Scalegrid

JULY 8, 2020

If you must kill the script at this point, there are two options available: SCRIPT KILL command can be used to stop a script that hasn’t yet done any writes. The complete information on methods to kill the script execution and related behavior are available in the documentation. Any data written by the script will be lost.

Servers 239

Servers Database Availability Monitoring 239

Dynatrace

OCTOBER 7, 2021

This means you no longer have to provision, scale, and maintain servers to run your applications, databases, and storage systems. AWS AppSync: AppSync offers a fully managed approach to developing APIs with GraphQL — connecting to AWS DynamoLB or Lambda along with adding caches and client-side data. Data Store.

Serverless 286

Serverless AWS Lambda Storage 286

The Netflix TechBlog

MARCH 7, 2023

There are many naive solutions possible for this problem for example: Write different runs in different databases. Instead our challenge was to implement this feature on top of Cassandra and ElasticSearch databases because that’s what Marken uses. This is obviously very expensive. Write algo runs into files.

Media 264

Media Latency Architecture Database 264

The Netflix TechBlog

NOVEMBER 4, 2019

Specifically, how our team uses the relationships and schemas defined within GraphQL to automatically build and maintain a search database. Each service could potentially implement its own search database, but then we would still need an aggregator. Best of all, our page can load much faster since everything is cached in Elasticsearch.

Cache 240

Cache Database Servers Latency 240

Percona

MAY 2, 2023

At the same time that I see database engineers relying on the tool, sites such as StackOverflow are banning ChatGPT. ChatGPT: The InnoDB buffer pool is used by MySQL to cache frequently accessed data in memory. A commonly recommended value for the buffer pool size is between 50% to 75% of the available memory.

Social Media 119

Social Media Database Servers Cache 119

Percona

JULY 17, 2023

MongoDB Community Edition software might set the stage for achieving your high-volume database goals, but you quickly learn that its features fall short of your enterprise needs. The popularity of MongoDB MongoDB has emerged as a popular database platform. 5 among all database management systems and No. It ranks No.

Open Source 74

Open Source Database Scalability Software 74

Percona

NOVEMBER 7, 2023

The book PostgreSQL 14 Internals has been available in PDF format for quite a while, but recently, the ability to order a printed copy became available ( [link] ). This 548-page tome from PostgresPro covers the spectrum from data organization to details on the many available indexing options. Is this an easy read?

Cache 84

Cache Servers Operating System Database 84

Percona

SEPTEMBER 28, 2023

Whenever you install your favorite MySQL server on a freshly created Ubuntu instance, you start by updating the configuration for MySQL, such as configuring buffer pool, changing the default datadir director, and disabling one of the most outstanding features – query cache. It’s a nice thing to do, but first things first.

Servers 109

Servers Best Practices Database Open Source 109

Percona

APRIL 17, 2023

Note that the intent of tuning the settings is not exclusively about improving performance but also enhancing the high availability and resilience of the MongoDB database. The Linux default is usually 60 , which is not ideal for database usage. There is an issue with this, which causes the OS to swap even with memory available.

Best Practices 52

Best Practices Design Tuning Database 52

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Official Blog - World Web Technology

AUGUST 27, 2023

Also, high-quality documentation is available for developers with any development issues and queries. Also, there are tutorials, video forums, and documentation, making PHP development easy and troubleshooting more accessible. You can integrate PHP with many technologies, such as databases, web servers, CMS, etc.

Development 98

Development Ecommerce Open Source Website 98

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 212

Database Traffic Transportation Open Source 212

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Designed with High Availability in mind.

Database 197

Database Traffic Transportation Open Source 197

All Things Distributed

JANUARY 18, 2012

a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications. Today is a very exciting day as we release Amazon DynamoDB , a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. Werner Vogels weblog on building scalable and robust distributed systems.

Scalability 167

Scalability Database Ecommerce Latency 167

Percona

JULY 5, 2023

Fragmentation is a common concern in some database systems. In databases, we can experiment with different types of fragmentation: Segment Fragmentation : segments are fragmented; they are stored not following the order of data, or there are empty pages gaps between the data pages. What is fragmentation?

