Dynatrace

JANUARY 16, 2023

Accordingly, the remaining 27% of clusters are self-managed by the customer on cloud virtual machines. On-premises data centers invest in higher capacity servers since they provide more flexibility in the long run, while the procurement price of hardware is only one of many cost factors.

Open Source 343

Open Source Java Operating System Programming 343

Dynatrace

AUGUST 11, 2022

Cloud providers then manage physical hardware, virtual machines, and web server software management. This code is then executed on remote servers in response to an event, such as users interacting with functional web elements. Breaking down the benefits of function as a service.

Development 250

Development Serverless Best Practices Lambda 250

Brendan Gregg

NOVEMBER 28, 2017

Hardware virtualization for cloud computing has come a long way, improving performance using technologies such as VT-x, SR-IOV, VT-d, NVMe, and APICv. The latest AWS hypervisor, Nitro, uses everything to provide a new hardware-assisted hypervisor that is easy to use and has near bare-metal performance. I'd expect between 0.1%

Virtualization 40

Virtualization AWS Hardware Storage 40

Dynatrace

SEPTEMBER 15, 2020

Dynatrace can help customers monitor, troubleshoot, and optimize application performance for workloads operating on AWS Outposts, in AWS Regions, and on customer-owned hardware for a truly consistent hybrid experience.”. “We are delighted to welcome Dynatrace to the AWS Outposts Ready Program. What is AWS Outposts?

AWS 200

AWS Design Cloud Storage 200

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Redundancy is also critical for disaster recovery.

Availability 109

Availability Database Open Source Hardware 109

Dynatrace

NOVEMBER 29, 2022

The purpose of infrastructure as code is to enable developers or operations teams to automatically manage, monitor, and provision resources, rather than manually configure discrete hardware devices and operating systems. Infrastructure as code is sometimes referred to as programmable or software-defined infrastructure. Register now!

Infrastructure 172

Infrastructure Code Cloud DevOps 172

Adrian Cockcroft

JANUARY 17, 2022

There were five trends and topics for 2021, Serverless First, Chaos Engineering, Wardley Mapping, Huge Hardware, Sustainability. link] For 2022 my focus is on sustainability, and I’m planning to present at events?—?primarily primarily virtual?—?and I blogged a summary of my map camp talk here: Map Camp 2021?—?links

Serverless 98

Serverless Hardware AWS Architecture 98

Dynatrace

APRIL 15, 2022

Organizations hit this cloud operations wall when replacing static virtual machines with dynamic container orchestration and expanding to multicloud environments. While modern cloud systems simplify tasks — such as deploying apps and provisioning new hardware and servers — cloud environments can be surprisingly complex.

Cloud 177

Cloud Infrastructure Innovation Monitoring 177

The Netflix TechBlog

NOVEMBER 9, 2022

While we understand it’s virtually impossible to achieve a linear increase in throughput as the number of vCPUs grow, a near-linear increase is attainable. Again, we came away empty-handed as there was no noticeable difference in the amount or the distribution of the events between the “slow” and “fast” nodes.

Hardware 363

Hardware Cache Performance Latency 363

Brendan Gregg

MARCH 16, 2024

It was also a virtual machine that lacked low-level hardware profiling capabilities, so I wasn't able to do cycle analysis to confirm that the 10% was entirely frame pointer-based. AET (Archetectural Event Trace) : Another Intel thing. The actual overhead depends on your workload. Just to name a couple of languages.

Java 145

Java Cache Google Hardware 145

Percona

JULY 7, 2023

HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. there cannot be high availability.

Availability 84

Availability Open Source Architecture Database 84

HammerDB

OCTOBER 23, 2023

The data shows a scripted automated workload running a number of back to back tests each time with an increasing number of virtual users. Using MariaDB and analysing performance at a workload of 80 Virtual Users the first place we can look at is the information schema user_statistics to quantify the difference in the database traffic.

Benchmarking 62

Benchmarking Database Network C++ 62

HammerDB

FEBRUARY 25, 2021

To benchmark a database we introduce the concept of a Virtual User. We could use processes, however given we may want to create hundreds or thousands of virtual users multithreading is the best approach to implement a Virtual User. Basic Benchmarking Concepts. The Python GIL. Tcl Multithreading in parallel.

Programming 67

Programming Benchmarking Virtualization C++ 67

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. These factors meant that often when looking for database performance information, the results for a particular combination of software and hardware were not available. What is HammerDB? Why HammerDB was developed.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

HammerDB

NOVEMBER 22, 2021

The example shows a TPROC-C workload running with 4 Active Virtual Users. The example has a configuration set to illustrate a number of wait events and has therefore not been configured for performance. The options enable the user to drill down on the SQL running in the database, the wait events and the user statistics.

Metrics 62

Metrics Benchmarking C++ Database 62

Dotcom-Montior

NOVEMBER 24, 2021

These systems can include physical servers, containers, virtual machines, or even a device, or node, that connects and communicates with the network. Synchronization is achieved through a logical clock to maintain and order events. Software and hardware components are autonomous and execute tasks concurrently. No Shared Memory.

Systems 74

Systems Monitoring Hardware Network 74

Percona

JUNE 20, 2023

In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. Here, virtual(logical) to physical address translation is much easier as segment tables store adequate information. A detailed description of these concepts is below.

