The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 221

Database Traffic Transportation Open Source 221

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 207

Database Traffic Transportation Open Source 207

The Netflix TechBlog

OCTOBER 8, 2024

Note: Contrary to what the name may suggest, this system is not built as a general-purpose time series database. Handling Bursty Traffic : Managing significant traffic spikes during high-demand events, such as new content launches or regional failovers. Those use cases are well served by the Netflix Atlas telemetry system.

Latency 240

Latency Storage Traffic Tuning 240

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster. HA is sometimes confused with “fault tolerance.”

Availability 114

Availability Database Open Source Hardware 114

Scalegrid

MARCH 28, 2024

Key Takeaways Redis offers complex data structures and additional features for versatile data handling, while Memcached excels in simplicity with a fast, multi-threaded architecture for basic caching needs. Redis is better suited for complex data models, and Memcached is better suited for high-throughput, string-based caching scenarios.

Cache 130

Cache Storage Architecture Scalability 130

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. Redis returns a big list of database metrics when you run the info command on the Redis shell. This blog post lists the important database metrics to monitor.

Metrics 130

Metrics Monitoring Latency Cache 130

Dynatrace

JANUARY 23, 2023

These include improving API traffic management and caching mechanisms to reduce server and network load, optimizing database queries, and adding additional compute resources, just to name some. While some of these are already done, such as adding additional compute, others require more development and testing. Hopefully never.)

Social Media 130

Social Media Cache Traffic Media 130

Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth.

Traffic 93

Traffic Cache Monitoring Database 93

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. This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index.

Performance 109

Performance Monitoring Traffic Database 109

Scalegrid

JANUARY 5, 2024

If you’re considering a database management system, understanding these benefits is crucial. DBMS enhances data security with encryption, implements various access controls, and enables improved data sharing and concurrent access, thus facilitating quick response to changes and maintaining consistent database accuracy.

Efficiency 147

Efficiency Storage Database Scalability 147

InfoQ

JULY 3, 2023

LinkedIn introduced Couchbase as a centralized caching tier for scaling member profile reads to handle increasing traffic that has outgrown their existing database cluster. The new solution achieved over 99% hit rate, helped reduce tail latencies by more than 60% and costs by 10% annually. By Rafal Gancarz

Cache 85

Cache Latency Traffic Database 85

The Netflix TechBlog

MARCH 5, 2019

the order of the rows on your Netflix home page, issuing content licenses when you click play, finding the Open Connect cache closest to you with the content you requested, and many more). Can we adjust our auto-scaling policies to be more efficiency without risking our availability during traffic spikes?

Infrastructure 185

Infrastructure Cloud Scalability AWS 185

All Things Distributed

NOVEMBER 26, 2013

and enable you to maintain a nearly up-to-date copy of your master database in a different AWS Region. Cross Region Read Replicas also enable you to serve read traffic for your global customer base from regions that are nearest to them. Amazon RDS offers a monthly uptime percentage SLA of 99.95% per Multi-AZ database instance.

Cloud 114

Cloud AWS Traffic Latency 114

All Things Distributed

OCTOBER 2, 2017

Today marks the 10 year anniversary of Amazon's Dynamo whitepaper , a milestone that made me reflect on how much innovation has occurred in the area of databases over the last decade and a good reminder on why taking a customer obsessed approach to solving hard problems can have lasting impact beyond your original expectations.

Internet 113

Internet Internet AWS Performance 113

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. Given that, there never was a single straight answer.

Games 126

Games Latency Traffic Cache 126

Smashing Magazine

DECEMBER 23, 2020

The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 126

Cache Internet Internet Google 126

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. In shard-nothing, each shard can live in a totally separate logical schema instance / physical database server/data center/continent. The POC Why this POC?

Traffic 128

Traffic Scalability Database Servers 128

Dotcom-Montior

JUNE 25, 2020

Even more surprisingly, websites that are marked as spam on email portals lose 95 percent of their traffic. Hence, this could cost a lot of business, due to the dwindling site traffic. The whole idea rests on creating a database of IP addresses that could be effectively harmful, malicious, or contain any unnecessary spam content.

Monitoring 86

Monitoring Traffic Website Database 86

Software Architecture

AUGUST 24, 2017

Redis is like a database that resides in memory. Memcached is very good at handling high traffic websites. Redis can not handle heavy traffic on read/write. Memcached stores variables in memory and retrieves data directly from server memory. It can read lot of information at a time and have a great response time.

Traffic 100

Traffic Software Architecture Website Efficiency 100

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

Percona

SEPTEMBER 1, 2023

MySQL performance tuning offers several significant advantages for effective database management and optimization. Enhanced Database Efficiency By adjusting configuration settings, you can markedly enhance the overall efficiency of your MySQL database. Experiencing database performance issues?

