Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 140

Performance Latency Hardware Storage 140

ACM Sigarch

MAY 31, 2023

However, building and utilizing HCM presents challenges, including interconnecting various memory technologies (e.g., There are three common mechanisms to access remote memory: modifying applications, modifying virtual memory, and hardware-level cache coherence support. The recently announced CXL3.0 The recently announced CXL3.0

Latency 52

Latency Hardware Cache Architecture 52

Dynatrace

SEPTEMBER 30, 2021

Digital transformation, the process of integrating digital technology into all areas of a business, is a foundational change in how modern organizations deliver value to customers and improve internal processes. Cloud migration can also be an opportunity for organizations to embrace green-field technologies and projects from the ground up.

Cloud 165

Cloud Traffic Best Practices Strategy 165

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. It's an important vendor-neutral space to share the latest in technology.

Performance 110

Performance Latency Cache Virtualization 110

The Morning Paper

OCTOBER 4, 2020

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. Throughput and latency. energy consumption).

Energy 130

Energy Latency Performance Network 130

Dotcom-Montior

MAY 12, 2020

Website and web application technologies have grown tremendously over the years. Network latency. Hardware resources. Network Latency. With the evolution of cloud technologies, such as Single Page Applications (SPAs), Web APIs, and Model View Controller (MVC), network latency has become a crucial factor to be monitored.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Dotcom-Montior

NOVEMBER 24, 2021

With the rapid advancements in web application technologies, programming languages, cloud computing services, microservices, hybrid environments, etc., Software and hardware components are autonomous and execute tasks concurrently. This also includes latency, or the time it takes for data or a request to get through a network.

Systems 74

Systems Monitoring Hardware Network 74

Brendan Gregg

JULY 4, 2021

It's an exciting time for developments in computer performance, not just for the BPF technology (which I often [write about]) but also for processors with 3D stacking and cloud vendor CPUs (e.g., This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 52

Performance Latency Hardware Storage 52

SQL Performance

APRIL 27, 2020

Gen 5 is the primary hardware option now for most regions since Gen 4 is aging out. There is a lot of awesome technology involved with Hyperscale in how it is architected to use SSD-based caches and page servers. New Hardware Configuration for Provisioned Compute Tier. GB per vCore.

Azure 55

Azure Database Serverless Hardware 55

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. It was a great privilege.

Performance 52

Performance Latency Cache Virtualization 52

Dynatrace

OCTOBER 1, 2021

In these modern environments, every hardware, software, and cloud infrastructure component and every container, open-source tool, and microservice generates records of every activity. Observability relies on telemetry derived from instrumentation that comes from the endpoints and services in your multi-cloud computing environments.

Metrics 363

Metrics Open Source Monitoring Infrastructure 363

The Morning Paper

MARCH 17, 2020

higher latency and lower bandwidth)… We have found the actual behavior of Optane DIMMs to be more complicated and nuanced than the "slower, persistent DRAM" label would suggest. The read latency for Optane is 2x-3x higher than DRAM. Optane DIMMs are here! Optane memory is also more pattern-dependent than DRAM.

Scalability 59

Scalability Latency Cache Media 59

Percona

MAY 2, 2023

Also, the redo log capacity is not the same as the redo log buffer, so it mixes different technologies and concepts. However, it’s important to note that the optimal value may vary depending on your specific workload and hardware configuration. 16) and monitoring the server’s performance. The answer could be better.

Social Media 121

Social Media Database Servers Cache 121

Dotcom-Montior

DECEMBER 8, 2021

In the context of IT (Information Technology), an incident is simply an event or issue that disrupts normal operation or quality of service. ITSM is one of the practices of the Information Technology Infrastructure Library, or ITIL. Software services still require physical devices and hardware for them to function.

Social Media 90

Social Media Monitoring Latency DevOps 90

The Morning Paper

NOVEMBER 5, 2019

Breaking that assumption allowed Ceph to introduce a new storage backend called BlueStore with much better performance and predictability, and the ability to support the changing storage hardware landscape. But let’s take a quick look at the changing hardware landscape before we go on… The changing hardware landscape.

Storage 64

Storage Systems Hardware Efficiency 64

The Morning Paper

MAY 21, 2019

This boils down to a single digit µs latency toleration in the tail for far memory, and in addition to security and privacy concerns, rules out remote memory solutions. Thus we’re fundamentally trading (de)-compression latency at access time for the ability to pack more data in memory.

Software 78

Software Software Google Hardware 78

VoltDB

JUNE 29, 2017

Most existing adtech infrastructure simply can not achieve the required latency. VoltDB provides the necessary technology to achieve the latency required by header bidding. However, increasing hardware capacity doesn’t really solve the problem, and it introduces new ones. Another adtech infrastructure problem is capacity.

Performance 40

Performance Hardware Latency Infrastructure 40

VoltDB

JUNE 29, 2017

Most existing adtech infrastructure simply can not achieve the required latency. VoltDB provides the necessary technology to achieve the latency required by header bidding. However, increasing hardware capacity doesn’t really solve the problem, and it introduces new ones. Another adtech infrastructure problem is capacity.

Performance 40

Performance Hardware Latency Infrastructure 40

The Morning Paper

MAY 14, 2019

Last time around we looked at the DeathStarBench suite of microservices-based benchmark applications and learned that microservices systems can be especially latency sensitive, and that hotspots can propagate through a microservices architecture in interesting ways. on end-to-end latency) and less than 0.15% on throughput.

Big Data 45

Big Data Cloud Performance Hardware 45

CSS - Tricks

JULY 25, 2019

To understand how these changes affect us from a performance perspective, we need to grasp the underlying technology. Estimated Input Latency. Estimated Input Latency. It’s time to come to terms that your customers aren’t using the same powerful hardware as you. PageSpeed 5.0 is a complete overhaul of previous editions.

