Scalegrid

FEBRUARY 8, 2024

Key Takeaways Distributed storage systems benefit organizations by enhancing data availability, fault tolerance, and system scalability, leading to cost savings from reduced hardware needs, energy consumption, and personnel. They maintain fault tolerance and redundancy by replicating this information throughout various nodes in the system.

Storage 130

Storage Systems Big Data Azure 130

Scalegrid

JANUARY 5, 2024

Despite initial investment costs, DBMS presents long-term savings and improved efficiency through automated processes, efficient query optimizations, and scalability, contributing to enhanced decision-making and end-user productivity. By implementing data abstraction techniques, these challenges can be addressed more effectively.

Efficiency 147

Efficiency Storage Database Scalability 147

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. About CXL hardware availability with academia.

Latency 52

Latency Hardware Cache Architecture 52

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Microservices fundamentally change a lot of assumptions current cloud systems are designed with, and present both opportunities and challenges when optimizing for quality of service (QoS) and utilization.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Dynatrace

AUGUST 30, 2019

Reducing CPU Utilization to now only consume 15% of initially provisioned hardware. Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Missing caching layers, e.g. provide a read-only cache for static data. Missing retry and failover implementations.

Cache 195

Cache Architecture Database Government 195

Scalegrid

DECEMBER 21, 2023

To monitor Redis® instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Advanced monitoring techniques enable you to identify potential issues, such as high latency, CPU utilization, command throughput, and cache hit rate before they become major problems.

Strategy 130

Strategy Monitoring Latency DevOps 130

CSS Wizardry

AUGUST 7, 2019

Strap yourself in; here is a non-exhaustive list presented in no particular order: Latency: As above, we’re counting a trip out to and a return trip from the server. only to find that the resource they’re requesting isn’t in that PoP ’s cache. Rather, your TTFB represents any number of the items present above.

Latency 269

Latency Ecommerce Servers Mobile 269

The Morning Paper

MARCH 8, 2020

This paper presents Snowflake design and implementation along with a discussion on how recent changes in cloud infrastructure (emerging hardware, fine-grained billing, etc.) The caching use case may be the most familiar, but in fact it’s not the primary purpose of the ephemeral storage service.

Storage 112

Storage Engineering Cache Serverless 112

Testsigma

JUNE 3, 2021

These software errors are usually uncovered during functionality testing, mostly can be present as: Difficult/ confusing functionality: If the user is unable to understand or perform a function on the application, then it should change. Hardware error. We focus on software so much that we forget about the hardware failures.

Software 82

Software Software Testing Hardware 82

Percona

MAY 2, 2023

ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory. If we expand the cache concept more, the buffer pool could be even less if the working set (hot data) is smaller. Questions Q: I have a MySQL server with 500 GB of RAM; my data set is 100 GB. How large my InnoDB buffer pool needs to be?

Social Media 122

Social Media Database Servers Cache 122

Brendan Gregg

FEBRUARY 28, 2023

Make sure your system can handle next-generation DRAM,” [link] Nov 2011 - [Hruska 12] Joel Hruska, “The future of CPU scaling: Exploring options on the cutting edge,” [link] Feb 2012 - [Gregg 13] Brendan Gregg, “Blazing Performance with Flame Graphs,” [link] 2013 - [Shimpi 13] Anand Lal Shimpi, “Seagate to Ship 5TB HDD in 2014 using Shingled Magnetic (..)

Performance 110

Performance Latency Cache Virtualization 110

ACM Sigarch

JULY 17, 2023

An example of a specification is the correct operation of the hardware of a microprocessor. An SDC is the worst possible outcome of a fault, as it can have an arbitrary impact on the correctness of software running on the hardware. The figure below presents a historical retrospective of the soft error problem as a timeline.

Energy 52

Energy Hardware Best Practices Architecture 52

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. If a primary server fails, a backup server can take over and continue to serve requests.

Availability 110

Availability Database Open Source Hardware 110

The Morning Paper

MARCH 17, 2020

Based on these findings, the authors present four guidelines to get the best performance out of this memory today. Optane DIMMs have lower latency and higher bandwidth than storage devices connected over PCIe (including Optane SSDs), and present a memory address-based interface as opposed to a block-based NVMe interface. to 0.98.

Scalability 59

Scalability Latency Cache Media 59

Sutter's Mill

FEBRUARY 13, 2017

” This contains updated and new material that reflects the latest C++ standards and compilers, with a focus to using modern C++11/14/17 effectively on modern hardware and memory architectures. I’ll pick which one (or more) of those topics to present sometime in March.

Latency 51

Latency C++ Hardware Performance 51

The Morning Paper

DECEMBER 8, 2019

On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM. The beauty of persistent memory is that we can use memory layouts for persistent data (with some considerations for volatile caches etc. What about security?

Hardware 56

Hardware Programming Media Storage 56

ACM Sigarch

FEBRUARY 23, 2018

The rest of the article presents some examples of this behavior and how it impacts our field, whether we care to admit it or not. Present Bias. In Thaler’s book, he uses the term “present bias” to describe how people discount the future and give larger weight or value to decisions that are closer in time. Discounting the Past.

Architecture 47

Architecture Cache Hardware Virtualization 47

Alex Russell

MARCH 6, 2021

A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. Hardware Past As Performance Prologue. This 2GiB RAM, Android 9 stalwart features the all-too classic lines of a Quad-core A53 (1.4GHz, small mercies) CPU, tastefully presented in a charming 5.5"

Performance 124

Performance Network Cache Metrics 124

SQL Server According to Bob

JANUARY 11, 2020

​​ Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

Alex Russell

APRIL 29, 2021

Helps developers present better, more contextual options and prompts, reducing user annoyance and "prompt spam" Screen Wakelock. Important for apps that present boarding passes and QR codes for scanning, as well as and presentation apps (e.g. is access to hardware devices. Permissions API. Content Indexing.

