The Netflix TechBlog

MAY 4, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 1 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Hundreds of millions of customers tune into Netflix every day, expecting an uninterrupted and immersive streaming experience. This technique facilitates validation on multiple fronts.

Traffic 347

Traffic Latency Tuning Systems 347

The Netflix TechBlog

OCTOBER 8, 2024

Flexible Storage : The service is designed to integrate with various storage backends, including Apache Cassandra and Elasticsearch , allowing Netflix to customize storage solutions based on specific use case requirements. Note : With Cassandra 4.x There is a lot more information that can be stored into the metadata column (e.g.,

Latency 239

Latency Storage Traffic Tuning 239

Dynatrace

FEBRUARY 14, 2022

Among these, you can find essential elements of application and infrastructure stacks, from app gateways (like HAProxy), through app fabric (like RabbitMQ), to databases (like MongoDB) and storage systems (like NetApp, Consul, Memcached, and InfluxDB, just to name a few). Our monitoring coverage already includes ? documentation.

Technology 246

Technology Technology Metrics Infrastructure 246

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. The $47,500 licensing costs for Oracle Enterprise Edition is only for one CPU core, that ultimately has to be multiplied with the actual number of cores on the physical server. Compare Ease of Use.

Open Source 244

Open Source Tuning C++ Database 244

Percona

OCTOBER 10, 2023

This is not a general rule, but as databases are responsible for a core layer of any IT system – data storage and processing — they require reliability. Why choose Percona Server for MongoDB? Why release Percona Server for MongoDB 7 now? which was released as Percona Server for MongoDB RC 7.0.2-1.

Servers 120

Servers Availability Database Open Source 120

Percona

JANUARY 4, 2024

Managing storage and performance efficiently in your MySQL database is crucial, and general tablespaces offer flexibility in achieving this. In contrast to the single system tablespace that holds system tables by default, general tablespaces are user-defined storage containers for multiple InnoDB tables.

Storage 114

Storage Engineering Database Open Source 114

Dynatrace

MARCH 15, 2024

Syslog is a protocol with clear specifications that require a dedicated syslog server. Compliance, retention, archiving, or data governance regulations often require multicasting logs from the original source to multiple destinations, like an observability platform with long-term log storage.

Open Source 246

Open Source Infrastructure Network Government 246

Scalegrid

JULY 29, 2019

Managing a database is hard, as it needs continuous updating, tuning, and monitoring to ensure the performance of your website. Make sure your website doesn’t go down with a server or datacenter crash by configuring a master-slave setup for high availability. Test Connectivity Between Your WordPress Site & MySQL Server.

Database 166

Database Cloud Website Azure 166

Percona

MARCH 23, 2023

Hardware Memory The amount of RAM to be provisioned for database servers can vary greatly depending on the size of the database and the specific requirements of the company. Some servers may need a few GBs of RAM, while others may need hundreds of GBs or even terabytes of RAM. If you see concurrency issues, you can tune this variable.

Performance 144

Performance Hardware Tuning Storage 144

Dynatrace

DECEMBER 9, 2020

To address potentially high numbers of requests during online shopping events like Singles Day or Black Friday, it’s crucial that this online shop have a memory storage strategy that allows for speed, scaling, and resilience of all microservices, especially the shopping cart service. What’s next?

Java 264

Java Traffic Architecture Strategy 264

Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? Sysbench ran on a third server, which I’ll refer to as the application server (APP).

Tuning 145

Tuning Cache Servers Benchmarking 145

SQL Server According to Bob

SEPTEMBER 9, 2019

I recall when we were tuning the sp_reset_connection (which releases the database lock and acquires it again) command we tested rates in excess of 250,000/sec to ensure the partitioned database lock scaled: [link]. Bob Dorr – Principal Software Engineer SQL Server.

Servers 103

Servers Database Scalability Tuning 103

The Netflix TechBlog

SEPTEMBER 10, 2024

By Karthik Yagna , Baskar Odayarkoil , and Alex Ellis Pushy is Netflix’s WebSocket server that maintains persistent WebSocket connections with devices running the Netflix application. KeyValue is an abstraction over the storage engine itself, which allows us to choose the best storage engine that meets our SLO needs.

