Dynatrace

DECEMBER 13, 2023

Mobile applications (apps) are an increasingly important channel for reaching customers, but the distributed nature of mobile app platforms and delivery networks can cause performance problems that leave users frustrated, or worse, turning to competitors. What is mobile app performance?

Best Practices 190

Best Practices Mobile Metrics Performance 190

KeyCDN

NOVEMBER 19, 2020

In October 2015 KeyCDN released a free WordPress caching plugin called Cache Enabler. We did this because we wanted to give back to the WordPress community in the offering of a caching solution that was not complicated and most importantly, free. Over the last few months there have been many changes made to Cache Enabler.

Cache 116

Cache Network Open Source Speed 116

Dynatrace

APRIL 10, 2023

Managing cloud performance is increasingly challenging for organizations that spread workloads across a greater variety of platforms. Moreover, organizations have to balance maintaining security, retaining cloud management expertise, and managing infrastructure performance. Rural lifestyle retail giant Tractor Supply Co.

Cloud 166

Cloud Ecommerce Performance Retail 166

Dynatrace

JANUARY 31, 2024

This blog post explores how AI observability enables organizations to predict and control costs, performance, and data reliability. GenAI is prone to erratic behavior due to unforeseen data scenarios or underlying system issues. It also shows how data observability relates to business outcomes as organizations embrace generative AI.

Cache 199

Cache Azure Infrastructure Monitoring 199

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

DZone

OCTOBER 4, 2023

It turns out that the fix we made did improve performance at one point but created a situation in which key information was never cached. While the initial trace provided valuable insights into the authentication service, it didn’t explain why the system was built in this way.

Latency 247

Latency Cache Software Software 247

Smashing Magazine

SEPTEMBER 28, 2022

Five Data-Loading Patterns To Improve Frontend Performance. Five Data-Loading Patterns To Improve Frontend Performance. When it comes to performance, you shouldn’t be stingy. On design systems, UX, web performance and CSS/JS. Active Memory Caching. Using the cache as permanent storage is an anti-pattern.

Cache 125

Cache Performance Servers Social Media 125

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. A monitoring tool like Percona Monitoring and Management (PMM) is a popular choice among open source options for effectively monitoring MySQL performance.

Performance 104

Performance Monitoring Traffic Database 104

Percona

SEPTEMBER 1, 2023

While there is no magic bullet for MySQL performance tuning, there are a few areas that can be focused on upfront that can dramatically improve the performance of your MySQL installation. What are the Benefits of MySQL Performance Tuning? Experiencing database performance issues?

Tuning 52

Tuning Database Performance Hardware 52

Dynatrace

JANUARY 16, 2023

The study analyzes factual Kubernetes production data from thousands of organizations worldwide that are using the Dynatrace Software Intelligence Platform to keep their Kubernetes clusters secure, healthy, and high performing. Kubernetes is emerging as the “operating system” of the cloud. Kubernetes moved to the cloud in 2022.

Open Source 337

Open Source Java Operating System Programming 337

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to [Systems Performance 2nd Edition], and this was the first time I've given this talk in person!

Performance 110

Performance Latency Cache Virtualization 110

The Netflix TechBlog

MAY 4, 2023

Behind the scenes, a myriad of systems and services are involved in orchestrating the product experience. These backend systems are consistently being evolved and optimized to meet and exceed customer and product expectations. This approach has a handful of benefits. This technique facilitates validation on multiple fronts.

Traffic 339

Traffic Latency Tuning Systems 339

The Netflix TechBlog

APRIL 27, 2023

Engineers want their alerting system to be realtime, reliable, and actionable. A few years ago, we were paged by our SRE team due to our Metrics Alerting System falling behind — critical application health alerts reached engineers 45 minutes late! In other words, false positives are bad but false negatives are the absolute worst!

Storage 288

Storage Cache Metrics Database 288

Dynatrace

DECEMBER 21, 2023

You might optimize your cooling system or move your data center to a colder region with reduced cooling demands. Level 2: Hosts and containers You might run thousands of hosts and containers, many of which have been sized by prioritizing performance over energy consumption. Next, we consider possible energy savings in the data center.

Cloud 202

Cloud Energy Best Practices Cache 202

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 54

Performance Benchmarking Cache Storage 54

Percona

MAY 1, 2023

It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. What is PostgreSQL performance tuning? Hardware optimization : You need to ensure that the CPU, memory, and storage components meet the performance requirements of the database workload.

Tuning 52

Tuning Efficiency Database Performance 52

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. CFS is widely used and therefore well tested and Linux machines around the world run with reasonable performance.

Cache 251

Cache Latency Airlines Logistics 251

ACM Sigarch

MARCH 18, 2019

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. Developing simulators, however, is time-consuming and requires a great deal of infrastructure development regarding a prospective system. Answered in Part 2.).

Systems 60

Systems Latency Performance Analytics 60

Uber Engineering

MAY 24, 2023

This blog post unveils the seamless, exabyte-scale integration of local SSD disks into the Hadoop Distributed File System (HDFS), enabling the utilization of high-density disk SKUs to optimize disk IO and achieving exceptional performance.

Cache 52

Cache Systems Performance 52

Dynatrace

SEPTEMBER 13, 2023

This is a set of best practices and guidelines that help you design and operate reliable, secure, efficient, cost-effective, and sustainable systems in the cloud. The framework comprises six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, and Sustainability.

