Cache, Code, Example and Processing - Technology Performance Pulse

The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

OCTOBER 16, 2023

In this post, I’m going to break these processes down into each of: ? Caching them at the other end: How long should we cache files on a user’s device? In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison. main.af8a22.css

Cache

Cache Latency Strategy Speed

Sustainable IT: Optimize your hybrid-cloud carbon footprint

Dynatrace

DECEMBER 21, 2023

Evaluating these on three levels—data center, host, and application architecture (plus code)—is helpful. And while these examples were resolved by just asking a few questions, in many cases, the answers are more elusive, requiring real-time and historical drill-downs into the processes and dependencies specific to each host.

Cloud

Cloud Energy Best Practices Cache

Progressive delivery at cloud scale: Optimizing CPU intensive code with Dynatrace

Dynatrace

OCTOBER 21, 2020

If that’s the case, the update process continues to the next set of clusters and that process continues until all clusters are updated to the new version. And the code-level root cause information is what makes troubleshooting easy for developers. Step 3: Identifying root-cause in code. Step 4: Fixing the issue.

Code

Code Cloud Engineering Java

Cache and Prizes

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Browsers now understand the classic shared HTTP cache behaviour as a privacy bug.

Cache

Cache Government Traffic Network

Crucial Redis Monitoring Metrics You Must Watch

Scalegrid

JANUARY 25, 2024

Effective management of memory stores with policies like LRU/LFU proactive monitoring of the replication process and advanced metrics such as cache hit ratio and persistence indicators are crucial for ensuring data integrity and optimizing Redis’s performance. <code> 127.0.0.1:6379> <code> 127.0.0.1:6379>

Metrics

Metrics Monitoring Latency Cache

Code-level observability for Flutter apps drives great user experience

Dynatrace

NOVEMBER 13, 2020

When Davis detects deviations from this baseline (for example, a sudden dip in usage or a user action that lasts longer than expected), it generates a problem event , identifies the root cause of the problem, and sends notifications based on the configured alerting profile. OneAgent for mobile apps is specific to iOS and Android.

Code

Code Mobile Monitoring Infrastructure

Radically speed up your code by fixing slow or frequent garbage collection

Dynatrace

APRIL 8, 2020

Garbage collection is slow if most objects survive the collection process. Optimize your code by finding and fixing the root cause of garbage collection problems. These details arm you with the knowledge necessary to find the respective code and remove unnecessary allocations. Let’s take a look at how this works. .

Speed

Speed Code Java Lambda

Software Testing Errors to look out for (with examples)

Testsigma

JUNE 3, 2021

Example: An e-commerce website is unable to process the payment part. For example, a user has submitted a form, and the progress bar is showing no progress or activity then the user will get confused if the form has been submitted successfully or not. Example: divide by zero, multiplication of 2 large numbers, etc.

Software

Software Software Testing Hardware

Use Distributed Caching to Accelerate Online Web Sites

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. A widely used technology called distributed caching meets this need by storing frequently accessed data in memory on a server farm instead of within a database. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache

Cache Storage Servers Database

Use Distributed Caching to Accelerate Online Web Sites

ScaleOut Software

APRIL 22, 2020

The Solution: Distributed Caching. A widely used technology called distributed caching meets this need by storing frequently accessed data in memory on a server farm instead of within a database. It’s not enough simply to lash together a set of servers hosting a collection of in-memory caches.

Cache

Cache Storage Servers Database

Creating A Magento PWA: Customizing Themes vs. Coding From Scratch

Smashing Magazine

NOVEMBER 2, 2021

Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. Creating A Magento PWA: Customizing Themes vs. Coding From Scratch. One of the reasons for that is because a PWA has the same code base. So unlike the case with native applications, the progressive web app needs to be coded only once. Alex Husar.

Code

Code Cache Retail Mobile

Implementing AWS well-architected pillars with automated workflows

Dynatrace

SEPTEMBER 13, 2023

For example, optimizing resource utilization for greater scale and lower cost and driving insights to increase adoption of cloud-native serverless services. Using an interactive no/low code editor, you can create workflows or configure them as code. One of the powerful workflows to leverage is continuous release validation.

AWS

AWS Efficiency Azure Cloud

Extending relational query processing with ML inference

The Morning Paper

FEBRUARY 20, 2020

Extending relational query processing with ML inference , Karanasos, CIDR’10. The vision is that data scientists use their favourite ML framework to construct a model, which together with any data pre-processing steps and library dependencies forms a model pipeline. It can’t handle loops for example (an analysis of 4.6M

Processing

Processing Hardware Database Azure

The road to observability with OpenTelemetry demo part 1: Identifying metrics and traces

Dynatrace

MAY 17, 2023

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more.

