Scalegrid

OCTOBER 2, 2019

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Hosting on Azure for Redis™ service. The demand for Redis™ is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions.

Azure 100

Azure Availability Open Source Virtualization 100

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

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

CSS Wizardry

MARCH 3, 2019

To this end, having a solid caching strategy can make all the difference for your visitors. ?? How is your knowledge of caching and Cache-Control headers? — Harry Roberts (@csswizardry) 3 March, 2019. Cache-Control. The amount of control we’re granted makes for very intricate and powerful caching strategies.

Cache 264

Cache Latency Strategy Servers 264

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

Dynatrace

OCTOBER 15, 2021

This occurs once data is safely stored within a local cache. To avoid this, it was announced at KubeCon 2019 in Barcelona that the OpenTracing and OpenCensus projects would converge into one project called OpenTelemetry and join the CNCF. Ingestion is critical to gathering the data we care most about.

Open Source 226

Open Source Metrics Cloud Transportation 226

ACM Sigarch

NOVEMBER 4, 2019

Goodman, and “Speculative Cache Ways: On-Demand Cache Resource Allocation” published at MICRO 1999 by David H. Editor’s note: Sophia was one of the recipients of the Best Paper Award at MICRO 2019. Frederic Chong, Jangwoo Kim, David Wentzlaff, and Jishen Zhao were inducted into the MICRO Hall of Fame ( [link] ).

Hardware 18

Hardware Architecture Programming Innovation 18

Smashing Magazine

MAY 25, 2021

A number of sites moved to font-display: swap when this first came out, and Google Fonts even made it the default in 2019. It’s also trickier to handle cached fonts we already have, not to mention differences in various fallback styles. However, beyond that it didn’t really solve the problem.

Operating System 143

Operating System Google Website Cache 143

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Queue 17, 1, pages 40 (February 2019), 21 pages. providing advanced search capabilities (ElasticSearch etc.), Typically when using multiple datastores, one of them acts as the primary store, and the others as derived stores. Now the challenge becomes how to keep these datastores in sync.

Transportation 192

Transportation Architecture Processing Storage 192

Brendan Gregg

AUGUST 29, 2021

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). Along with the numbers from the problem statement, this gives me a theory: Do the 100-Gbyte files bust the page cache, whereas 40-Gbyte files fit?

Cache 40

Cache C++ AWS Systems 40

MachMetrics

DECEMBER 20, 2018

It’s now almost 2019, and there are no more excuses. Now let’s upload our lazy-loading updates and try again: (Note that you’ll have to do hard-reload, clear cache, or use a new private browser to ensure we’re not taking advantage of the browser cache in our testing). Well isn’t that beautiful?!

Cache 75

Cache Speed Internet Internet 75

Brendan Gregg

APRIL 14, 2022

offer letter logo (2014) flame graphs (2014) eBPF tools (2014-2019) PMC analysis (2017) my pandemic-abandoned desk (2020); office wall I joined Netflix in 2014, a company at the forefront of cloud computing with an attractive work culture. A large and unexpected opportunity has come my way outside of Netflix that I've decided to try.

Java 52

Java Cache Cloud AWS 52

KeyCDN

JANUARY 31, 2019

You can quickly check the response headers using Chrome Dev Tools , a speed test tool , or a simple cURL command like the one below: curl -I [link] 200Server: keycdn-engineDate: Thu, 17 Jan 2019 13:37:01 GMTContent-Type: image/svg+xmlContent-Length: 12557Connection: keep-aliveVary: Accept-EncodingLast-Modified: Tue, 15 Jan 2019 19:41:04 GMTETag: "57e91170-310d"Expires: (..)

Internet 48

Internet Internet Ecommerce Speed 48

Smashing Magazine

APRIL 17, 2019

2019-04-17T12:30:16+02:00. 2019-04-29T18:34:58+00:00. The browser caches the results of these lookups, but they can be slow. You might think of a prefetch as being a bit like adding a file to the browser’s cache. Optimizing Performance With Resource Hints. Optimizing Performance With Resource Hints. Drew McLellan.

Performance 106

Performance Games Servers Cache 106

Scalegrid

OCTOBER 2, 2019

October 2, 2019 – ScaleGrid, a rapidly growing leader in the Database-as-a-Service (DBaaS) space, has just launched their new fully managed Redis on Azure service. The demand for Redis is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions. PALO ALTO, Calif.,

Azure 37

Azure Cloud Open Source Virtualization 37

The Morning Paper

SEPTEMBER 24, 2019

USENIX Security Symposium 2019. Other apps access the router mac address either by reading the ARP cache (opening the file /proc/net/arp and reading its content) or by simply requesting the igd.xml (Internet gateway device configuration file) directly from the router itself.

