Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? Sysbench ran on a third server, which I’ll refer to as the application server (APP).

Tuning 136

Tuning Cache Servers Benchmarking 136

Percona

JULY 25, 2023

The data is internally inconsistent because the server concurrently modifies the data files while they are being copied. The changes done by an uncommitted transaction can be flushed or written to the redo log by the server. Initializing a DD engine and the cache adds complexity and other server dependencies.

Cache 86

Cache Benchmarking Servers Design 86

The Netflix TechBlog

MAY 19, 2023

The community’s excitement and interest became apparent through comments, reactions, and conversations on the SpiceDB Discord server. By sponsoring the project, Netflix was able to help AuthZed prioritize engineering effort and accelerate adding Caveats to SpiceDB. SpiceDB walks the graph and decomposes it into subproblems.

Cache 249

Cache Google Open Source Systems 249

Smashing Magazine

SEPTEMBER 28, 2022

The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. Client Side Rendering, Server Side Rendering And Jamstack. To run it, you have to make another API call to the server and retrieve any data you want to load. Jump to online workshops ?.

Cache 126

Cache Performance Servers Social Media 126

High Scalability

JANUARY 11, 2022

Machine Learning Engineer at Amazon and has led several machine-learning initiatives across the Amazon ecosystem. When the server receives a request for an action (post, like etc.) We will use a cache having an LRU based eviction policy for caching user feeds of active users. This is a guest post by Ankit Sirmorya.

Design 334

Design Media Storage Logistics 334

Scalegrid

AUGUST 30, 2019

Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. Depending on how it is configured, Redis can act like a database, a cache or a message broker. Redis Strings Use Cases. Redis Sets.

Cache 232

Cache Ecommerce Social Media Database 232

The Netflix TechBlog

JULY 21, 2022

Since memory management is not something one usually associates with classification problems, this blog focuses on formulating the problem as an ML problem and the data engineering that goes along with it. device characteristics come from our on-field knowledge and runtime memory data comes from real-time user data pushed to our servers.

Big Data 179

Big Data Cache Engineering Data Engineering 179

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. 4 Socket, TPCC.

Servers 90

Servers Media Cache Storage 90

Scalegrid

DECEMBER 21, 2023

To monitor Redis® instances effectively, collect Redis metrics focusing on cache hit ratio, memory allocated, and latency threshold. Keeping a tab on memory usage provides additional insight into the health of operations running through Redis® servers.

Strategy 130

Strategy Monitoring Latency DevOps 130

Percona

OCTOBER 2, 2023

Percona Toolkit is a collection of advanced open source command-line tools, developed and used by the Percona technical staff, that are engineered to perform a variety of MySQL, MariaDB, MongoDB, and PostgreSQL server and system tasks that are too difficult or complex to perform manually. Caches | 12.4G Caches | 12.4G

Cache 99

Cache Database Virtualization Servers 99

Smashing Magazine

NOVEMBER 8, 2021

From connecting back-office operations to front-of-the-house A/B testing and dynamic personalization for each customer, the shared foundation is fast server-side rendering powered by fast storefront data access. On top of this foundation, we add layers of caching, prerendering and edge delivery optimizations — not the other way around.

Cache 136

Cache Best Practices Strategy Servers 136

Smashing Magazine

AUGUST 3, 2023

These pages serve as a pivotal tool in our digital marketing strategy, not only providing valuable information about our services but also designed to be easily discoverable through search engines. Large preview ) We’ve known for a long time that fast page performance influences search engine rankings. SEO is key to our success.

Performance 74

Performance Cache Traffic Metrics 74

The Netflix TechBlog

OCTOBER 29, 2020

For these reasons, as a small engineering team, we’ve found that optimizing for reliability and speed of product delivery is required for us to serve our evolving customers’ needs successfully. Disk cache Of course, network connectivity may not always be available so downloaded rule sets need to be cached to disk.