Latency 234

Latency Cache Tuning Efficiency 234

Dynatrace

APRIL 26, 2022

Collected telemetry data may include the type of device being used (cellphone, tablet, smart watch), geographical location, server response time, performance, and security. PC, smartphone, server) or virtual (virtual machines, cloud gateways). Endpoints can be physical (i.e.,

Monitoring 246

Monitoring Social Media IoT Metrics 246

Percona

MAY 1, 2023

I’ll show you some MySQL settings to tune to get better performance, and cost savings, with AWS RDS. This message is normally a side effect of a storage subsystem that is not capable of keeping up with the number of writes (e.g., This was exactly what was happening on this server. Want to save money on your AWS RDS bill?

AWS 135

AWS Hardware Storage Tuning 135

Dynatrace

JULY 8, 2020

That’s another example where monitoring is of tremendous help as it provides the current resource consumption picture and help to continuously fine tune those settings. . Event objects are not typical log events ; they are produced by the API Server and not included in the logs produced by the cluster.

Infrastructure 278

Infrastructure Monitoring Cloud Metrics 278

Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Log analysis can reveal potential bottlenecks and inefficient configurations so teams can fine-tune system performance. What are logs? Optimized system performance.

Analytics 264

Analytics Monitoring Artificial Intelligence DevOps 264

Dynatrace

APRIL 21, 2022

To stay tuned, keep an eye on our release notes. Improved error handling for unexpected storage issues. (APM-360014). High memory usage or potential OutOfMemory if the server is running without Elasticsearch connection for a prolonged time. (APM-362484). This will happen with Dynatrace version 1.242 or later. APM-361736).

Azure 246

Azure Metrics AWS Monitoring 246

Scalegrid

AUGUST 30, 2024

Authentication Mechanisms in RabbitMQ RabbitMQ provides several authentication mechanisms to ensure the security of user-server connections, such as using a combination of username and password or employing X.509 When an authentication attempt fails in RabbitMQ, it terminates connections, and error messages are recorded in server logs.

Transportation 130

Transportation Virtualization Strategy Storage 130

Percona

AUGUST 27, 2018

It is well hidden in the Optimization: Optimizing the MySQL Server chapter. In my scenario, I have a very noisy secondary application written by a very, very bad developer that accesses my servers, mostly with read queries, and occasionally with write updates. Then we need to see IF implementing the tuning will work or not.

Tuning 69

Tuning Virtualization Testing Servers 69

All Things Distributed

MARCH 7, 2013

Indexed Storage costs : We are lowering the price of indexed storage by 75%. Virginia) Region, the price of data storage will drop from $1 per GB per month to $0.25. DynamoDB runs on a fleet of SSD-backed storage servers that are specifically designed to support DynamoDB. s prices by 70%.

Ecommerce 121

Ecommerce Storage Scalability Database 121

The Netflix TechBlog

JUNE 13, 2023

They enable us to further fine-tune and configure the system, ensuring the new changes are integrated smoothly and seamlessly. Evaluation of migration completeness: To verify the completeness of the records, cold storage services are used to take periodic data dumps from the two data stores and compared for completeness.

Traffic 285

Traffic Metrics Systems Strategy 285

Percona

APRIL 14, 2023

Here are a few ways you can scale down and save: Audit your systems: Auditing your system for unused servers and eliminating those servers can reduce your cloud spend. Although it may take a few days or weeks, tuning and optimizing your environment eases your workload and can substantially decrease your overall costs.

Database 98

Database Serverless Tuning Cloud 98

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? A finely tuned database processes queries more efficiently, leading to swifter results.

Tuning 52

Tuning Database Performance Hardware 52

Percona

MAY 1, 2023

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. 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? Why is PostgreSQL performance tuning important?

