Dynatrace

MARCH 17, 2021

You want to optimize your Citrix landscape with insights into user load and screen latency per server? The long-term outlook, of course, is to sunset the legacy Extension framework at some point in the future. Of course, for users who are comfortable with coding and are already using Python extensions, coded 2.0

Metrics 243

Metrics Monitoring Network Technology 243

O'Reilly

MARCH 25, 2025

Of course, we have opinions on all of these, but we think those arent the most useful questions to ask right now. Weve taught this SDLC in a live course with engineers from companies like Netflix, Meta, and the US Air Force and recently distilled it into a free 10-email course to help teams apply it in practice.

Systems 67

Systems Development Tuning Monitoring 67

Randon ASCII

SEPTEMBER 8, 2019

With a bit of column rearranging we get this impressive result: What this says is that, over the course of two right-mouse clicks, RuntimeBroker.exe , thread 10,252, issued 229,604 ReadFile calls, reading a total of 15,686,586 bytes. Now that we suspect file I/O it’s necessary to go to Graph Explorer-> Storage-> File I/O.

Latency 79

Latency Cache Programming Operating System 79

Speed Curve

JANUARY 19, 2025

Of course writes were much less common than reads, so I added a caching layer for reads, and that did the trick. So in addition to all the optimization work we did for Google Docs, I got to spend a lot of time and energy working on the measurement problem: how can we get end-to-end latency numbers?

Performance 98

Performance Google Speed Metrics 98

CSS Wizardry

OCTOBER 27, 2018

The short answers are, of course ‘all the time’ and ‘everyone’, but this mutual disownership is a common reason why performance often gets overlooked. Of course, it is impossible to fix (or even find) every performance issue during the development phase. Unfortunately, most issues do not get captured at this point. Who: Engineers.

Performance Testing 211

Performance Testing Testing Performance Strategy 211

VoltDB

MAY 14, 2024

Balancing Low Latency, High Availability and Cloud Choice Cloud hosting is no longer just an option — it’s now, in many cases, the default choice. Long-tail latency spikes would break a lot of if not most time-sensitive use cases, like IoT device control. But the cloud computing market, having grown to a whopping $483.9

Latency 52

Latency Availability Cloud Hardware 52

CSS Wizardry

AUGUST 13, 2019

Although this response has a 0B filesize, we will always take the latency hit on every single page view (and this response is basically 100% latency). com , which introduces yet more latency for the connection setup. On mobile connections, this can amount to whole seconds of delays, all sat on the Critical Path.

Latency 209

Latency Cache Strategy Media 209

Dynatrace

JUNE 25, 2021

Already in the 2000s, service-oriented architectures (SOA) became popular, and operations teams discovered the need to understand how transactions traverse through all tiers and how these tiers contributed to the execution time and latency. Of course, Dynatrace supports W3C Trace Context as well.

Open Source 279

Open Source Monitoring Google Systems 279

The Netflix TechBlog

MAY 14, 2021

It enables a Production Office Coordinator to keep a Production’s cast, crew, and vendors organized and up to date with the latest information throughout the course of a title’s filming. We are expected to process 1,000 watermarks for a single distribution in a minute, with non-linear latency growth as the number of watermarks increases.

Traffic 166

Traffic Java Latency Google 166

Dynatrace

MAY 17, 2023

The other sections on that page (such as Disk analysis) provide further information and charts on topics such as available disk space, latency, dropped network packets, refused connections, and more. This allows us to quickly tell whether the network link may be saturated or the processor is running at its limit.

Metrics 243

Metrics Database Monitoring Network 243

Sutter's Mill

FEBRUARY 12, 2024

I generally give one or two courses a year on C++ and related technologies. See the course link for details and a syllabus of topics that will be covered. Presented by Alfasoft.

C++ 40

C++ Latency Code Technology 40

High Scalability

MARCH 22, 2019

µs of replication latency on lossy Ethernet, which is faster than or comparable to specialized replication systems that use programmable switches, FPGAs, or RDMA.". At some point, the e-mail I send over WiFi will hit a wire, of course". We achieve 5.5 matthewstoller : I just looked at Netflix’s 10K.

