All Things Distributed

JANUARY 18, 2012

a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications. Today is a very exciting day as we release Amazon DynamoDB , a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. Amazon DynamoDB offers low, predictable latencies at any scale.

Scalability 162

Scalability Database Ecommerce Latency 162

The Netflix TechBlog

SEPTEMBER 18, 2024

Central to this infrastructure is our use of multiple online distributed databases such as Apache Cassandra , a NoSQL database known for its high availability and scalability. Over time as new key-value databases were introduced and service owners launched new use cases, we encountered numerous challenges with datastore misuse.

Latency 256

Latency Storage Cache Servers 256

DZone

NOVEMBER 16, 2023

The circuit breaker is a design pattern that prevents cascading failures and improves the overall availability and performance of a system. A circuit breaker is a component that monitors the health of a dependency, such as a remote service, an external API, or a database. What Is a Circuit Breaker?

Latency 264

Latency Network Database Monitoring 264

The Netflix TechBlog

JANUARY 25, 2023

The service should be able to serve real-time, aka UI, applications so CRUD and search operations should be achieved with low latency. A data model in Marken can be described using schema — just like how we create schemas for database tables etc. The databases we pick should be able to scale horizontally.

Scalability 287

Scalability Latency Media Architecture 287

All Things Distributed

JUNE 21, 2018

A common question that I get is why do we offer so many database products? To do this, they need to be able to use multiple databases and data models within the same application. Seldom can one database fit the needs of multiple distinct use cases. Seldom can one database fit the needs of multiple distinct use cases.

Database 166

Database AWS Games Latency 166

Dynatrace

JANUARY 31, 2024

The RAG process begins by summarizing and converting user prompts into queries that are sent to a search platform that uses semantic similarities to find relevant data in vector databases, semantic caches, or other online data sources.

Cache 276

Cache Azure Infrastructure Monitoring 276

All Things Distributed

JULY 14, 2015

I am excited to share with you that today we are expanding DynamoDB with streams, cross-region replication, and database triggers. In traditional database architectures, database engines often run a small search engine or data warehouse engines on the same hardware as the database. DynamoDB Cross-region Replication.

Database 156

Database Lambda AWS IoT 156

The Netflix TechBlog

OCTOBER 8, 2024

Rajiv Shringi Vinay Chella Kaidan Fullerton Oleksii Tkachuk Joey Lynch Introduction As Netflix continues to expand and diversify into various sectors like Video on Demand and Gaming , the ability to ingest and store vast amounts of temporal data — often reaching petabytes — with millisecond access latency has become increasingly vital.

Latency 235

Latency Storage Traffic Tuning 235

Dynatrace

APRIL 5, 2021

These include website hosting, database management, backup and restore, IoT capabilities, e-commerce solutions, app development tools and more, with new services released regularly. A new record entering a database table. Tasks like API requests, database calls, and file system management are perfect candidates for this service.

Lambda 258

Lambda AWS Serverless Hardware 258

The Netflix TechBlog

MARCH 7, 2023

We designed a unique concept called Annotation Operations which allows teams to create data pipelines and easily write annotations without worrying about access patterns of their data from different applications. There are many naive solutions possible for this problem for example: Write different runs in different databases.

Media 268

Media Latency Architecture Database 268

The Morning Paper

MARCH 3, 2020

Millions of tiny databases , Brooker et al., It takes you through the thinking processes and engineering practices behind the design of a key part of the control plane for AWS Elastic Block Storage (EBS): the Physalia database that stores configuration information. NSDI’20. This paper is a real joy to read. Requirements.

Database 106

Database AWS Network Design 106

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. I won’t cover all the features but show just enough that you’ll want to see more of what you can learn to accomplish for yourself.

Database 114

Database Benchmarking Latency C++ 114

InfoQ

DECEMBER 4, 2023

LinkedIn was able to dramatically improve the scalability and performance of its Espresso database by migrating it from HTTP1.1 to HTTP2, resulting in a reduction in the number of connections, latency, and garbage collection times. By Rafal Gancarz

Latency 101

Latency Scalability Database Performance 101

The Netflix TechBlog

FEBRUARY 18, 2022

Scaling Policies To address the thundering herd problem and to keep latencies under acceptable thresholds, the cluster scale-up policies are configured to be more aggressive than the scale-down policies. This approach enables the computing power to catch up quickly when the queues grow.

Systems 334

Systems Traffic Architecture Mobile 334

The Netflix TechBlog

MARCH 10, 2023

Production Use Cases Real-Time APIs (backed by the Cassandra database) for asset metadata access don’t fit analytics use cases by data science or machine learning teams. This feature support required a significant update in the data table design (which includes new tables and updating existing table columns).

Media 240

Media Traffic Processing Design 240

The Netflix TechBlog

DECEMBER 21, 2020

This article will list some of the use cases of AutoOptimize, discuss the design principles that help enhance efficiency, and present the high-level architecture. These principles reduce resource usage by being more efficient and effective while lowering the end-to-end latency in data processing. Transparency to end-users.

Storage 208

Storage Latency Efficiency Data Engineering 208

The Netflix TechBlog

OCTOBER 27, 2020

The data warehouse is not designed to serve point requests from microservices with low latency. Therefore, we must efficiently move data from the data warehouse to a global, low-latency and highly-reliable key-value store. How Bulldozer leverages Spark, Protobuf and KV DAL for moving the data.

Latency 248

Latency Storage Big Data Tuning 248

The Netflix TechBlog

JANUARY 10, 2024

This architecture shift greatly reduced the processing latency and increased system resiliency. We expanded pipeline support to serve our studio/content-development use cases, which had different latency and resiliency requirements as compared to the traditional streaming use case. divide the input video into small chunks 2.

