300,000 to $500,000 per hour , businesses are increasingly using high availability (HA) technologies to maximize application uptime. Where a high availability design once worked well, it can no longer keep up with more complex requirements. there cannot be high availability.

Availability 87

Availability Open Source Architecture Database 87

Percona

AUGUST 22, 2023

With so much at stake, database high availability and fault tolerance have become must-have items, but many companies just aren’t certain which one they must have. This blog article will examine shared attributes of high availability (HA) and fault tolerance (FT). What does high availability mean?

Availability 83

Availability Hardware Open Source Database 83

High Scalability

APRIL 16, 2019

In this three-part blog series, we introduced a High Availability (HA) Framework for MySQL hosting in Part I, and discussed the details of MySQL semisynchronous replication in Part II. Now in Part III, we review how the framework handles some of the important MySQL failure scenarios and recovers to ensure high availability.

Availability 149

Availability Network Azure AWS 149

The Netflix TechBlog

JUNE 14, 2023

The control group’s traffic utilized the legacy Falcor stack, while the experiment population leveraged the new GraphQL client and was directed to the GraphQL Shim. This helped us successfully migrate 100% of the traffic on the mobile homepage canvas to GraphQL in 6 months. How does it work?

Traffic 356

Traffic Latency Cache Metrics 356

Dynatrace

JUNE 5, 2023

The F5 BIG-IP Local Traffic Manager (LTM) is an application delivery controller (ADC) that ensures the availability, security, and optimal performance of network traffic flows. Business-critical applications typically rely on F5 for availability and success. It serves as a crucial component between applications and users.

Traffic 208

Traffic Virtualization Metrics Monitoring 208

Dynatrace

NOVEMBER 28, 2023

Even when the staging environment closely mirrors the production environment, achieving a complete replication of all potential scenarios, such as simulating extremely high traffic volumes to assess software performance, remains challenging. This can lead to a lack of insight into how the code will behave when exposed to heavy traffic.

Traffic 271

Traffic Best Practices Strategy Engineering 271

DZone

AUGUST 16, 2023

Improved availability: Caching can help maintain service availability during high-traffic periods or in case of temporary server failures by serving content from the cache.

Cache 246

Cache Scalability Performance Latency 246

Dynatrace

JUNE 1, 2023

These organizations rely heavily on performance, availability, and user satisfaction to drive sales and retain customers. Availability Availability SLO quantifies the expected level of service availability over a specific time period. Availability is typically expressed in 9’s, such as 99.9%. or 99.99% of the time.

Latency 189

Latency Website Traffic Virtualization 189

Dynatrace

APRIL 16, 2019

We’re proud to announce the general availability of OneAgent full-stack monitoring for the AIX operating system. Monitoring IBM Power Systems isn’t a simple task, due to its specific architecture, there aren’t many tools available on the market. The ones that are available are old generation. Dynatrace news.

Availability 104

Availability Monitoring Metrics Operating System 104

Dynatrace

JUNE 1, 2023

These organizations rely heavily on performance, availability, and user satisfaction to drive sales and retain customers. Availability Availability SLO quantifies the expected level of service availability over a specific time period. Availability is typically expressed in 9’s, such as 99.9%. or 99.99% of the time.

Traffic 173

Traffic Website Latency Virtualization 173

The Netflix TechBlog

NOVEMBER 2, 2020

How viewers are able to watch their favorite show on Netflix while the infrastructure self-recovers from a system failure By Manuel Correa , Arthur Gonigberg , and Daniel West Getting stuck in traffic is one of the most frustrating experiences for drivers around the world. Logs and background requests are examples of this type of traffic.

Traffic 258

Traffic Metrics Infrastructure Architecture 258

The Netflix TechBlog

AUGUST 16, 2023

That’s a significant amount and certainly more than is necessary relative to the traffic on most clusters. More acutely, if a traffic spike occurs and Zuul instances scale up, it exponentially increases connections open to origins. There is effectively no churn of connections, even at peak traffic.

Traffic 175

Traffic Servers Google Metrics 175

DZone

APRIL 13, 2023

Imagine running an online store — having your site available 99.9% If those pages aren’t available, it doesn’t matter that the rest of your site is working fine. If those pages aren’t available, it doesn’t matter that the rest of your site is working fine. of the time might sound good, but what if that 0.1%

Traffic 198

Traffic Availability 198

Dynatrace

JULY 1, 2020

In my last blog , I’ve provided an example of this happening, whereby the traffic spiked and quadrupled the usual incoming traffic. These are all interesting metrics from marketing point of view, and also highly interesting to you as they allow you to engage with the teams that are driving the traffic against your IT-system.

