KeyCDN

MAY 6, 2020

The feature WebP caching and Brotli compression is now also available for Push Zones! WebP caching is automatically active once Image Processing is enabled and will transform images to WebP if the client supports the format. How to deliver WebP Once the feature Image Processing is enabled, there's no further action required.

Cache 93

Cache Mobile Website Processing 93

The Netflix TechBlog

DECEMBER 17, 2019

Nonetheless, we found a number of limitations that could not satisfy our requirements e.g. stalling the processing of log events until a dump is complete, missing ability to trigger dumps on demand, or implementations that block write traffic by using table locks. Some of DBLog’s features are: Processes captured log events in-order.

Database 206

Database Traffic Transportation Open Source 206

Smashing Magazine

JUNE 20, 2019

2019-06-20T11:00:16+02:00. 2019-06-20T10:35:07+00:00. Browser Caching. Another built-in optimization of Google Fonts is browser caching. As the Google Fonts API becomes more widely used, it is likely visitors to your site or page will already have any Google fonts used in your design in their browser cache.

Google 111

Google Performance Cache Website 111

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.

Architecture 12

Architecture Hardware Cache Storage 12

SQL Performance

MARCH 30, 2021

) ; My test environment is SQL Server 2019 CU9 on a laptop with 8 cores and 16GB of memory allocated to the instance. Running a parallel plan on a single thread can also happen when a cached parallel plan is reused by a session that is limited to DOP 1 by an environmental setting (e.g. It can be downloaded at the same link.

Cache 98

Cache Servers Processing Operating System 98

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. Advances in browser content processing. The worldwide ASP 18 months ago was ~$300USD , so the average performance in the deployed fleet can be represented by a $300 device from mid-2019.

Performance 127

Performance Network Mobile Metrics 127

Smashing Magazine

JULY 29, 2019

2019-07-29T14:00:59+02:00. 2019-07-29T13:06:57+00:00. The United Kingdom is ranked 34th out of 207 countries for broadband speed, but in July 2019 there was still a school in the UK without broadband. Let’s talk about caching. We’re going to check out Cache-Control. I Used The Web For A Day On A 50 MB Budget.

Cache 99

Cache Mobile Google Network 99

MachMetrics

DECEMBER 27, 2019

TTFB is typically reduced via server-side optimizations, such as enabling caching and database indexes. This metric is the time from a visitors first interaction with the page, until the browser is ready to process that event. The post Year in Web Performance: 2019 appeared first on MachMetrics Speed Blog.

Performance 52

Performance Speed Website Mobile 52

Brendan Gregg

AUGUST 29, 2021

Problem Statement The microservice managed and processed large files, including encrypting them and then storing them on S3. Reads usually have apps waiting on them; writes may not (write-back caching). total used free shared buff/cache available Mem: 64414 15421 349 5 48643 48409 Swap: 0 0 0. Counting cache functions.

Cache 78

Cache C++ AWS Java 78

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 103

Performance Latency Cache Virtualization 103

SQL Performance

MARCH 29, 2022

Simple parameterization has a number of quirks in this area, which can result in more parameterized plans being cached than expected, or finding different results compared with the unparameterized version. For the time being, let’s look at some examples using the Stack Overflow 2010 database on SQL Server 2019 CU 14. DisplayName.

Cache 90

Cache Servers Database Testing 90

The Morning Paper

OCTOBER 4, 2020

The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 Emerging architectures that shorten the path length, e.g. edge caching and computing, may also confine the latency. The bulk of this latency comes from on-device frame processing, not network transmission delay.

Energy 130

Energy Latency Performance Network 130

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., He also talked about common pitfalls of stream-processed data like out of order processing.

Infrastructure 131

Infrastructure Metrics Architecture Efficiency 131

Smashing Magazine

APRIL 17, 2019

2019-04-17T12:30:16+02:00. 2019-04-29T18:34:58+00:00. A DNS lookup is the process of turning a human-friendly domain name like example.com into the machine-friendly IP address like 123.54.92.4 The browser caches the results of these lookups, but they can be slow. Optimizing Performance With Resource Hints. Drew McLellan.