Internet 134

Internet Internet Scalability Wireless 134

Sutter's Mill

FEBRUARY 13, 2017

Tue-Thu Apr 25-27: High-Performance and Low-Latency C++ (Stockholm). On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.” If you’re interested in attending, please check out the links, and I look forward to meeting and re-meeting many of you there.

Latency 48

Latency C++ Hardware Performance 48

Smashing Magazine

NOVEMBER 8, 2021

As developers, we rightfully obsess about the customer experience, relentlessly working to squeeze every millisecond out of the critical rendering path, optimize input latency, and eliminate jank. And, of course, the result needs to be seamless and delightful — dare we say, even fun — to develop and maintain. Ilya Grigorik.

Cache 139

Cache Best Practices Strategy Servers 139

The Morning Paper

JANUARY 28, 2020

Shredder is " a low-latency multi-tenant cloud store that allows small units of computation to be performed directly within storage nodes. " " Running end-user compute inside the datastore is not without its challenges of course. V8 is lightweight enough that it can easily support thousands of concurrent tenants.

Serverless 99

Serverless Storage Latency Cloud 99

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. The client MWW combines these estimates with an estimate of the input/output transmission time (latency) to find the worker with the minimum overall execution latency.

Mobile 104

Mobile Cloud Latency Games 104

The Morning Paper

NOVEMBER 10, 2019

Here are the bombshell paragraphs: Our datacenter applications seek ever more CPU-efficient and lower-latency communication, which Pony Express delivers. The desire for CPU efficiency and lower latencies is easy to understand. Upgrades are also rolled out progressively across the cluster of course. Emphasis mine).

Network 92

Network Transportation Latency Entertainment 92

All Things Distributed

OCTOBER 25, 2018

The new AWS Africa (Cape Town) Region will have three Availability Zones and provide lower latency to end users across Sub-Saharan Africa. Another program for higher education institutes is AWS Academy , which provides AWS-authorized courses for students to acquire in-demand cloud computing skills.

AWS 167

AWS Cloud Education Programming 167

The Morning Paper

FEBRUARY 6, 2020

Oh, and there’s a scheduler too of course to keep all the plates spinning. On the Cloudburst design teams’ wish list: A running function’s ‘hot’ data should be kept physically nearby for low-latency access. A low-latency autoscaling KVS can serve as both global storage and a DHT-like overlay network.

Serverless 98

Serverless Lambda Cache Latency 98

O'Reilly

FEBRUARY 18, 2025

Of course, theres more to making improvements than just relying on tools and metrics. 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). You also need to develop and follow processes.

Latency 64

Latency Tuning Metrics Testing 64

The Morning Paper

OCTOBER 6, 2019

Prediction serving latency matters. Lesson 4: prediction serving latency matters. In a experiment introducing synthetic latency, Booking.com found that an increase of about 30% in latency cost about 0.5% Even mathematically simple models have the potential of introducing relevant latency.

Latency 102

Latency Metrics Cache Design 102

The Morning Paper

OCTOBER 26, 2020

It’s limited by the laws of physics in terms of end-to-end latency. We saw earlier that there is end-user pressure to replace batch systems with much lower latency online systems. We are observing significant demand from users in terms of avoiding batch telemetry pipelines altogether. Emphasis mine ). Emphasis mine ).

Cloud 104

Cloud Big Data Latency Architecture 104

All Things Distributed

MARCH 26, 2018

One is that the latency within a zone is incredibly fast. To provide geographic diversity and lower latencies to end users. Of course, all sorts of automation immediately kick in to mitigate any impact to even that subset. " Silo your traffic or not – you choose. To allow Regions to act as standby sites for each other.

AWS 110

AWS Latency Lambda Architecture 110

Smashing Magazine

MARCH 25, 2021

Also, if you are not using a content delivery network (CDN) or multiple CDNs to map users to the closest edge regions for reduced latencies — a practice called suboptimal routing — you might slow down the start of the video. And of course, you need to host and deliver your images. You don’t have to offload your content.