Metrics

Metrics Open Source Traffic Cache

What is session replay? Discover user pain points with session recordings

Dynatrace

DECEMBER 20, 2021

What users see in their browser window and the underlying HTML code are both governed by the DOM, which creates a tree-like structure for all HTML elements. For example, the <body> element of your page exists on one branch of this tree structure, with any <img> assets branching off. Quicker response. The caveat?

Mobile

Mobile Website Analytics Cache

Migrating Critical Traffic At Scale with No Downtime?—?Part 1

The Netflix TechBlog

MAY 4, 2023

Traffic Duplication and Correlation: The initial step requires the implementation of a mechanism to clone and fork production traffic to the newly established pathway, along with a process to record and correlate responses from the original and alternative routes.

Traffic

Traffic Latency Tuning Systems

Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

SEPTEMBER 8, 2020

On the Android team, while most of our time is spent working on the app, we are also responsible for maintaining this backend that our app communicates with, and its orchestration code. For example, the artwork service is separate from the video metadata service, but we need the data from both in the detail key.

Latency

Latency Cache Java Traffic

Dynatrace Support for AWS Lambda Functions Powered by x86 and AWS Graviton2

Dynatrace

NOVEMBER 29, 2021

With Lambda, you are charged based on the number of requests for your functions and their duration (the time it takes for your code to execute) with millisecond granularity. For example, you can apply filters on different tag values by using a combination of AWS tags to identity Graviton2 versus x86 Lambda functions as shown below.

Lambda

Lambda AWS Serverless Metrics

Five Data-Loading Patterns To Improve Frontend Performance

Smashing Magazine

SEPTEMBER 28, 2022

Every unnecessary bit of JavaScript code you bundle and serve will be more code the client has to load and process. How will you serve blazingly fast code, then? Jamstack is popular with documentation sites that usually compile code to HTML files and host them on the CDN. Active Memory Caching. Hello World.

Performance

Performance Cache Servers Social Media

Application vulnerabilities: Important lessons from the OWASP top 10 about application security risks

Dynatrace

MARCH 22, 2023

For these, it’s important to turn off auto-completing forms, encrypt data both in transit and at rest with up-to-date encryption techniques, and disable caching on data collection forms. Security misconfiguration Security misconfiguration covers the basic security checks every software development process should include.

Open Source

Open Source Artificial Intelligence Internet Internet

In-Stream Big Data Processing

Highly Scalable

AUGUST 20, 2013

The shortcomings and drawbacks of batch-oriented data processing were widely recognized by the Big Data community quite a long time ago. It became clear that real-time query processing and in-stream processing is the immediate need in many practical applications. Fault-tolerance.

Big Data

Big Data Processing Lambda Database

Understanding MySQL Triggers: Exploring How Triggers Impact MySQL Memory Allocation

Percona

SEPTEMBER 1, 2023

Per-Row Execution : For each affected row, the trigger’s code is executed. This code can include SQL statements, procedures, or other actions defined within the trigger. Access to OLD and NEW Values : Within the trigger code, you can access the OLD and NEW values for each column of the current row.

Cache

Cache Database Games Healthcare

Rethinking Server-Timing As A Critical Monitoring Tool

Smashing Magazine

MAY 16, 2022

In this piece, we will dive deeper to show how Server-Timing headers are so uniquely powerful, show some practical examples by solving challenging monitoring problems with this header, and provoke some creative inspiration by combining this technique with service workers. Let’s look at this in a complete example.

Servers

Servers Monitoring Cache Network

Understanding Weak Reference In JavaScript

Smashing Magazine

MAY 25, 2022

The output of the code above would be the following: WeakMap {{…} => 'done'} man = null; console.log(human). When the JavaScript engine runs a garbage-collection process, the man object will be removed from memory and from the WeakMap that we assigned it to. human.set(man, "done") console.log(human). It keeps the object in memory.

Cache

Cache Programming Storage Code

MySQL Capacity Planning

Percona

AUGUST 8, 2023

Global caches like the InnoDB buffer pool and MyISAM key cache and session-level caches like the sort buffer, join buffer, random read buffer, etc. Global memory caches are static in size as they are defined solely by the configuration of the database itself. Do these queries use more caches?

Traffic

Traffic Cache Monitoring Database

How PHP Web Development Beneficial For Online Business?

Official Blog - World Web Technology

AUGUST 27, 2023

For example, website design is very crucial to impress your website visitors. Unlike other popular programming languages such as C or Pearl, PHP pages have HTML with embedded code with some start and end processing instructions that allow you to jump directly into and out of PHP mode.