Traffic 264

Traffic Analytics Metrics Servers 264

DZone

SEPTEMBER 29, 2021

And there are a lot of monitoring tools available providing all kinds of features and concepts. For example, you can monitor the behavior of your applications, the hardware usage of your server nodes, or even the network traffic between servers. For that reason, we use monitoring tools.

Monitoring 312

Monitoring Servers Hardware Open Source 312

Dynatrace

APRIL 5, 2024

When the SLO status converges to an optimal value of 100%, and there’s substantial traffic (calls/min), BurnRate becomes more relevant for anomaly detection. Let’s assume we created a service-availability SLO, monitoring the request failure count against the overall request counts. What characterizes a weak SLO?

Efficiency 238

Efficiency Traffic Tuning Metrics 238

Dynatrace

JULY 2, 2024

Using the VPC flow log default pattern available in DPL Architect, we can extract the meaningful fields to see only the network traffic targeting the SSH port. From here, you can continue to look further into the specific destinations to understand if this is malicious activity.

AWS 218

AWS Network Traffic Servers 218

DZone

MAY 15, 2023

Today, everything is available online, and people tend to turn to the internet for even the smallest things. This leads to an increasing number of users coming online to use these services, leading to a surge in traffic on websites and web applications. For instance, after the announcement of ChatGPT 3.5,

Traffic 130

Traffic Website Internet Internet 130

Dynatrace

SEPTEMBER 28, 2021

In a world where 99.999% availability is the standard, measuring MTTR is a crucial practice to ensure resiliency and stability. This metric helps determine the effectiveness of your monitoring and detection capabilities in support of system reliability and availability. App availability. Application usage and traffic.

DevOps 214

DevOps Metrics Traffic Efficiency 214

Dynatrace

FEBRUARY 21, 2024

Before a new version of the application is deployed, the software is subject to a series of load tests that evaluate capacity and performance under a series of simulated traffic and application demands. These metrics are latency, traffic, errors, and saturation, all of which must be key considerations when curating user experience.

Speed 220

Speed Software Software Latency 220

Dynatrace

JULY 2, 2020

Unnecessary traffic between such data centers can result in wasted resources, unpredictable downtimes, and lost business. By minimizing bandwidth and preventing unrelated traffic between data centers, you can maintain healthy network infrastructure and save on costs. optimizing traffic routing. optimizing traffic routing.

Network 173

Network Traffic Infrastructure Tuning 173

Dynatrace

MAY 31, 2023

Keeping pace with modern digital transformation requires ensuring that applications are responsive, resilient, and always available amid increased complexity. There are now many more applications, tools, and infrastructure variables that impact an application’s performance and availability. availability.

Best Practices 233

Best Practices DevOps Latency Metrics 233

DZone

OCTOBER 11, 2022

Making Google’s CalDAV and CardDAV APIs available for everyone ( Google Developers Blog). Improving testing by using real traffic from production ( Hacker News). Improving testing by using real traffic from production ( Hacker News). SAP to acquire Hybris to jumpstart its presence in e-commerce ( VentureBeat). Hacker News).

Java 244

Java Best Practices Google Analytics 244

Dynatrace

MAY 19, 2023

Network traffic growth is the main reason for increasing spending, largely because of the adoption of hybrid and multi-cloud architectures. What are the issues with traffic losses and connectivity drops? Without the network, nothing will happen,” Ziemianowicz said. What has been happening on the network when apps experience issues?

Network 228

Network Monitoring Performance Traffic 228

The Morning Paper

NOVEMBER 14, 2019

Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., It’s another networking paper to close out the week (and our coverage of SOSP’19), but whereas Snap looked at traffic routing within the datacenter, Taiji is concerned with routing traffic from the edge to a datacenter. SOSP’19.

Traffic 42

Traffic Internet Internet Latency 42

Dynatrace

JUNE 15, 2021

The subject line said: “Success Story: Major Issue in single AWS Frankfurt Availability Zone!” The problem started at 1:24PM PDT, with the services starting to become available again about 3 hours later. This number was so low because the automatic traffic redirect was so fast it kept the impact so low.

AWS 203

AWS Traffic Architecture Azure 203

Dynatrace

MAY 3, 2024

Take the example of Amazon Virtual Private Cloud (VPC) flow logs, which provide insights into the IP traffic of your network interfaces. With this out-of-the-box support for scalable data ingest, log data is immediately available to your teams for troubleshooting and observability, investigating security issues, or auditing.

Cloud 263

Cloud Lambda AWS Analytics 263