Mobile 279

Mobile Cache Network Architecture 279

SQL Server According to Bob

MAY 19, 2019

SQL Server will ship Azure SQL Database Edge: [link]. With the announcement I can tell you more about one of the things we have been working on; SQL Server running on IoT Edge and Developer machines in under 500MB of memory. The effort focuses attention on memory usage and disk space requirements of SQL Server. Description.

IoT 61

IoT Servers Development Cache 61

Percona

MAY 2, 2023

At the same time that I see database engineers relying on the tool, sites such as StackOverflow are banning ChatGPT. Questions Q: I have a MySQL server with 500 GB of RAM; my data set is 100 GB. ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory.

Social Media 121

Social Media Database Servers Cache 121

Dynatrace

OCTOBER 7, 2021

Serverless architecture shifts application hosting functions away from local servers onto those managed by providers. This means you no longer have to provision, scale, and maintain servers to run your applications, databases, and storage systems. Let’s get started. Serverless architecture: A primer. Data Store.

Serverless 289

Serverless AWS Lambda Storage 289

KeyCDN

SEPTEMBER 3, 2020

Our solution doesn't require any change on the origin server. Even if a browser doesn't support WebP, our WebP caching feature will ensure that the correct image format is delivered. WebP delivery doesn't require any change on the origin server with the WebP caching feature. Enable the Cache Key Host setting.

Processing 127

Processing Cache Website Servers 127

Percona

AUGUST 8, 2023

Unfortunately, this topic is more of an art than a science, given that there is really no foolproof algorithm or approach that can tell you exactly where you might hit a bottleneck with server performance. Global memory caches are static in size as they are defined solely by the configuration of the database itself.

Traffic 89

Traffic Cache Monitoring Database 89

SQL Server According to Bob

DECEMBER 18, 2018

I was asked to validate the SQL Server behavior in light of the error condition involving fsync/fdatasync outlined in this article. This means data can be stored in file system cache, non-stable media. ) The issue, as described in the link, is that the sync returns the error but may clear the state of the cached pages.

Servers 40

Servers Media Cache Software Engineering 40

All Things Distributed

SEPTEMBER 3, 2013

Amazon RDS , with support for MySQL, SQL Server and Oracle databases, is for customers with apps where relational database features and support for a specific brand of database are critical. Amazon ElastiCache is a fully managed, in-memory caching service for customers to optimize the latency, performance and cost of their read workloads.

Cache 129

Cache Cloud Performance Retail 129

SQL Server According to Bob

NOVEMBER 8, 2016

Note: We received feedback that there was some confusion on us calling this functionality “tail of the log caching” because our documentation and prior history has referred to the tail of the log as the portion of the hardened log that has not been backed up. Tail Of Log Caching. Announcement and Syntax Example: [link]. .

Cache 40

Cache Servers Media Storage 40

SQL Performance

AUGUST 23, 2019

In traditional row-mode execution plans, SQL Server may introduce a Bitmap operator as part of performing early semi join reduction before a parallel hash or merge join. There have been major improvements since the first appearance of the batch mode execution engine in SQL Server 2012. The Execution Engine. Background.

Servers 75

Servers Engineering Efficiency Retail 75

Percona

JUNE 22, 2023

As a MySQL database administrator, keeping a close eye on the performance of your MySQL server is crucial to ensure optimal database operations. However, simply deploying a monitoring tool is not enough; you need to know which Key Performance Indicators (KPIs) to monitor to gain insights into your MySQL server’s health and performance.

Performance 104

Performance Monitoring Traffic Database 104

Percona

MARCH 23, 2023

Hardware Memory The amount of RAM to be provisioned for database servers can vary greatly depending on the size of the database and the specific requirements of the company. Some servers may need a few GBs of RAM, while others may need hundreds of GBs or even terabytes of RAM. Benchmark before you decide.

Performance 125

Performance Hardware Tuning Storage 125

Percona

MARCH 17, 2023

PMM2 uses VictoriaMetrics (VM) as its metrics storage engine. Planning for resources of a PMM Server host instance can be tricky because the numbers can change depending on the DB instances being monitored by PMM. VictoriaMetrics maintains an in-memory cache for mapping active time series into internal series IDs.