Systems 74

Systems Traffic Network Google 74

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. km university campus. Application performance.

Energy 130

Energy Latency Performance Network 130

Jos

APRIL 5, 2018

Update May 10th 2019 : Google announced during I/O 2019 that they will use an evergreen Googlebot. Googlebot renders the content in the box shown within the viewport, but not the content below it. Rendering [a test page]([link] using Google Webmaster Tools' "Fetch as Google".

Code 130

Code Performance Google Media 130

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. But with Firefox due to begin support for it in version 65 (due in January 2019), it’s only a matter of time before remaining stragglers like Safari catch up. A particular favorite in the WordPress space is WP Super Cache. Jack Lenox. We should use HTTP2 over HTTPS.

Website Performance 73

Website Performance Website Energy Performance 73

KeyCDN

SEPTEMBER 12, 2019

Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8 KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection.

Social Media 106

Social Media Media Google Website 106

High Scalability

OCTOBER 3, 2019

The demand for Redis is skyrocketing across dozens of use cases, particularly for cache, queues, geospatial data, and high speed transactions.

Azure 23

Azure Cloud Open Source Cache 23

Adrian Cockcroft

MARCH 21, 2020

In a small system this may be a table in a central relational database, but it’s best setup as a NoSQL data source using something like Amazon DynamoDB or Apache Cassandra, with a caching client library or at large scale a microservice data access layer. For reference Netflix added almost 100,000 new users per day in Q4 2019).

Testing 52

Testing Tuning Database Cache 52

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. In particular, he talked about the misattribution potential in a complex microservice architecture where often intermediary results are cached. Faisal Siddiqi Infrastructure for Contextual Bandits and Reinforcement Learning?—?

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

SQL Performance

OCTOBER 13, 2021

I also compare them with stored procedures, mainly focusing on differences in terms of default optimization strategy, and plan caching and reuse behavior. The main minus of parameter embedding optimization is you don’t get efficient plan caching and reuse behavior like you do for parameterized plans. plan_handle , Q. SELECT TOP (@n).WHERE

Cache 144

Cache Strategy C++ Code 144

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. Case-Study: PROXX. Further Resources. “ Case Study: Moving A Three.js-Based

Games 145

Games Architecture Code C++ 145

The Netflix TechBlog

OCTOBER 18, 2019

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. In particular, he talked about the misattribution potential in a complex microservice architecture where often intermediary results are cached. Faisal Siddiqi Infrastructure for Contextual Bandits and Reinforcement Learning?—?

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

KeyCDN

MAY 14, 2019

This will reduce the total number of image operations because once the image has been processed it will be cached by our shield servers, allowing our edge servers to pull and cache the processed image instead of having to process the image again. This will improve the image processing performance and decrease the overall cost.

Processing 13

Processing Cache Latency Network 13

Rigor

JULY 2, 2019

Because HTTP redirection is handled server-side, it is typically faster than client-side redirection, especially if the browser can cache the new location of the requested file. Originally published September 2016, updated July 2019. Using JavaScript Redirection. REQUEST A FREE TRIAL OF RIGOR.

Mobile 60

Mobile Traffic Google Latency 60

The Morning Paper

APRIL 11, 2019

UPDATE 2019-04-14: An author update has been published for this paper which details that with current browser versions, ServiceWorkers can only stay alive for about a minute after the user navigates away from the site. Master of web puppets: abusing web browsers for persistent and stealthy computation Papadopoulus et al., NDSS’19.

Website 44

Website Network Traffic Cache 44

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.

Blockchain 46

Blockchain Hardware Google Analytics 46

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

HammerDB

JUNE 27, 2022

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. A key difference between cached and scaled workloads is the implementation of keying and thinking time to introduce a pause of time between transactions.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

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.

Cache 58

Cache Servers Database Testing 58

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 96

Cache Google Mobile Network 96

SQL Performance

OCTOBER 7, 2020

Its raison d’être is to cache result rows from a plan subtree, then replay those rows on subsequent iterations if any correlated loop parameters are unchanged. Table-valued functions use a table variable, which can be used to cache and replay results in suitable circumstances. Spools are the least costly way to cache partial results.

Servers 106

Servers Cache Azure Performance 106

MachMetrics

JUNE 30, 2021

John Mueller answered “YES” to this question in 2019, “site speed is definitely a ranking factor?”. Thanks to the awesome caching plugins available for WordPress will make your site much faster and make your pages feel lightweight when configured correctly. Enable caching. Now is that a fault of WordPress?

Cache 78

Cache Speed Google Website 78

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. The aim is to reduce compilations by increasing cached plan reuse. Let’s look at an example, using the Stack Overflow 2010 database on SQL Server 2019 CU 14. Simple Parameterization. sp_configure. EXECUTE sys.

Cache 61

Cache Servers Database Code 61