Media 122

Media Performance Mobile Latency 122

The Morning Paper

NOVEMBER 15, 2020

Options 1 and 2 are of course the ‘scale out’ options, whereas option 3 is ‘scale up’. This makes the whole system latency sensitive. Improving the efficiency with which we can coordinate work across a collection of units (see the Universal Scalability Law ). Increasing the amount of work we can do on a single unit.

Servers 128

Servers Hardware Latency Design 128

Sutter's Mill

SEPTEMBER 11, 2020

Instead, I’ll be the panel moderator, and we have a great slate of panelists again this year: Bjarne Stroustrup (of course), Bryce Adelstein Lelbach (library evolution subgroup chair), Hana Dusíková (compile-time programming subgroup chair), Inbal Levi (Israel national chair), JC Van Winkel (Netherlands national chair and teaching subgroup chair), (..)

C++ 91

C++ Games Programming Latency 91

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. Both of these metrics will fluctuate over the course of a test, so we post metric values at regular intervals throughout the test. and often before they are even committed to the codebase.

Performance 208

Performance Performance Testing Metrics Testing 208

Percona

DECEMBER 11, 2023

DLVs are particularly advantageous for databases with large allocated storage, high I/O per second (IOPS) requirements, or latency-sensitive workloads. The DLV, of course, affects the WRITE operations the most, and hence, the write-only test should be given the most consideration for the comparison of the DLV configuration vs. standard RDS.

AWS 117

AWS Benchmarking Performance Traffic 117

All Things Distributed

JUNE 21, 2017

DynamoDB delivers predictable performance and single digit millisecond latencies for reads and writes to your application, whether you're just getting started and want to perform hundreds of reads or writes per second in dev and test, or you're operating at scale in production performing millions of reads and writes per second.

Speed 95

Speed Cache Latency AWS 95

The Morning Paper

JUNE 23, 2019

In ProtoCache (a component of a widely used Google application), 27% of its latency when using a traditional S+RInK design came from marshalling/un-marshalling. The network latency of fetching data over the network, even considering fast data center networks. Horses for courses! Fetching too much data in a single query (i.e.,

Cache 79

Cache Latency Google Network 79

Percona

JULY 20, 2023

Of course, there are “ClientWrite” events, which is the wait event related to writing the data to the client (pg_dump) in this case. Following wait events are captured from a really fast/low latency network. If the network is fast, we may see a good amount of CPU utilization and “DataFileRead” as a wait event.

Network 75

Network Performance Latency Servers 75

All Things Distributed

DECEMBER 12, 2018

They can run applications in Sweden, serve end users across the Nordics with lower latency, and leverage advanced technologies such as containers, serverless computing, and more. We help Supercell to quickly develop, deploy, and scale their games to cope with varying numbers of gamers accessing the system throughout the course of the day.

AWS 119

AWS Cloud Games Serverless 119

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Consistent performance matters just as much as low average latency. What's the problem?

Performance 99

Performance Latency Metrics Engineering 99

Percona

MARCH 23, 2023

These guidelines work well for a wide range of applications, though the optimal settings, of course, depend on the workload. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 144

Performance Hardware Tuning Storage 144

All Things Distributed

OCTOBER 2, 2017

" Of course, no technology change happens in isolation, and at the same time NoSQL was evolving, so was cloud computing. Performant – DynamoDB consistently delivers single-digit millisecond latencies even as your traffic volume increases.

Internet 111

Internet Internet AWS Performance 111

The Morning Paper

MARCH 3, 2020

This work is latency critical, because volume IO is blocked until it is complete. And, of course, it is designed to minimise the blast radius of any failures that do occur. Larger cells have better tolerance of tail latency (e.g. Thus the configuration master is under stress just when you need it the most. Physalia in the large.

Database 106

Database AWS Network Design 106

The Netflix TechBlog

DECEMBER 2, 2019

Take rebuffers per hour, for example, where the number of rebuffers a member has in the course of an experiment (the numerator) is usually 0, and a few members many have 1 to 5 rebuffers. We do not gain much reduction in data size by compressing the numerator as, in practice, we find that the number of unique numerator values is small.

Metrics 146

Metrics Strategy Testing Efficiency 146