Performance 109

Performance Servers Games Cache 109

The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. I really do want to cover this one at some point, along with Implementation of cluster-wide logical clock and causal consistency in MongoDB from SIGMOD 2019. for machine generated emails sent to humans).

Blockchain 46

Blockchain Hardware Google Speed 46

SQL Server According to Bob

MAY 19, 2019

Ghost record cleanup can occur inline with the query execution or be queued to a background task for processing. The lock manager has partitions, lock block cache and other structures. Reduce the number of partitions and size of the cache. SQL Server can elect to use a parallel query to process the request. Lock Manager.

IoT 61

IoT Servers Development Cache 61

SQL Performance

MARCH 22, 2022

In this first part, after a quick introduction, I look at the effects of simple parameterization on the plan cache. Being explicit gives you complete control over all aspects of the parameterization process, including where parameters are used, the precise data types used, and when plans are reused. Simple Parameterization. Users AS U.

Cache 61

Cache Servers Database Code 61

Smashing Magazine

JUNE 26, 2019

2019-06-26T14:00:59+02:00. 2019-06-26T14:06:48+00:00. Let the web developer handle all of the necessary speed optimizations like caching and file minification while you take on the following design tips and strategies: 1. What Web Designers Can Do To Speed Up Mobile Websites. Suzanne Scacca. Clean coding practices. Minification.

Website 111

Website Speed Mobile Design 111

Smashing Magazine

JUNE 30, 2021

First and foremost, this allows you to implement arbitrarily complex caching behavior, but it has also been extended to let you tap into long-running background fetches, push notifications, and other functionality that requires code to run without an associated page. Concurrency Model #2: Shared Memory. Case-Study: PROXX.

Games 145

Games Architecture Code C++ 145

KeyCDN

SEPTEMBER 12, 2019

Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8 An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. This is useful if you want to store optimized images instead of using a real-time image processing service.

Social Media 106

Social Media Media Google Website 106

SQL Performance

MARCH 8, 2021

They are run on SQL Server 2019 CU9 , on a laptop with 8 cores, and 16GB of memory allocated to the SQL Server 2019 instance. Total elapsed time is 933ms with 6,673ms of CPU time with a warm cache. This operator consumes no CPU time, and only processes 524 rows. Compatibility level 150 is used exclusively. TheYear , CA.

Servers 95

Servers Tuning Architecture Performance 95

HammerDB

JUNE 27, 2022

The Transaction Processing Performance Council (TPC) was founded to bring standards to database benchmarking, and the history of the TPC can be found here. Given the increasing importance of open source and the widespread use of HammerDB, the TPC adopted HammerDB in 2019 and now hosts the project on GitHub. Cached vs Scaled Workloads.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., He also talked about common pitfalls of stream-processed data like out of order processing.

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. For the more adventurous/technical, the top (table of processes) command provides similar metrics on most Unix-like operating systems such as macOS and Ubuntu. A particular favorite in the WordPress space is WP Super Cache. Jack Lenox. In Conclusion.

Website Performance 78

Website Performance Website Energy Performance 78

Rigor

SEPTEMBER 3, 2019

(They seem to have learned from their mistakes for Prime Day 2019.). And Nordstrom dealt with crashes and other issues at the beginning of its popular anniversary sale in 2019. Prior to any peak event, take the time to review your CDN’s cache design and offload metrics to determine what improvements can be made.

Website 74

Website Cache Traffic Ecommerce 74

Alex Russell

DECEMBER 18, 2022

Without beating around the bush, our ASP 2019 device was an Android that cost between $300-$350, new and unlocked. These devices feature: Eight slow, big.LITTLE ARM cores (A75+A55, or A73+A53) built on last-generation processes with very little cache. 4GiB of RAM. Qualcomm has some 'splainin to do.