Processing 233

Processing Media Latency Innovation 233

High Scalability

SEPTEMBER 8, 2018

New databases used to be announced seemingly every week. While database neogenesis has slowed down considerably, it has not gone necrotic. To meet user-defined goals for performance (request latency) and cost, the monitoring service tracks and adjusts resources to workload changes.

Storage 199

Storage Performance AWS Cloud 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. 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

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 216

Database Traffic Transportation Open Source 216

Dynatrace

SEPTEMBER 30, 2021

This can dramatically decrease network latency and its effect on the end-user experience. By establishing these, you can work backward to ensure every step of the process is designed to serve these outcomes. Migrate databases intelligently. As a result, organizations are seeing improved availability and performance.

Cloud 241

Cloud Traffic Best Practices Strategy 241

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 202

Database Traffic Transportation Open Source 202

Dynatrace

JANUARY 31, 2024

This freshness measurement can then be used by out-of-the-box Dynatrace anomaly detection to actively alert on abnormal changes within the data ingest latency to ensure the expected freshness of all the data records. An erroneous change in the database system leads to a subset of the data being categorized incorrectly.

DevOps 272

DevOps Analytics Airlines Metrics 272

The Netflix TechBlog

AUGUST 30, 2021

In addition, unlike other SQL stores, CockroachDB is designed from the ground up to be horizontally scalable, which addresses our concerns about Cloud Registry’s ability to scale up with the number of devices onboarded onto the Device Management Platform. million elements. this is configurable through enable.auto.commit.

Latency 218

Latency Traffic Transportation Cloud 218

The Netflix TechBlog

JUNE 13, 2023

By collecting and analyzing key performance metrics of the service over time, we can assess the impact of the new changes and determine if they meet the availability, latency, and performance requirements. Our system doesn’t require strict consistency guarantees and does not use database transactions.

Traffic 282

Traffic Metrics Systems Strategy 282

The Netflix TechBlog

NOVEMBER 2, 2021

For example, when we design a new version of VMAF, we need to effectively roll it out throughout the entire Netflix catalog of movies and TV shows. This article explains how we designed microservices and workflows on top of the Cosmos platform to bolster such video quality innovations. VQS is called using the measureQuality endpoint.

Media 175

Media Innovation Metrics Latency 175

Randon ASCII

SEPTEMBER 8, 2019

I also don’t know why right-clicking on other programs’ icons on the task bar is also a bit slow – it’s apparently a different issue, or an odd design decision. I get cranky when databases do 4-KiB reads but this is amazing. Don’t call ReadFile to get 68 bytes. Or, at least, don’t do it a hundred thousand times.

Latency 79

Latency Cache Programming Operating System 79

O'Reilly Software

JUNE 12, 2018

Data is all-important—vital for the continued success of our businesses—but has also been seen as a massive constraint in how we design and evolve our systems. This meant a lot of time was spent on things like cycle time analysis, build pipeline design, test automation, and infrastructure automation. How do you do that effectively?

Database 72

Database Cache Architecture Latency 72

Percona

APRIL 13, 2023

PostgreSQL is a popular open source relational database management system that is widely used for storing and managing data. Replication lag is the delay between the time when data is written to the primary database and the time when it is replicated to the standby databases. What is replication lag?

Latency 103

Latency Tuning Open Source Network 103

Scalegrid

MARCH 28, 2024

Redis Data Types and Structures The design of Redis’s data structures emphasizes versatility. It is designed to cache plain text values, offering fast read and write access to frequently accessed data. Advanced Redis Features Showdown Big data center concept, cloud database, server power station of the future.

Cache 130

Cache Storage Architecture Scalability 130

The Netflix TechBlog

OCTOBER 19, 2020

Now let’s look at how we designed the tracing infrastructure that powers Edgar. If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls.

Infrastructure 236

Infrastructure Transportation Storage Open Source 236

VoltDB

FEBRUARY 29, 2024

In this fast-paced ecosystem, two vital elements determine the efficiency of this traffic: latency and throughput. LATENCY: THE WAITING GAME Latency is like the time you spend waiting in line at your local coffee shop. All these moments combined represent latency – the time it takes for your order to reach your hands.

Latency 52

Latency Games Traffic Network 52

Percona

MARCH 29, 2023

Compression in any database is necessary as it has many advantages, like storage reduction, data transmission time, etc. Snappy compression is designed to be fast and efficient regarding memory usage, making it a good fit for MongoDB workloads. At the time of insert ops, no other queries or DML ops were running in the database.

Storage 130

Storage Network Open Source Latency 130

All Things Distributed

NOVEMBER 15, 2010

For example, the most fundamental abstraction trade-off has always been latency versus throughput. These trade-offs have even impacted the way the lowest level building blocks in our computer architectures have been designed. The throughput of this pipeline is more important than the latency of the individual operations.

AWS 125

AWS Programming Latency Architecture 125

O'Reilly

FEBRUARY 18, 2025

Instead, you need to design metrics that are specific to your business, along with tests to evaluate your AIs performance. Were experiencing high latency in responses. Distillation Making a smaller, faster model from a big one It lets you use cheaper, faster models with less delay (latency).

Latency 62

Latency Tuning Metrics Testing 62

Percona

MAY 2, 2023

At the same time that I see database engineers relying on the tool, sites such as StackOverflow are banning ChatGPT. ChatGPT: The innodb_redo_log_capacity parameter specifies the maximum size of the InnoDB redo log buffer, which is used to store changes made to the database before they are written to disk. What could it be?

Social Media 145

Social Media Database Servers Cache 145