Development

Development Ecommerce Open Source Website

How To Optimize Progressive Web Apps: Going Beyond The Basics

Smashing Magazine

DECEMBER 23, 2020

You’ll also find example code or references to more specific guides so you can implement these tips to your PWA. The service workers enable the offline usage of the PWA by fetching cached data or informing the user about the absence of an Internet connection. Cached content with IndexedDB. Service Workers.

Cache

Cache Internet Internet Google

What is? OpenTelemetry??An open-source standard for logs, metrics, and traces

Dynatrace

OCTOBER 15, 2021

This information is gathered from remote, often inaccessible points within your ecosystem and processed by some sort of tool or equipment. Traces are the act of following a process (for example, an API request or other system activity) from start to finish, showing how services connect. Monitoring begins here.

Open Source

Open Source Metrics Cloud Transportation

Making Windows Slower Part 2: Process Creation

Randon ASCII

OCTOBER 15, 2018

Windows has long had a reputation for slow file operations and slow process creation. This weeks’ blog post covers a technique you can use to make process creation on Windows grow slower over time (with no limit), in a way that will be untraceable for most users! A long-standing correctness bug in the Windows file cache: Compiler bug?

Processing

Processing Cache Programming Virtualization

Zombie Processes are Eating your Memory

Randon ASCII

FEBRUARY 11, 2018

Zombies probably won’t consume 32 GB of your memory like they did to me, but zombie processes do exist, and I can help you find them and make sure that developers fix them. In the example below task manager shows 49.8 He’d even written a tool that would dump a list of zombie processes – their names and counts. Mystery solved!

Processing

Processing Programming Code Cache

How to Optimize Digital Experience and Operations with Dynatrace

Dynatrace

AUGUST 30, 2019

Missing Cache Settings – Make sure you cache resources that don’t change often on the browser or use a CDN. Or think of requesting a new drivers license which requires your implementation to reach out to many dependent systems, e.g. DMV, police records that are needed to kick off the process of renewing or issuing a new license.

Cache

Cache Architecture Database Government

Fixing a slow site iteratively

CSS - Tricks

APRIL 1, 2021

The code for the site is available on GitHub for reference. This is the process of turning HTML, CSS and JavaScript into a fully fleshed out, interactive website. This process can be “blocked” if it has to wait for resources to load before it runs. This is a very basic site made with simple HTML, CSS, and JavaScript.

Cache

Cache Social Media Media Website

Eliminate inefficiencies and innovate faster by optimizing hybrid mainframe environments on IBM Z

Dynatrace

JUNE 16, 2020

This real-time visibility, as well as proven code-level analysis from cloud to the mainframe, gives enterprises a huge competitive advantage—they can eliminate inefficiencies and consequently, innovate at a faster rate. While a general processor can handle any workload, a zIIP can process only certain workloads like DB2, Java, or XML.

Innovation

Innovation Metrics Infrastructure Programming

Azure Well-Architected Framework: What it is and how to tame it with AI and automation

Dynatrace

APRIL 21, 2022

Figure 1 – Individual Host pages show performance metrics, problem history, event history, and related processes for each host. Right-sizing is an iterative process where you adjust the size of your resource to optimize for cost. To do that, organizations must evolve their DevOps and IT Service Management (ITSM) processes.

Azure

Azure Monitoring Virtualization Metrics

How To Maintain A Large Next.js Application

Smashing Magazine

NOVEMBER 26, 2021

However, there are a few ways in which you can make a large code-base easy to maintain. In certain cases, the build will fail if there are type mismatches in your code as Next.js We recommend using code editor type checking during development.”. Use Code Generators Like Hygen To Generate Boilerplate Code.

Cache

Cache Code Testing Design

WaterBear: Building A Free Platform For Impactful Documentaries (Part 2)

Smashing Magazine

OCTOBER 2, 2023

Now, let’s dive into the technical features and best practices that my team adopted in the process of building the WaterBear web app. Jump to the workshops ↬ Using CDN For Caching And WebP For Lighter File Sizes As I mentioned a little earlier, our stack includes Sanity’s CMS. Cloudinary supports it , for example.

Cache

Cache Strategy Best Practices Design

Front-End Performance Checklist 2021

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Is it expensive JavaScript, slow web font delivery, heavy images, or sluggish rendering?