Monitoring 99

Monitoring Scalability Cache Database 99

SQL Performance

JUNE 21, 2019

I've been teaching and writing about common SQL Server mistakes for many years. This article will expand on my previous article and point out how these apply to SQL Server , Azure SQL Database , and Azure SQL Managed Instance. SQL Server Agent alerts. This situation applies to on-premises SQL Server and IaaS. Statistics.

Servers 49

Servers Azure Hardware Database 49

Smashing Magazine

MAY 25, 2022

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. As we know from the section on garbage collection above, the JavaScript engine keeps a value in memory as long as it is reachable. Comparing Map and WeakMap. Let’s see this in action.

Cache 117

Cache Programming Storage Code 117

High Scalability

DECEMBER 18, 2018

Senior DevOps Engineer : Your engineering work will focus on using your deep knowledge of the web stack including firewalls, web applications, caches and data stores ­ to create innovative infrastructure architectures that are resilient, scalable, and blazingly fast. Please apply here. Apply here. Need excellent people?

Healthcare 122

Healthcare Best Practices DevOps Cache 122

Brendan Gregg

MARCH 16, 2024

Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway. It shouldn't be 10%, unless it's cache effects. Back-end servers. Don't blame the straw, in this case, don't blame the frame pointers.

Java 145

Java Cache Google Hardware 145

Smashing Magazine

DECEMBER 23, 2020

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. The service workers also retrieve the latest data once the server connection is restored. When developing a PWA, you can cache the application shell’s resources and assets in the browser.

Cache 124

Cache Internet Internet Google 124

Percona

SEPTEMBER 1, 2023

Reduced Resource Usage Optimizing resource-intensive queries and configurations can lead to a reduced burden on your server. An improperly configured server may not allocate sufficient resources or be optimized for the specific workload. Detecting and optimizing slow queries is an important step in enhancing database performance.

Tuning 52

Tuning Database Performance Hardware 52

Percona

DECEMBER 23, 2022

I wrote this post on MyRocks because I believe it is the most interesting new MySQL storage engine to have appeared over the last few years. I wanted most of the memory to be available for the file cache, where the compressed SST files will be cached. I hope this post has raised your interest in the MyRocks storage engine.

Storage 55

Storage Cache C++ Virtualization 55

Dynatrace

NOVEMBER 29, 2021

Rather than processing simple time-series data, Dynatrace Davis®, our AI causation engine , uses high-fidelity metrics, traces, logs and real user data that are mapped to a unified entity model. According to the official AWS announcement, Graviton2-based Lambda functions offer up to 34% better price-performance improvement.

Lambda 222

Lambda AWS Serverless Metrics 222

MachMetrics

JUNE 30, 2021

Ever since Google is switching towards “ mobile fast indexing ” it’s very important for a webmaster to keep the pages very well optimized to maintain visitor’s + search engine’s satisfaction level high. Google has made numerous changes in recent years to include user interface as a factor for search engine ranking.

Cache 78

Cache Speed Google Website 78

The Netflix TechBlog

SEPTEMBER 8, 2020

This allowed Android engineers to have much more control and observability over how we get our data. This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. This meant that data that was static (e.g.

Latency 233

Latency Cache Java Traffic 233

HammerDB

JUNE 27, 2022

HammerDB is Free software and consequently engineers should consider not only how they can benefit from using the software but also how they can contribute to the community with code and documentation. Cached vs Scaled Workloads. Instead, most users prefer to implement a cached workload. The GNU General Public License v3.0

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Server According to Bob

JANUARY 11, 2020

Microsoft, ​​ Windows, ​​ Windows NT, ​​ and Windows Server ​​ are registered trademarks of Microsoft Corporation in the United States and/or other countries. The names of actual companies and products mentioned herein may be the trademarks of their respective owners.

Servers 40

Servers Cache Database Media 40