AWS 240

AWS Efficiency Azure Cloud 240

High Scalability

JANUARY 11, 2022

from a client it performs two parallel operations: i) persisting the action in the data store ii) publish the action in a streaming data store for a pub-sub model. User Feed Service, Media Counter Service) read the actions from the streaming data store and performs their specific tasks. System Components. Optimization.

Design 334

Design Media Storage Logistics 334

The Morning Paper

MAY 23, 2019

Compress objects, not cache lines: an object-based compressed memory hierarchy Tsai & Sanchez, ASPLOS’19. Today’s paper introduces Zippads , which compared to a state of the art compressed memory hierarchy is able to achieve a 1.63x higher compression ratio and improve performance by 17%. ” The big idea.

Cache 61

Cache Benchmarking Hardware Java 61

Jos

JUNE 2, 2018

Web Performance is not only about understanding what makes a site fast. Performance is a feature and needs to be prioritized as such. Performance is a topic that has interested me for a long time. Moving over to web, the performance problems are different. This is not a post explaining why web performance is important.

Performance 237

Performance Speed Google Media 237

Dynatrace

MAY 17, 2023

Anyone who’s concerned with developing, delivering, and operating software knows the importance of making software and the systems it runs on observable. With observability, you can get a better understanding of how your systems behave and what they do, especially in case of errors. Why should I adopt observability?

Metrics 174

Metrics Open Source Traffic Cache 174

Percona Community

DECEMBER 4, 2020

Overview In this article, I look at how poorly designed sharding systems and replication systems in PostgreSQL affect query performance in high volume situations, and how to ensure data consistency across many servers. I also cover how insufficient memory could affect PostgreSQL performance.

Performance 52

Performance Cache Traffic Database 52

Brendan Gregg

FEBRUARY 28, 2023

At USENIX SREcon22 APAC I gave the opening keynote on the future of computer performance, rounding up the latest developments and making predictions of where I see things heading. This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person!

Performance 52

Performance Latency Cache Virtualization 52

Brendan Gregg

SEPTEMBER 5, 2021

They claimed that the ZFS file system was consuming 30% of CPU capacity. I have been surprised many times by unexpected performance issues, so I thought I should check their instances anyway. These included a breakdown of CPU time into percentages for "usr" (user: applications) and "sys" (system: the kernel).

Cache 145

Cache Cloud Java Tuning 145

Brendan Gregg

AUGUST 29, 2021

A service team was debugging a performance issue and noticed it coincided with a high rate of paging. I was asked to help, and used a variety of performance tools to solve this including those that use eBPF and Ftrace. 1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03

Cache 105

Cache C++ AWS Latency 105

Scalegrid

JANUARY 5, 2024

If you’re considering a database management system, understanding these benefits is crucial. Understanding Database Management Systems (DBMS) A Database Management System (DBMS) assists users in creating and managing databases. In a DBMS, data serves as the material which the system stores, structures, and controls.

Efficiency 147

Efficiency Storage Database Scalability 147

Speed Curve

FEBRUARY 5, 2024

That performance golden rule still holds true today. Charlie Vazac introduced server timing in a Performance Calendar post circa 2018. Caching the base page/HTML is common, and it should have a positive impact on backend times. In the case of a cache miss, this should be zero.) (In the case of a cache miss, this should be zero.)

Servers 57

Servers Cache Retail Benchmarking 57

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. Caches | 12.4G Caches | 12.4G

Cache 99

Cache Database Virtualization Servers 99

Percona

JULY 25, 2023

When a new node joins the cluster, SST is performed to receive the data from DONOR to the JOINER. Percona XtraBackup performs crash recovery on the files to make a consistent, usable database again. This search tuple (key) is used to find the record to perform the undo operation. JOINER must prepare the backup before using it.

Cache 85

Cache Benchmarking Servers Design 85

ACM Sigarch

MARCH 25, 2019

The M/M/1 queue also assumes that the arrival rate is not affected by the unbounded number of tasks in the queue (called an “open system”). For the previous cache miss buffer example, the 32-buffer answer is minimal for 100-ns average miss latency. Figure 2 plots the M/M/1 queue’s latency-throughput trade-off.

Systems 53

Systems Latency Performance C++ 53

The Morning Paper

NOVEMBER 5, 2019

File systems unfit as distributed storage backends: lessons from 10 years of Ceph evolution Aghayev et al., In this case, the assumption that a distributed storage backend should clearly be layered on top of a local file system. A distributed file system provides a unified view over aggregated storage from multiple physical machines.

Storage 64

Storage Systems Hardware Efficiency 64

IO River

NOVEMBER 2, 2023

Do continue reading to gain a deep dive into static and dynamic content, its differences, pros, and cons while focusing on the best ways to optimize performance on websites that use such content.‍What Content Delivery Networks (CDNs), web browsers, and proxy servers can store static files in their caches. What is Static Content?Static

Cache 52

Cache Social Media Website Performance Website 52

Percona

MARCH 17, 2023

These updates are designed to keep databases running at peak performance and simplify database operations. But as companies grow and see more demand for their databases, we need to ensure that PMM also remains scalable so you don’t need to worry about its performance while tending to the rest of your environment.

Monitoring 98

Monitoring Scalability Cache Database 98

Smashing Magazine

JUNE 29, 2021

Without build optimizations (incremental builds, caching, we will get to those soon) this will eventually become unmanageable as well — think about going through all images in a website: resizing, deleting, and/or creating new files over and over again. The cache is invalidated on a time basis. On-Demand Builders.

Cache 129

Cache Website Strategy Traffic 129