Brendan Gregg

DECEMBER 30, 2017

My last talk for 2017 was at AWS re:Invent, on "How Netflix Tunes EC2 Instances for Performance," an updated version of my [2014] talk. WARNING: These tunables were developed in late 2017, for Ubuntu Xenial instances on EC2.** Casey Rosenthal (traffic and chaos) Models of Availability. We help where we can. schedtool –B PID.

Tuning 52

Tuning AWS Best Practices Network 52

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. The key word here is “monitoring” performance.

Speed 85

Speed Monitoring Testing Network 85

All Things Distributed

OCTOBER 2, 2017

In support of Amazon Prime Day 2017, the biggest day in Amazon retail history, DynamoDB served over 12.9 VPC Endpoints give you the ability to control whether network traffic between your application and DynamoDB traverses the public Internet or stays within your virtual private cloud. million requests per second.

Internet 110

Internet Internet AWS Performance 110

Smashing Magazine

DECEMBER 7, 2023

If you’re reading this before March 2024 and fire up your favorite performance monitoring tool, you’re going to to get a Core Web Vitals report like this one pulled from PageSpeed Insights: ( Large preview ) You’re likely used to seeing most of these metrics. DebugBear actually tests with a slower network, resulting in more accurate data.

Traffic 114

Traffic Metrics Google Website 114

The Symphonia

DECEMBER 6, 2017

Traffic shaping / canary deployment was pre-announced at Serverless Conf NYC in October, and this is now available. Like Lambda, API Gateway now supports canary deployment / traffic shaping. Monitoring widgets on the console are much better now, e.g. for selecting different time periods. out-of-the-box metric?—?‘concurrent

Serverless 40

Serverless Lambda AWS Traffic 40

Scalegrid

AUGUST 27, 2024

They utilize a routing key mechanism that ensures precise navigation paths for message traffic. Task Distribution in Web Servers In web applications experiencing high traffic levels, it is crucial to allocate tasks effectively to avoid overwhelming the servers. This reduces the risk of delays or errors in processing important tasks.

IoT 130

IoT Ecommerce Games Scalability 130

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. High cardinality keys can also reduce the likelihood of data hotspots and improve query performance by evenly distributing query traffic across shards. This helps prevent the creation of jumbo chunks and promotes better load balancing among shards.

Best Practices 98

Best Practices Traffic Database Servers 98

Percona

JULY 7, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. In PostgreSQL, failover can be triggered manually, or it can be automated — with monitoring systems initiating the action. Such a proxy acts as the traffic cop between the applications and the database servers.

Availability 98

Availability Open Source Architecture Database 98

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday. Another category that forms a critical part of many businesses operations is monitoring tools.

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

Delta Air Lines experienced a severe system outage in 2017, resulting in flight cancellations and delays across their network. The stakes are even higher during high-traffic periods such as Black Friday or Cyber Monday. Another category that forms a critical part of many businesses operations is monitoring tools.

Availability 52

Availability Social Media Traffic Games 52

Speed Curve

OCTOBER 25, 2023

I joined the team in early 2017, and I'm blown away at how quickly the years have flown by. With SpeedCurve Synthetic , you can monitor any other website in the same way that you can monitor your own website. You can prioritize them by how many URLs they affect or how much of your real user traffic they affect.

Benchmarking 72

Benchmarking Metrics Website Testing 72

Testsigma

JANUARY 13, 2021

Studies show that in 2017, the worldwide failure rate of iOS apps was as high as 54%, with Android apps crashing 10% of the time. Staggered Rollout : Consider adopting a staggered rollout plan to allow for adequate testing and monitoring. Load testing to prevent app crashes during high-traffic situations 8.

Mobile 54

Mobile Strategy Testing Efficiency 54

Percona

AUGUST 15, 2023

This blog was originally published in February 2017 and was updated in August 2023. Monitoring and Maintenance: Regularly monitor replication status and logs. Setting up failover mechanisms can be accomplished using load balancers or proxy servers that continuously monitor the health of the primary server.

Servers 52

Servers Database Availability Traffic 52

Enprowess

JANUARY 12, 2022

According to Ericsson’s analysis, international mobile data traffic is projected to become 4.5 Twitter Lite PWA : It was integrated as the standard User Interface in 2017. In addition to that, some libraries and tools like Webpack, Iconic, and lighthouse are also utilized to make specific functionalities to the apps.

Blockchain 59

Blockchain IoT Development Serverless 59

Alex Russell

OCTOBER 22, 2017

— Alex Russell (@slightlylate) October 4, 2017. Tools and CI systems help them monitor progress & prevent regressions. Contended, over-subscribed cells can make “fast” networks brutally slow, transport variance can make TCP much less efficient , and the bursty nature of web traffic works against us.

Performance 74

Performance Network Benchmarking Mobile 74

The Symphonia

MAY 22, 2018

Gojko Adzic has done some great speaking and writing on his experience here, and I included the link to his talk from late 2017. The monitoring section got renamed “ Monitoring and Observability ”. I was glad to be able to talk about Amazon’s automated traffic shifting / canary releases. Because of course it did.

Serverless 40

Serverless Architecture Lambda Azure 40

SQL Server According to Bob

JULY 17, 2018

85829 /opt/mssql/bin/sqlservr <——— WATCHDOG | MONITOR ??85844 The simple answer is the first entry (85829) is not what you are used to on a Windows system as sqlservr.exe and does not listen for TDS traffic or open database files. 85844 /opt/mssql/bin/sqlservr <——— SQLSERVER.EXE.

Servers 40

Servers Processing Software Engineering Traffic 40

SQL Server According to Bob

DECEMBER 18, 2018

Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be The trace flag does not apply to SQL Server on Linux SQL 2017 RTM thru CU5.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

JANUARY 21, 2021

After the latest redesign in late 2017, it was Ilya Pukhalski on the JavaScript side of things (part-time), Michael Riethmueller on the CSS side of things (a few hours a week), and yours truly, playing mind games with critical CSS and trying to juggle a few too many things. Moving From Automated Critical CSS Back To Manual Critical CSS.

Performance 111

Performance Cache Mobile Network 111

Smashing Magazine

JANUARY 7, 2019

Testing And Monitoring. Good for raising alarms and monitoring changes over time, not so good for understanding user experience. Good for describing the user experience and monitoring, not so good for knowing what happens between the milestones. Getting Ready: Planning And Metrics. Setting Realistic Goals. Assets Optimizations.

Performance 111

Performance Cache Network Metrics 111

The Netflix TechBlog

OCTOBER 14, 2024

However, when we captured packets on the ZeroMQ socket while reproducing the issue, we didn’t observe heavy traffic on this socket that could cause such blocking. Meanwhile, traffic from other ports, such as port 22 for SSH, remained unaffected. the JupyterLab process) rather than the network.

Latency 214

Latency Virtualization Traffic Processing 214