The Netflix TechBlog

NOVEMBER 22, 2019

4:45pm-5:45pm NFX 202 A day in the life of a Netflix Engineer Dave Hahn , SRE Engineering Manager Abstract : Netflix is a large, ever-changing ecosystem serving millions of customers across the globe through cloud-based systems and a globally distributed CDN. We explore all the systems necessary to make and stream content from Netflix.

AWS 100

AWS Entertainment Open Source Benchmarking 100

Dynatrace

MAY 31, 2023

The practice uses continuous monitoring and high levels of automation in close collaboration with agile development teams to ensure applications are highly available and perform without friction. At the lowest level, SLIs provide a view of service availability, latency, performance, and capacity across systems. Make SLOs realistic.

Best Practices 227

Best Practices DevOps Latency Metrics 227

Dynatrace

APRIL 15, 2022

” Despite many challenges, when the project concluded in 2019, the team had the confidence and experience to migrate anything to the cloud. Today, VA uses Dynatrace to monitor over 150 different cloud instances — even hybrid instances of applications. “We used Dynatrace to monitor that large increase in servers.

Cloud 181

Cloud Infrastructure Innovation Monitoring 181

High Scalability

APRIL 3, 2019

PostgreSQL is an open source object-relational database system that has soared in popularity over the past 30 years from its active, loyal, and growing community. For the 2nd year in a row, PostgreSQL has kept the title of #1 fastest growing database in the world according to the DBMS of the Year report by the experts at DB-Engines.

Database 177

Database Cloud Open Source Systems 177

Scalegrid

JUNE 6, 2019

June 6, 2019 – ScaleGrid , the Database-as-a-Service (DBaaS) leader in the SQL and NoSQL space, has announced the expansion of their fully managed MySQL Hosting services to support Amazon Web Services (AWS) cloud. PALO ALTO, Calif.,

AWS 191

AWS Cloud Open Source Virtualization 191

Dynatrace

AUGUST 16, 2021

Part 1 of this series starts will cover the key ingredients needed for successful DevOps use to deliver better software faster, followed by a short overview of GitHub Actions and example use cases related to deployment and release monitoring. Key ingredients required to deliver better software faster. GitHub and GitHub Actions.

Software 246

Software Software Open Source Azure 246

Brendan Gregg

APRIL 14, 2022

eBPF tools (2014-2019). I hope my last two books, [Systems Performance 2nd Ed] and [BPF Performance Tools] serve Netflix well in my absence and everyone else who reads them. A large and unexpected opportunity has come my way outside of Netflix that I've decided to try. offer letter logo (2014). flame graphs (2014). PMC analysis (2017).

Java 145

Java Cloud Cache AWS 145

Dynatrace

JULY 31, 2020

The vendor has de-supported this technology and version with 2019-09-30. The vendor has de-supported this technology and version with 2019-09-30. Current Operating systems support changes. The following operating systems will no longer be supported starting 01 August 2020. Upcoming Operating systems support changes.

Operating System 120

Operating System Java Infrastructure Monitoring 120

The Morning Paper

JUNE 6, 2019

Towards federated learning at scale: system design Bonawitz et al., SysML 2019. This is a high level paper describing Google’s production system for federated learning. At the core of the system is a federated learning approach called Federated Averaging , with an optional extension for Secure Aggregation.

Systems 71

Systems Design Google Servers 71

Rigor

NOVEMBER 7, 2019

The CPDoS attack that was discovered in October 2019 and the corresponding attention paid to it within the technology sphere brought to light an issue many of us overlook: the boundaries of our web applications have expanded, and that has increased the number of systems and services that must be.

Monitoring 40

Monitoring Performance Technology Technology 40

Rigor

NOVEMBER 7, 2019

The CPDoS attack that was discovered in October 2019 and the corresponding attention paid to it within the technology sphere brought to light an issue many of us overlook: the boundaries of our web applications have expanded, and that has increased the number of systems and services that must be.

Monitoring 40

Monitoring Performance Technology Technology 40

Dynatrace

SEPTEMBER 29, 2021

Part one also provided an overview of Dynatrace’s Cloud Automation solution, Microsoft’s GitHub Actions , and open-source examples you can use and extend related to deployment and release monitoring. Example #3 – Automate Monitoring configuration as code. Monitoring as Code workflow example. Blog series use cases.