Performance 120

Performance Mobile Network Latency 120

SQL Performance

JUNE 8, 2022

Let’s now continue following the compilation process noting the effects on simple parameterization as we go. As in previous parts, code examples use the Stack Overflow 2010 database on SQL Server 2019 CU 16 with the following additional nonclustered index: CREATE INDEX [ IX dbo. Let’s look at the plan cache: SELECT.

Cache 54

Cache Servers Database Performance 54

SQL Performance

MAY 20, 2022

The Compilation Process. The most important things to understand about server-side parameterization are it doesn’t happen all at once and a final decision to parameterize isn’t made until the end of the process. It’s simply too early in the process. Let’s look at the plan cache: SELECT. usecounts , CP. objtype , ST. [

Cache 55

Cache Database Servers Testing 55

SQL Performance

APRIL 18, 2022

Let’s look at some examples using the Stack Overflow 2010 database on SQL Server 2019 CU 14, with database compatibility set to 150. It’s important to remember the plan must be cached. Requesting an estimated plan from SSMS does not cache the plan produced (since SQL Server 2012). Dynamic Management Objects. End of Part 3.

Cache 58

Cache Servers Database Testing 58

SQL Performance

JULY 16, 2019

Now, I am advising people to strongly consider AMD for SQL Server workloads as the AMD EPYC "Rome" processors are released in Q3 of 2019. One year after a Tock release Intel would take that same microarchitecture (with some minor improvements), and use a shrink of the manufacturing process to create a Tick release.

Servers 46

Servers Hardware Architecture Retail 46

Smashing Magazine

APRIL 9, 2019

2019-04-09T12:30:59+02:00. 2019-04-29T18:34:58+00:00. They’d take the hit for the first site to use the file, but then it would sit in their local browser cache and downloads could be skipped for each subsequent site. Understanding Subresource Integrity. Understanding Subresource Integrity. Drew McLellan.

Website 64

Website Servers Code Best Practices 64

CSS - Tricks

JUNE 19, 2019

— Addy Osmani (@addyosmani) May 31, 2019. Browsers do caching, silly. — Burke Holland (@burkeholland) May 28, 2019. — Jeremy Thomas (@jgthms) May 28, 2019. She shows how to do it by modifying the webpack build process via the vue.config.js Walmart Grocery did this for their site. Stop complaining.

Cache 65

Cache Internet Internet Code 65

Brendan Gregg

AUGUST 29, 2021

Problem Statement The microservice managed and processed large files, including encrypting them and then storing them on S3. Reads usually have apps waiting on them; writes may not (write-back caching). This is a 64-Gbyte memory system, and 48 Gbytes is in the page cache (the file system cache). This is "cache busting."

Cache 40

Cache C++ AWS Systems 40

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

The Morning Paper

DECEMBER 10, 2019

HotStorage 2019. Applications running on BNVM (byte-addressable non-volatile memory) must have a way to create pointers that outlast a process’s virtual address space and are valid in other address spaces. At 0.4ns, we’re in the same ballpark as regular L1 cache reference latency. The last word.

Hardware 52

Hardware Virtualization Operating System Programming 52

SQL Performance

NOVEMBER 4, 2021

If the adaptive join processing is successful, a Concat operator is added to the internal plan above the hash and apply alternatives with the adaptive buffer reader and any required batch/row mode adapters. Intelligent Query Processing Q&A by Joe Sack. Finally, the optimizer calculates the adaptive threshold. by Erik Darling.

Servers 98

Servers Design Database Code 98

SQL Performance

SEPTEMBER 6, 2022

I happen to be using SQL Server 2019 CU16 but the details I’ll describe haven’t materially changed since partition level lock escalation was added to SQL Server 2008. SET NOCOUNT , XACT_ABORT ON ; -- Prevent plan caching for this procedure. -- See [link]. Testing environment. Let’s look at some examples using a fresh database.

Database 98

Database Testing Storage Servers 98