Tuning 52

Tuning Database Efficiency Performance 52

All Things Distributed

MARCH 28, 2011

We see that with our Amazon customers; when they hear a great tune on a radio they may identify it using the Shazam or Soundhound apps on their mobile phone and buy that song instantly from the Amazon MP3 store. Driving Storage Costs Down for AWS Customers. Expanding the Cloud - The AWS Storage Gateway. At werner.ly Syndication.

AWS 123

AWS Cloud Storage Internet 123

Scalegrid

JANUARY 25, 2024

You will need to know which monitoring metrics for Redis to watch and a tool to monitor these critical server metrics to ensure its health. Connected_slaves provides information about replication status while Used_memory tracks utilized amount of server’s total capacity. You can pick a smart selection of relevant metrics from these.

Metrics 130

Metrics Monitoring Latency Cache 130

All Things Distributed

OCTOBER 2, 2017

percent availability in the event of a server, a rack of servers, or an Availability Zone failure. DynamoDB automatically re-distributes your data to healthy servers to ensure there are always multiple replicas of your data without you needing to intervene.

Internet 111

Internet Internet AWS Performance 111

SQL Performance

APRIL 15, 2020

SQL Server has always provided the ability to capture actual queries in an easily-consumable rowset format – first with legacy SQL Server Profiler, later via Extended Events, and now with a combination of those two concepts in Azure SQL Database. Enter the New SQL Server Profiler. An Updated XE Session. sqlserver.login.

Azure 96

Azure Database Tuning Network 96

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. Test Environment. The cost threshold for parallelism is set to 50. Final Thoughts.

Servers 86

Servers Tuning Database Efficiency 86

Percona

JANUARY 19, 2023

It can help us to save costs on storage and backup times. While MySQL can handle large data sets, it is always recommended to keep only the used data in the databases, as this will make data access more efficient, and also will help to save costs on storage and backups. MyRocks is shipped in Percona Server for MySQL.

Open Source 111

Open Source Storage Database Big Data 111

Percona

DECEMBER 6, 2023

Additional read Mike’s blog on How to Find and Tune a Slow SQL Query Q: What is your disaster recovery (DR) strategy? In reality, relying solely on a replica under the primary server is not sufficient for a robust disaster recovery plan. A: We have a replica under our primary database.

Strategy 113

Strategy Database Best Practices Tuning 113

Percona

OCTOBER 18, 2023

These vendors often provide integrated stacks that include the database, application server, and other components that seamlessly integrate. Look closely at your current infrastructure (hardware, storage, networks, etc.) Should I be bringing in external experts to help out? Once you’ve made your choice (MySQL, PostgreSQL, etc.),

Open Source 111

Open Source Database Strategy Hardware 111

Percona

DECEMBER 27, 2023

AI and MLOps Kubernetes has become a new web server for many production AI workloads, focusing on facilitating the development and deployment of AI applications, including model training. Well, here we are – with storage autoscaling for databases in Kubernetes, slated for release in Q1, 2024 after a year of hard work.

Cloud 113

Cloud Open Source Strategy Best Practices 113

Percona

DECEMBER 20, 2018

Linux OS Tuning for MySQL Database Performance. In this post we will review the most important Linux settings to adjust for performance tuning and optimization of a MySQL database server. We’ll note how some of the Linux parameter settings used OS tuning may vary according to different system types: physical, virtual or cloud.

Database 50

Database Tuning Performance AWS 50

Percona

AUGUST 17, 2023

PostgreSQL has powerful and advanced features, including asynchronous replication, full-text searches of the database, and native support for JSON-style storage, key-value storage, and XML. It has evolved steadily, however, during 25 years as an open source project. It all helps ensure the cluster’s peak performance.

Open Source 98

Open Source Healthcare Social Media Database 98

Percona

OCTOBER 17, 2023

Many changes and new features are brought to the system, and as part of keeping in tune with the changes and how they can impact us, we go through the changes to better understand them. Dynamic WiredTiger tickets As a brief recap, WiredTiger tickets in MongoDB serve as the concurrency control mechanism within the WiredTiger storage engine.

Metrics 120

Metrics C++ Database Storage 120