Software 205

Software Software Open Source DevOps 205

Scalegrid

JULY 17, 2019

July 17, 2019 – ScaleGrid, a leader in the Database-as-a-Service (DBaaS) space, has just announced support for PostgreSQL hosting in the cloud. PALO ALTO, Calif., The ScaleGrid platform allows PostgreSQL users to automate their daily operations without having to sacrifice control over their deployments.

Azure 182

Azure AWS Open Source Database 182

The Netflix TechBlog

NOVEMBER 22, 2019

4:45pm-5:45pm NFX 202 A day in the life of a Netflix Engineer Dave Hahn , SRE Engineering Manager Abstract : Netflix is a large, ever-changing ecosystem serving millions of customers across the globe through cloud-based systems and a globally distributed CDN. In 2019, Netflix moved thousands of container hosts to bare metal.

AWS 37

AWS Entertainment Open Source Benchmarking 37

Dynatrace

MAY 26, 2021

To improve their alerting system, the team decided to move to SLO/SLI-based alerting, which require deeper knowledge of the application but are more helpful than generalized metric alerts. Based on SLAs agreed with customers, you can set up certain measurable metrics and traces that can be monitored with your tools.

AWS 216

AWS Strategy Storage Metrics 216

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. Investigating a video streaming failure consists of inspecting all aspects of a member account.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

Dynatrace

OCTOBER 15, 2021

Loosely defined, observability is the ability to understand what’s happening inside a system from the knowledge of the external data it produces, which are usually logs, metrics, and traces. Monitoring begins here. OTel is a specialized protocol for collecting telemetry data and exporting it to a target system.

Open Source 223

Open Source Metrics Cloud Transportation 223

Scalegrid

OCTOBER 2, 2019

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Hosting on Azure for Redis™ service. PALO ALTO, Calif.,

Azure 100

Azure Availability Open Source Virtualization 100

The Morning Paper

SEPTEMBER 24, 2019

50 ways to leak your data: an exploration of apps’ circumvention of the Android permissions system Reardon et al., USENIX Security Symposium 2019. Side-channels are typically an unintentional consequence of a complicated system. Each app was then executed on a physical mobile phone equipped with a custom OS and network monitor.

Systems 74

Systems Traffic Network Google 74

Percona

MARCH 7, 2019

I’ll show you how we approached the resolution of a MySQL performance issue and used Percona Monitoring and Management PMM to support troubleshooting. It’s important to understand where the CPU time is being consumed: user space, system space, iowait, and so on. 2019-02-22T18:26:25 Creating triggers. _clients_new OK.

C++ 100

C++ Traffic Servers Monitoring 100

Percona

AUGUST 17, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. In another survey, using multiple metrics for overall popularity, PostgreSQL ranks as the fourth most popular database management system ( DB-Engines, March 2023 ).

Open Source 79

Open Source Healthcare Social Media Database 79

Dynatrace

MAY 26, 2021

To improve their alerting system, the team decided to move to SLO/SLI-based alerting, which require deeper knowledge of the application but are more helpful than generalized metric alerts. Based on SLAs agreed with customers, you can set up certain measurable metrics and traces that can be monitored with your tools.

AWS 147

AWS Strategy Storage Metrics 147

Dynatrace

JUNE 7, 2019

Audit logs are stored at the cluster nodes where system changes are executed. Audit logs open up a whole new set of use cases for custom notifications using log monitoring tools. Limits and overage details are included for each monitoring-unit type. Security is another area in which audit logs can be invaluable.

Hardware 103

Hardware Traffic Servers Monitoring 103

Dynatrace

MAY 6, 2019

However, for many organizations, back-end technology layers create blind spots in their current approach to monitoring. The IBM IMS TM Resource adapter is another important bridging technology that is mainly used by Java applications or web services to access IMS transactions that are running on host IMS systems. CICS sockets).

Java 117

Java Programming Technology Technology 117

Scalegrid

SEPTEMBER 16, 2019

PostgreSQL is the fourth most popular database management system in the world, and heavily used in all sizes of applications from small to large. It is difficult to browse database and tables, check indexes, and monitor databases through the console. Easier access to files, features, and the operating system.

