Percona

MARCH 13, 2023

This article will explain how to set up MySQL 8 as a replica from an existing MySQL 5.7 First, let’s try streaming copy from mysql57 to mysql8 server as this does not need additional storage. done 230228 22:59:11 [00] Streaming <STDOUT> 230228 22:59:11 [00].done InnoDB: FTS optimize thread exiting.

Servers 100

Servers C++ Storage Systems 100

Smashing Magazine

JANUARY 11, 2021

Delivery Optimizations Lazy loading, intersection observer, defer rendering and decoding, critical CSS, streaming, resource hints, layout shifts, service worker. The metric measures the total amount of time between the first paint and Time to Interactive (TTI) where the main thread was blocked for long enough to prevent input responsiveness.

Performance 145

Performance Cache Media Metrics 145

Percona

MAY 15, 2023

Let’s see the write operations with 24 and 64 threads: We get a gain of ~33% just using sharding, while for latency, we do not have a cost. Of course, we are still talking about a low number of rows and running threads but the gain is there. sec) All set but empty. /src/lua/windmills_sharding/oltp_read.lua

Traffic 121

Traffic Scalability Database Servers 121

SQL Performance

NOVEMBER 22, 2019

For the difference between the two, please see my article Apply versus Nested Loops Join. This means that everything below a parallel eager index spool runs on a single thread. One thread is chosen to write to the spool. The other threads wait on EXECSYNC while that completes. Notable features. SelSTVFToIdxOnFly.

Servers 77

Servers Cache Database Performance 77

Smashing Magazine

JANUARY 6, 2020

Usually, the most specific and relevant ones are: Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. It will no longer be supported in the next versions of Lighthouse.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

FEBRUARY 3, 2022

Check out this article by Eric Bailey for some ideas. For this article, we’re going to take a deeper dive into one particular area. We can see that some types of embeds are more efficient than others: Instagram embeds load asynchronously by default, so they don’t block the main thread. The Impact Of Social Media Embeds.

Social Media 101

Social Media Media Website Airlines 101

Smashing Magazine

JANUARY 7, 2019

Long FMP usually indicates JavaScript blocking the main thread, but could be related to back-end/server issues as well. Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI.

Performance 103

Performance Cache Metrics Network 103

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. The MAXDOP 1 query now uses a Stream Aggregate because the optimizer can use the nonclustered index to present rows in BountyAmount order: Serial Nonclustered Row Mode Plan. Please see my previous article if you need a refresher on the details.

Servers 86

Servers Tuning Database Efficiency 86

Tasktop

FEBRUARY 26, 2020

As the leader in value stream integration, Tasktop helps leading enterprises connect their toolchains –including nearly 50% of the Fortune 100. In this article, we’ll talk about the most common integration use case for ServiceNow and explain how Tasktop helps organizations get it up and running fast. .

Efficiency 52

Efficiency Software Software Azure 52

Alex Russell

MARCH 6, 2021

The single largest improvements visible in traces come from improved parsing and off-thread compilation of JavaScript. This step-change, along with improvements to streaming compilation , has helped to ensure that users are less likely to notice the unreasonably-sized JS payloads that "modern" toolchains generate more often than not.

Performance 124

Performance Network Cache Metrics 124

The Morning Paper

JULY 4, 2019

An example hypotheses to be tested is that users should still be able to stream video even if the bookmarking service (which remembers their last watched location in a video) is down. As a follow-up to this paper you might also enjoy Nora Jones’ article on ‘ Chaos Engineering Traps.’. Enlarge ).

Latency 77

Latency Engineering Metrics Traffic 77

HammerDB

NOVEMBER 5, 2018

Note that the parameters in this article do have the potential to cause data loss if implemented on your production database without full understanding so ensure that you have read this post in its entirety before applying the settings to your environment. . log 2018-11-02T15:39:25.628040+00:00 Thread 1 cannot allocate new log, sequence 1403.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

Smashing Magazine

MAY 17, 2021

Big bundles take longer to download on slow networks, and the 75th percentile mobile phone will spend a lot of time blocking the main UI thread while it tries to make sense of all the code it just downloaded. This article provides an excellent explanation of how the CLS score is calculated and the reasoning behind it.

Google 93

Google Analytics Serverless Metrics 93

Alex Russell

OCTOBER 22, 2017

The server sends it as a stream of bytes and when the browser encounters each of the sub-resources referenced in the document, it requests them. This input processing happens on document’s main thread , where JavaScript runs. These operations, however, must happen on the main thread: Execution of JavaScript. Parsing CSS.

Performance 68

Performance Benchmarking Network Mobile 68

The Symphonia

JANUARY 21, 2019

In this article I explain briefly what these tools are, and where I think their strengths and weaknesses lie. CloudFormation is a “close cousin” of these services, and is the the AWS Infrastructure-as-Code (IaC) tool + service I’m going to focus for the remainder of this article on CodeBuild and CodePipeline. It’s also self service?—?no

AWS 40

AWS Open Source Lambda Serverless 40

SQL Performance

APRIL 23, 2019

In SQL Server 2012, grouped (vector) aggregation was able to use parallel batch-mode execution, but only for the partial (per-thread) aggregate. The associated global aggregate always ran in row mode, after a Repartition Streams exchange. This article covers additional factors that affect aggregate pushdown for GROUP BY queries only.

Servers 67

Servers Testing Metrics Storage 67

SQL Performance

APRIL 13, 2022

SQL Server can process such window functions using either a series of older row mode operators (Segment, Sequence Project, Segment, Window Spool, Stream Aggregate) or the newer and usually more efficient batch mode Window Aggregate operator. Islands tasks are quite common in real life.

C++ 136

C++ Strategy Testing Servers 136

The Netflix TechBlog

AUGUST 13, 2020

Our streaming teams need a monitoring system that enables them to quickly diagnose and remediate problems; seconds count! Mantis real-time streaming data. We’ll do a future Netflix Tech Blog article focused on our algorithms. Our Slack alerts also start a thread containing only the most relevant context about the incident.

Monitoring 210

Monitoring Tuning Traffic Metrics 210

The Symphonia

DECEMBER 6, 2017

We’re not sure why these two aspects were combined (we assume it’s related to implementation, and isolation of functions) and we’ll be writing another article on this new double-feature soon. That means that 3GB functions might not see a linear speed bump for primarily single threaded functions. out-of-the-box metric?—?‘concurrent

Serverless 40

Serverless Lambda AWS Traffic 40

SQL Server According to Bob

JANUARY 11, 2020

Streams ​​ NTFS volumes ​​ enable ​​ data files to have one or more secondary storage streams. ​​ These ​​ streams are ​​ all ​​ part of the same file; ​​ if the file is copied, ​​ all streams are copied.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

DECEMBER 22, 2021

In a Twitter thread on Landing Page Hot Tips , Rob Hope, a passionate UX designer from Cape Town, South Africa, lists 100 useful tips to keep in mind when designing a landing page (or any other interface really). UX Takeaways From Streaming Services. Let’s face it, checkout forms are often too long and a hassle to fill out.

Airlines 128

Airlines Mobile Design Strategy 128

SQL Server According to Bob

DECEMBER 18, 2018

Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be This article highlights these support boundaries.

Servers 90

Servers Media Cache Storage 90

Smashing Magazine

SEPTEMBER 6, 2021

Practical HTTP/3 deployment options ( current article ). You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. If you do any comparison of this sort yourself (or if you read articles that do), make 100% sure that you’ve checked what’s actually going on.

Network 104

Network Servers Cache Traffic 104