Performance

Performance Cache Media Metrics

Simple Parameterization and Trivial Plans — Part 1

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

Cache Servers Database Code

Debugging Interaction to Next Paint (INP)

Speed Curve

FEBRUARY 25, 2024

In this post I'm going to walk through: How I help people identify the causes of poor INP times Examples of some of the most common issues Approaches I've used to help sites improve their INP Identifying Interactions The Chrome UX Report (CrUX) can provide a high-level view of INP.

Analytics

Analytics Processing Google Mobile

Percentiles don’t work: Analyzing the distribution of response times for web services

Adrian Cockcroft

JANUARY 29, 2023

The common way to deal with this is to measure percentiles, and track the 90%, 99% response times for example. For example lets say you have a 99% within 2 seconds SLA, and your current 99%ile measured over one minute is 1 second. For high traffic systems, processing the individual response times for each request may be too much work.

Lambda

Lambda Latency Cache C++

Some Performance Blog Posts I’ve Bookmarked and Read Lately

CSS - Tricks

FEBRUARY 3, 2021

Back/forward cache — I always assumed browsers just do fancy stuff with the back/forward buttons and us developers had very little control. Philip Walton tells us it’s critical that we understand “what makes pages eligible (and ineligible) for bfcache to maximize their cache-hit rates.”

Performance

Performance Cache Testing Code

Simple Parameterization and Trivial Plans — Part 2

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

Cache Servers Database Testing

Delta: A Data Synchronization and Enrichment Platform

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Another thread or process is constantly polling events from the log table and writes them to one or multiple datastores, optionally removing events from the log table after acknowledged by all datastores. For example, unclean leader election will result in consumer to potentially duplicate or lose events.

Transportation

Transportation Architecture Processing Storage

How To Add eBPF Observability To Your Product

Brendan Gregg

JULY 2, 2021

E.g., to see process execution with timestamps using execsnoop(8): # execsnoop-bpfcc -T. Low frequency events such as process execution should be negligible to capture. execsnoop New processes (via exec(2)) table. cachestat File system cache statistics line charts. E.g., bcc on Ubuntu: # apt-get install bpfcc-tools.

Latency

Latency Cache Energy Systems

The Three Cs: Concatenate, Compress, Cache

Sustainable IT: Optimize your hybrid-cloud carbon footprint

Trending Sources

Progressive delivery at cloud scale: Optimizing CPU intensive code with Dynatrace

Cache and Prizes

Crucial Redis Monitoring Metrics You Must Watch

Code-level observability for Flutter apps drives great user experience

Radically speed up your code by fixing slow or frequent garbage collection

Software Testing Errors to look out for (with examples)

Use Distributed Caching to Accelerate Online Web Sites

Use Distributed Caching to Accelerate Online Web Sites

Creating A Magento PWA: Customizing Themes vs. Coding From Scratch

Implementing AWS well-architected pillars with automated workflows

Extending relational query processing with ML inference

The road to observability with OpenTelemetry demo part 1: Identifying metrics and traces

What is session replay? Discover user pain points with session recordings

Migrating Critical Traffic At Scale with No Downtime?—?Part 1

Seamlessly Swapping the API backend of the Netflix Android app

Dynatrace Support for AWS Lambda Functions Powered by x86 and AWS Graviton2

Five Data-Loading Patterns To Improve Frontend Performance

Application vulnerabilities: Important lessons from the OWASP top 10 about application security risks

In-Stream Big Data Processing

Understanding MySQL Triggers: Exploring How Triggers Impact MySQL Memory Allocation

Rethinking Server-Timing As A Critical Monitoring Tool

Understanding Weak Reference In JavaScript

MySQL Capacity Planning

How PHP Web Development Beneficial For Online Business?

How To Optimize Progressive Web Apps: Going Beyond The Basics

What is? OpenTelemetry??An open-source standard for logs, metrics, and traces

Making Windows Slower Part 2: Process Creation

Zombie Processes are Eating your Memory

How to Optimize Digital Experience and Operations with Dynatrace

Fixing a slow site iteratively

Eliminate inefficiencies and innovate faster by optimizing hybrid mainframe environments on IBM Z

Azure Well-Architected Framework: What it is and how to tame it with AI and automation

How To Maintain A Large Next.js Application

WaterBear: Building A Free Platform For Impactful Documentaries (Part 2)

Front-End Performance Checklist 2021

Simple Parameterization and Trivial Plans — Part 1

Debugging Interaction to Next Paint (INP)

Percentiles don’t work: Analyzing the distribution of response times for web services

Some Performance Blog Posts I’ve Bookmarked and Read Lately

Simple Parameterization and Trivial Plans — Part 2

Delta: A Data Synchronization and Enrichment Platform

How To Add eBPF Observability To Your Product

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