Media 145

Media Games Education Engineering 145

Brendan Gregg

FEBRUARY 28, 2023

Make sure your system can handle next-generation DRAM,” [link] , Nov 2011 [Hruska 12] Joel Hruska, “The future of CPU scaling: Exploring options on the cutting edge,” [link] , Feb 2012 [Gregg 13] Brendan Gregg, “Blazing Performance with Flame Graphs,” [link] , 2013 [Shimpi 13] Anand Lal Shimpi, “Seagate to Ship 5TB HDD in 2014 using Shingled Magnetic (..)

Performance 52

Performance Latency Cache Virtualization 52

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? Lighthouse records metrics from the browser, applies a scoring model to them, and presents an overall performance score. Service workers that will cache the bytecode result of a parsed and compiled script. After that, it’ll be mitigated by cache. What changed in PageSpeed 5.0? In PageSpeed 5.0,

Google 71

Google Engineering Speed Mobile 71

The Morning Paper

FEBRUARY 20, 2020

" This is very important performance-wise: unlike most traditional ML frameworks, NN engines support out-of-the-box hardware acceleration through GPUs/FPGAs/NPUs as well as code generation." For single or very small numbers of predictions, Raven is faster due to SQL Server’s caching. " Query execution. The last word.

Processing 72

Processing Hardware Database Azure 72

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. FILE_FLAG_NO_BUFFERING is the Win32, CreateFile API flags and attributes setting to bypass file system cache. FILE_FLAG_NO_BUFFERING is the Win32, CreateFile API flags and attributes setting to bypass file system cache.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. This improves page load time and caching during navigations.

Performance 145

Performance Cache Media Metrics 145

The Morning Paper

DECEMBER 1, 2019

Memory might be durable, but… …it is expected that caches and registers will remain volatile. State-of-the-art constructions of durable lock-free sets, denoted Log-Free Data Structures, were recently presented by David et al.,

Efficiency 60

Efficiency Cache C++ Performance 60

Percona

APRIL 17, 2023

Make sure the drives are mounted with noatime and also if the drives are behind a RAID controller with appropriate battery-backed cache. Furthermore, proper mount options can improve performance noticeably. By default, it uses 50% of the memory + 1 GB. Set the value to 60-70% and monitor the memory usage.

Best Practices 52

Best Practices Design Tuning Database 52

Smashing Magazine

JANUARY 6, 2020

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). Gatsby (React), Vuepress (Vue) Preact CLI , and PWA Starter Kit provide reasonable defaults for fast loading out of the box on average mobile hardware. ??Also,

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

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). Gatsby.js (React), Preact CLI , and PWA Starter Kit provide reasonable defaults for fast loading out of the box on average mobile hardware. Image credit: Addy Osmani ) ( Large preview ).

Performance 103

Performance Cache Metrics Network 103

John McCalpin

DECEMBER 6, 2016

The modes that are important are: “Flat” vs “Cache” In “Flat” mode, MCDRAM memory is used as directly accessible memory, occupying the upper 16 GiB of physical address space. In “Cache” mode, MCDRAM memory is used as an L3 cache for the main DDR4 memory. numactl). GHz nominal).

Latency 40

Latency Cache Testing Systems 40

ACM Sigarch

NOVEMBER 1, 2019

This blog post gives a glimpse of the computer systems research papers presented at the USENIX Annual Technical Conference (ATC) 2019, with an emphasis on systems that use new hardware architectures. GAIA proposed to expand the OS page cache into accelerator memory. ATC ’19 was refreshingly different. Heterogeneous ISA.

Architecture 12

Architecture Hardware Cache Storage 12

SQL Server According to Bob

JANUARY 11, 2020

​​ Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information presented after the date of publication. This White Paper is for informational purposes only.

Servers 40

Servers Cache Database Media 40

SQL Server According to Bob

AUGUST 23, 2021

​​ Can be configured to use a subset of the CPUs presented by the OS from the same memory node. The decision is performance driven. ​​ A memory node represents the memory associated with a group of CPUs from the physical hardware. The scheduling node must : Remain within a single memory node.

Servers 40

Servers Azure Operating System Database 40

SQL Performance

MARCH 8, 2021

This uses hardware, typically a crystal oscillator, that produces ticks at a very high constant rate regardless of processor speed, power settings, or anything of that nature. Total elapsed time is 933ms with 6,673ms of CPU time with a warm cache. Multiple separate adjustments may be present in a single execution plan.

Servers 95

Servers Tuning Architecture Processing 95

The Morning Paper

SEPTEMBER 12, 2019

SQL provides a declarative programming interface, below which the system itself can figure out the most effective execution plans based on data size and statistics, layout, compute hardware etc. An induced pipeline breaker is one that would not have been present in an optimal physical plan but was forced by the cut.

Network 44

Network Database Programming Hardware 44

Smashing Magazine

APRIL 29, 2021

Device Pixel Ratio (DPR) represents how a CSS pixel is translated to physical pixels on a hardware screen. You ideally want to lazy-load all images present outside of the initial viewport and avoid it for everything that is within the initial viewport. will optimize images dynamically upon request and store them in a local cache.

Media 145

Media Network Metrics Mobile 145

All Things Distributed

JANUARY 18, 2012

Each service encapsulates its own data and presents a hardened API for others to use. A database service that only presents a table interface with a restricted query set is a very important building block for many developers. Most importantly, direct database access to the data from outside its respective service is not allowed.

Scalability 167

Scalability Database Ecommerce Latency 167