Tuning 52

Tuning Database Performance Hardware 52

Smashing Magazine

MAY 12, 2022

CrUX is a cloud-based database into which Real User Measurements (RUM) are collected from live Chrome browser sessions. The origin value is an aggregate of the values of all the pages for that origin, computed as a weighted average based on page traffic. I assume that caching, both in the browser and CDNs, contributes to this as well.

Google 130

Google Performance Website Mobile 130

Scalegrid

FEBRUARY 8, 2024

At its core, a distributed storage system comprises three main components: a controller for managing the system’s operations, an internal datastore where information is held, and databases geared towards ensuring scalability, partitioning capabilities, and high availability for all types of data. Is NTFS a distributed file system?

Storage 130

Storage Systems Big Data Azure 130

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 75

Performance Cache Traffic Metrics 75

Percona

MAY 2, 2023

That’s why it’s essential to implement the best practices and strategies for MongoDB database backups. Why are MongoDB database backups important? Regular database backups are essential to protect against data loss caused by system failures, human errors, natural disasters, or cyber-attacks.

Best Practices 52

Best Practices Database Storage Servers 52

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Part 3 : Models, Admin, And Harnessing The Relational Database. Imagine a professional networking site with a database of users. Client-Side Caching.

Media 70

Media Cache Storage AWS 70

Jos

JUNE 2, 2018

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. How would you architecture a non-trivial size web project (client, server, databases, caching layer)? What happens when a browser tries to load a website?

Performance 237

Performance Speed Google Media 237

Official Blog - World Web Technology

AUGUST 27, 2023

You can integrate PHP with many technologies, such as databases, web servers, CMS, etc. Performance If you want to develop a website that can handle massive traffic, go for PHP. Various techniques, such as caching and optimization, improve the website’s performance and speed.

Development 98

Development Ecommerce Open Source Website 98

IO River

NOVEMBER 2, 2023

They cache static content and enable lightning-fast delivery around the globe.This symbiosis reduces server load, boosts loading times, and ensures efficient content distribution. Content Delivery Networks (CDNs), web browsers, and proxy servers can store static files in their caches.

Cache 52

Cache Social Media Website Performance Website 52

All Things Distributed

NOVEMBER 21, 2017

Amazon ElastiCache embodies much of what makes fast data a reality for customers looking to process high volume data at incredible rates, faster than traditional databases can manage. Redis's microsecond latency has made it a de facto choice for caching.

Games 99

Games Retail Latency Education 99

Dynatrace

SEPTEMBER 17, 2019

REDIS for caching. 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. Their technology stack looks like this: Spring Boot-based Microservices. NGINX as an API Gateway. 1 User Experience Optimization.

AWS 128

AWS Monitoring Ecommerce Lambda 128

Percona Community

DECEMBER 4, 2020

I also discuss how excessive vacuuming generates I/O traffic, and how connection pooling is used to improve transaction throughput by caching connections from clients. These are key problems I have encountered as a database consultant, and how I’ve overcome them.

Performance 52

Performance Cache Traffic Database 52

Speed Curve

FEBRUARY 5, 2024

Caching the base page/HTML is common, and it should have a positive impact on backend times. Key things to understand from your CDN Cache Hit/Cache Miss – Was the resource served from the edge, or did the request have to go to origin? In the case of a cache miss, this should be zero.)

Servers 60

Servers Cache Retail Benchmarking 60

SQL Performance

NOVEMBER 18, 2019

The various types are: General purpose – Balanced CPU-to-memory ratio, small to medium databases. Compute optimized – High CPU-to-memory ration, medium traffic web servers and application servers. Memory optimized – High memory-to-CPU ratio, relational database servers, medium to large caches, and in-memory analytics.

Azure 76

Azure Benchmarking Storage Virtualization 76

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. For high traffic systems, processing the individual response times for each request may be too much work. However it’s very difficult to decide what the right SLA is, or to tell how close you are to exceeding it.

Lambda 98

Lambda Latency Cache C++ 98

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The fastest Androids predictably remain 18-24 months behind, owing to cheapskate choices about cache sizing by Qualcomm, Samsung Semi, and all the rest. The Moto G4 , for example.

Performance 127

Performance Network Mobile Metrics 127

IO River

NOVEMBER 2, 2023

They cache static content and enable lightning-fast delivery around the globe.This symbiosis reduces server load, boosts loading times, and ensures efficient content distribution. Content Delivery Networks (CDNs), web browsers, and proxy servers can store static files in their caches.

Cache 40

Cache Social Media Website Performance Website 40