Open Source 262

Open Source Database Azure Cloud 262

Brendan Gregg

AUGUST 29, 2021

A cloud-wide monitoring tool, Atlas, showed a high rate of paging for the larger file uploads: The blue is pageins (page ins). 1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 100.00 ^C. . ## 5. Counting cache functions.

Cache 105

Cache C++ AWS Latency 105

Dynatrace

JULY 31, 2020

Loosely defined, Observability boils down to inferring the internal health and state of a system by looking at the external data it produces, which most commonly are logs, metrics, and traces. In order to fully understand the purpose of OpenTelemetry, we must first take a brief look at “Observability”.

Open Source 187

Open Source Metrics Google Java 187

Dynatrace

MAY 7, 2019

With the Red Hat Summit 2019 just around the corner, this month’s featured partner is the world’s leading provider of open source software solutions: Red Hat. So, he started selling open source Linux and Unix operating systems with his famous sales pitch “You wouldn’t buy a car with the hood welded shut”. Dynatrace news.

Open Source 113

Open Source DevOps Innovation Infrastructure 113

Scalegrid

MAY 2, 2019

With MongoDB deployments, failovers aren’t considered major events as they were with traditional database management systems. 1305:12 @(shell):1:1 2019-04-18T19:44:42.261+0530 I NETWORK [thread1] trying reconnect to SG-example-1.servers.mongodirector.com:27017 Testing Failover Behavior. 185:1 rs.stepDown@src/mongo/shell/utils.js:1305:12

Testing 55

Testing Network Database Servers 55

Brendan Gregg

APRIL 14, 2022

offer letter logo (2014) flame graphs (2014) eBPF tools (2014-2019) PMC analysis (2017) my pandemic-abandoned desk (2020); office wall I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive work culture. A large and unexpected opportunity has come my way outside of Netflix that I've decided to try.

Java 52

Java Cache Cloud AWS 52

O'Reilly

OCTOBER 31, 2019

Our analysis of speaker proposals from the 2019 edition of the O’Reilly Velocity Conference in Berlin turned up several interesting findings related to infrastructure and operations: Cloud native is preeminent. This is as much a shift in language—with the terms “observability” rising and “monitoring” falling—as in technology.

Artificial Intelligence 53

Artificial Intelligence Google Software Architecture Cloud 53

SQL Server According to Bob

JULY 31, 2018

The unlink or remove syscall makes changes to the file system so searching for the file by name returns no entries and when the file descriptor is closed the file is deleted. Update Oct 2018 – SQL Server 2019 CTP 2.0. SQL Server 2019 changes the DELTE On CLOSE behavior used on Linux installations. Restart the VM.

Servers 40

Servers Software Engineering Systems Monitoring 40

Dynatrace

JULY 31, 2020

Loosely defined, Observability boils down to inferring the internal health and state of a system by looking at the external data it produces, which most commonly are logs, metrics, and traces. In order to fully understand the purpose of OpenTelemetry , we must first take a brief look at “Observability”.

Open Source 130

Open Source Metrics Google Java 130

Smashing Magazine

JULY 29, 2021

As for absolute units, we will dive in and see how they are affected by other things, such as the screen and the device’s operating system. Monitors used to look quite different back in the day! On design systems, CSS/JS and UX. And this is without taking into account the zoom state of the web browser and operating system.).

Operating System 145

Operating System Mobile Testing Systems 145

Dynatrace

JULY 8, 2020

Kubernetes has taken over the container management world and beyond , to become what some say the operating system or the new Linux of the cloud. Monitoring Kubernetes is an important aspect of Day 2 o perations and is often perceived as a significant challenge. Monitoring in the Kubernetes world . Dynatrace news.

Infrastructure 200

Infrastructure Monitoring Cloud Metrics 200

Scalegrid

OCTOBER 2, 2019

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service. PALO ALTO, Calif., The demand for Redis is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions.

Azure 37

Azure Cloud Open Source Virtualization 37

Percona

DECEMBER 20, 2018

We look forward to providing you with even better articles, news and information in 2019. As 2018 moves into 2019, let’s take a quick look back at some of the most popular posts on the blog this year. Percona Monitoring and Management: Look After Your pmm-data Container. Top 10 Most Read. A Look at MyRocks Performance.

Database 40

Database Tuning Performance AWS 40