Programming 84

Programming C++ Database Virtualization 84

Percona

AUGUST 15, 2023

Lastly, in the event of a catastrophic scenario, data and databases can be quickly recovered , as replication provides for geographically dispersed duplicates of data. It’s a rather new plugin build for virtual synchronous replication. This reduces the risk of data loss in the event of a primary server failure.

Servers 52

Servers Database Availability Traffic 52

Brendan Gregg

AUGUST 18, 2019

bpftrace is suited for this kind of analysis: decomposing metrics into distributions or per-event logs, and creating new metrics for visibility into blind spots. This example instrumented one of many thousands of available events. software Kernel software-based events. hardware Hardware counter-based instrumentation.

Latency 68

Latency C++ Cache Programming 68

SQL Performance

JULY 3, 2019

This is the same kind of problem that I talked about in my Extended Events series as well, in this blog post: Using Multiple Targets to Debug Orphaned Transactions. The timeout is not SQL Server related, it is set by the.NET client and the CommandTimeout property, so that too is code related and not SQL Engine related behavior.

Servers 64

Servers Hardware Code Virtualization 64

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. I had attended these events when I was based in the UK, but became one of the organizers.

Tuning 52

Tuning Benchmarking Engineering C++ 52

SQL Server According to Bob

DECEMBER 18, 2018

Receive the data write complete event in the block device’s write completion routine. Linux may need similar utilities to control various hardware cache installations. product: Virtual Disk. Msft Virtual Disk 1.0 You should always validate the Fua capabilities with your device and hardware vendor. Device Flush.

Servers 90

Servers Media Cache Storage 90

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. Now that we have talked about what an incident is, incident management is the process by which teams resolve these events and bring systems and services back to normal operation. Asset Management.

Social Media 90

Social Media Monitoring Latency DevOps 90

HammerDB

DECEMBER 5, 2020

A full understanding of why this is important requires some knowledge of the evolution of database hardware and software. Additionally because the number of Virtual Users is lower for the HammerDB default mode (see below for alternatives) each Virtual User will choose a home warehouse at random.

C++ 40

C++ Benchmarking Virtualization Open Source 40

Particular Software

MARCH 11, 2019

Unfortunately it makes ordered delivery virtually impossible to support. Instead of scaling up, where you buy more powerful and expensive hardware, you scale out by having more servers processing messages. In this case, the saga does virtually the same thing. The ability to scale out is a very powerful feature.

Virtualization 69

Virtualization Scalability Servers Processing 69

Randon ASCII

APRIL 14, 2020

The table at the top ( Generic Events ) is showing keystrokes, as recorded by UIforETW. I tried to tap the control key (virtual key code 162) once a second until the password input field appeared. Is a second or more of busy waiting really the only way to get my hardware going? The events are designed for maximum confusion.

Programming 89

Programming Processing Systems Hardware 89

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. It will also use less power than a two-socket Intel server, with a lower hardware cost, and potentially lower licensing costs (for things like VMware).

Servers 52

Servers Benchmarking Virtualization Architecture 52

Alex Russell

APRIL 29, 2021

Pointer Events. Now in development in WebKit after years of radio silence, WebXR APIs provide Augmented Reality and Virtual Reality input and scene information to web applications. is access to hardware devices. This allows customisation and use of specialised features without custom, proprietary software for niche hardware.

Media 145

Media Games Education Engineering 145

Randon ASCII

AUGUST 16, 2018

When a Windows program stops pumping messages there will be ETW events emitted to indicate exactly where this happened , so those types of hangs are trivial to find. So I modified my virtual memory scanner to count how many blocks were in the CFG region (just look for the 2 TiB reservation) and how many blocks were tagged as executable.

Programming 75

Programming Virtualization Code Processing 75

Abhishek Tiwari

DECEMBER 27, 2017

Containerized data workloads running on Kubernetes offer several advantages over traditional virtual machine/bare metal based data workloads including but not limited to. Similarly, event-driven stream data processing is a lot easier to implement as microservices running on top Kubernetes. better cluster resource utilization.

Big Data 63

Big Data Storage Benchmarking Hardware 63

Brendan Gregg

SEPTEMBER 5, 2017

Linux has been adding tracing technologies over the years: kprobes (kernel dynamic tracing), uprobes (user-level dynamic tracing), tracepoints (static tracing), and perf_events (profiling and hardware counters). What happens if processes really do try to populate all that virtual memory? x series.

Virtualization 76

Virtualization AWS Engineering Hardware 76

SQL Server According to Bob

JANUARY 11, 2020

The modifications persist even in the event of a system failure. 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

Percona

AUGUST 27, 2018

Essentially, you can assign a thread to a specific virtual CPU. assigning to a specific CPU) is a manageable resource, represented by the concept of “virtual CPU” as a term that includes CPU cores, hyperthreads, hardware threads, and so forth. MySQL determines, at startup, how many virtual CPUs are available.

Tuning 45

Tuning Virtualization Testing Servers 45

SQL Server According to Bob

JANUARY 11, 2020

url=/library/en-us/fileio/fs/file_streams.asp ) Harden or Hardening To ​​ harden ​​ is to require ​​ that ​​ data be stored on stable media during a specific event; the data is not ​​ just ​​ in a cache that could be lost if power was lost.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 11, 2021

In the end, it’s not the load events or server response times that define the experience, but the perception of how snappy the interface feels. Custom metrics measure a particular, custom event for the user, e.g. Twitter’s Time To First Tweet and Pinterest’s PinnerWaitTime. What does it mean? First Input Delay ( FID ) < 100ms.

Performance 145

Performance Cache Media Metrics 145