Google 71

Google Engineering Speed Mobile 71

Alex Russell

MARCH 6, 2021

Hardware Past As Performance Prologue. Regardless, the overall story for hardware progress remains grim, particularly when we recall how long device replacement cycles are: Tap for a larger version. Sadly, data on latency is harder to get, even from Google's perch, so progress there is somewhat more difficult to judge.

Performance 124

Performance Network Cache Metrics 124

Abhishek Tiwari

JULY 12, 2018

Here are 8 fallacies of data pipeline The pipeline is reliable Topology is stateless Pipeline is infinitely scalable Processing latency is minimum Everything is observable There is no domino effect Pipeline is cost­-effective Data is homogeneous The pipeline is reliable The inconvenient truth is that pipeline is not reliable.

Latency 63

Latency Analytics Scalability Engineering 63

All Things Distributed

JULY 13, 2010

During my academic career, I spent many years working on HPC technologies such as user-level networking interfaces, large scale high-speed interconnects, HPC software stacks, etc. When instances are placed in a cluster they have access to low latency, non-blocking 10 Gbps networking when communicating the other instances in the cluster.

Cloud 118

Cloud AWS Automotive Latency 118

SQL Server According to Bob

SEPTEMBER 26, 2016

When we released Always On Availability Groups in SQL Server 2012 as a new and powerful way to achieve high availability, hardware environments included NUMA machines with low-end multi-core processors and SATA and SAN drives for storage (some SSDs). As we moved towards SQL Server 2014, the pace of hardware accelerated.

Availability 40

Availability Servers Hardware Benchmarking 40

Alex Russell

JANUARY 30, 2024

HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. " This doesn't mean that 4G is one thing, or that it's deployed evenly, or even that the available spectrum will remain stable within a single generation of radio technology.

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

AUGUST 3, 2021

Different browsers running on different platforms and hardware, respecting our user preferences and browsing modes (Safari Reader/ assistive technologies), being served to geo-locations with varying latency and intermittency increase the likeness of something not working as intended. More after jump!

Network 145

Network Engineering Availability Monitoring 145

SQL Server According to Bob

JANUARY 11, 2020

Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. Example 1: ​​ Hardware failure (CPU board) Battery backup on the caching controller maintained the data. Important Always consult with your hardware manufacturer for proper stable media strategies.

Servers 40

Servers Cache Media Hardware 40

O'Reilly Software

APRIL 4, 2018

To remain competitive in a market that demands real-time responses to these digital pulses, organizations are adopting fast data applications as key assets in their technology portfolio. The adoption of fast data technologies is on a steep rise. Apache Kafka is currently the leading project in this area.

Architecture 80

Architecture Scalability Google Operating System 80

Alex Russell

JUNE 20, 2020

In each quantum of time, hardware and OS vendors press ahead, adding features. As OS and hardware deployed base integrate these components, the set of what most computers can do is expanded. This is often determined by hardware integration and device replacement rates.

Hardware 55

Hardware Games Java Media 55

Dynatrace

AUGUST 5, 2019

It covers these key areas: Technology & Dependency Analysis. Step 1: Get to Know your Technology & Service Stack. Before starting any migration project, you must have a good overview of all your hosts, processes, services and technologies. Which technologies are candidates to be moved? What’s in your stack?”.

Cloud 31

Cloud Traffic Database Network 31

Alex Russell

OCTOBER 22, 2017

Most partners we work with are not aware of the real-world operating environment and make inappropriate technology choices as a result. It simulates a link with a 400ms RTT and 400-600Kbps of throughput (plus latency variability and simulated packet loss). Can they trust the TLs to recommend new technology or large re-investments?

Performance 68

Performance Benchmarking Network Mobile 68

Brendan Gregg

SEPTEMBER 5, 2017

Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. And namespaces, used for Linux containers, are also a relevant technology. Hit Ctrl-C to end. ^C I also checked a task list from /sys/fs/cgroup, and saw it's in a docker cgroup.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Tim Kadlec

SEPTEMBER 25, 2014

Another interesting note was how significant the impact of hardware has on the timing. In addition, as the cost of technology cheapens, we’re going to continue seeing an incredibly diverse set of connected devices. Google had a great post a few years back about how they reduced startup latency for Gmail.

Latency 41

Latency Google Hardware Servers 41

All Things Distributed

APRIL 4, 2017

The new region will give Nordic-based businesses, government organisations, non-profits, and global companies with customers in the Nordics, the ability to leverage the AWS technology infrastructure from data centers in Sweden. In making the switch to AWS, WOW air has saved between $30,000 and $45,000 on hardware, and software licensing.

AWS 116

AWS Airlines Latency Games 116

Highly Scalable

AUGUST 20, 2013

This system has been designed to supplement and succeed the existing Hadoop-based system that had too high latency of data processing and too high maintenance costs. In addition, we survey the current and emerging technologies and provide a few implementation tips. This observation suggests that incremental processing might be used.

Big Data 154

Big Data Processing Lambda Database 154

SQL Server According to Bob

JANUARY 11, 2020

​​ The larger sector sizes involve newer technology and require API changes at the operating system level. ​​ Extended Data: ​​ “incorrect checksum (expected:​​ ## ; actual:​​ ## )” Contact your hardware manufacture for assistance.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 7, 2019

Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms. On the other hand, we have hardware constraints on memory and CPU due to JavaScript parsing times (we’ll talk about them in detail later). A good starting point is to choose a good default stack for your application.

Performance 103

Performance Cache Metrics Network 103