Open Source 123

Open Source Database Efficiency Testing 123

The Netflix TechBlog

NOVEMBER 4, 2019

Specifically, how our team uses the relationships and schemas defined within GraphQL to automatically build and maintain a search database. Each service could potentially implement its own search database, but then we would still need an aggregator. Best of all, our page can load much faster since everything is cached in Elasticsearch.

Cache 112

Cache Database Servers Latency 112

The Netflix TechBlog

NOVEMBER 4, 2019

Specifically, how our team uses the relationships and schemas defined within GraphQL to automatically build and maintain a search database. Each service could potentially implement its own search database, but then we would still need an aggregator. Best of all, our page can load much faster since everything is cached in Elasticsearch.

Cache 100

Cache Database Servers Latency 100

Percona

MARCH 20, 2023

When deciding what to pick, there are many things to consider, like where the proxy needs to be, if it “just” needs to redirect the connections, or if more features need to be in, like caching and filtering, or if it needs to be integrated with some MySQL embedded automation. Given that, there never was a single straight answer.

Games 118

Games Latency Traffic Cache 118

Smashing Magazine

OCTOBER 2, 2023

for the web app, Sanity CMS, Firebase Auth, and Firestore database. 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. We used TanStack Query (formerly known as react-query ) for both fetching data and query caching.

Cache 72

Cache Strategy Best Practices Design 72

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. Create / Alter Database … LOG ON. Tail Of Log Caching.

Cache 40

Cache Servers Media Storage 40

Smashing Magazine

OCTOBER 26, 2018

It’s an all-in-one system that is equipped with a working admin interface; it manages database connection, and has a bunch of useful APIs exposed that handle user authentication, routing, and more. For instance, we want to create a documentation endpoint. You now have [link] and [link] endpoints available.

Cache 78

Cache Website Speed Database 78

Smashing Magazine

AUGUST 3, 2023

Layout Shifts From Dynamic And Static Content We have been using dynamic content serving, where each request reaches our back-end server and triggers processes like database retrievals and page renderings. It also opens up the possibility for more effective use of caching strategies, potentially enhancing load times further.

Performance 74

Performance Cache Traffic Metrics 74

Smashing Magazine

JUNE 25, 2020

Today, we’ll address storing and serving files for both single-server and scalable deployments while considering factors like compression, caching, and availability. Part 3 : Models, Admin, And Harnessing The Relational Database. Any file uploaded by a user, from profile pictures to personal documents, is called a media file.

Media 69

Media Cache Storage AWS 69

Percona

NOVEMBER 6, 2023

Percona Operators allow users to easily manage complex database systems in a Kubernetes environment. With Percona Operators , users can easily deploy, monitor, and manage databases orchestrated by Kubernetes, making it easier and more efficient to run databases at scale. kubectl get pxc pxc-1 -oyaml | yq 'del(.status.conditions)

Metrics 68

Metrics Monitoring Database Cache 68

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. When developing a PWA, you can cache the application shell’s resources and assets in the browser. Cached content with IndexedDB. Cache first, then network. Service Workers.

Cache 123

Cache Internet Internet Google 123

Percona

DECEMBER 19, 2022

Easily restore your MongoDB databases to a previous state. Client-side caching minimizes potential for metrics loss. We are happy to share the roadmap for the implementation of PMM high availability (HA) in three stages, which has been a highly requested feature by our users. . Some of the key highlights of PMM V2.33

Metrics 52

Metrics Monitoring Servers Open Source 52

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. The documentation says only the following operators can rewind: Table Spool. I have not been able to find any official explanation or documentation about it.

Servers 106

Servers Cache Azure Performance 106

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. Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently.

Servers 90

Servers Media Cache Storage 90

KeyCDN

MARCH 28, 2019

There are a myriad of options available when choosing which backend framework you want to work with. They are responsible for the implementation of database systems, ensuring proper communication between various web services, generating backend functionality, and more.

Programming 77

Programming Website Scalability Design 77

The Morning Paper

FEBRUARY 23, 2020

It would be possible for a coordinator to also maintain their own giant copy of the public data available in the system, assuming some freshness guarantees, but the payment mechanisms in AnyLog make a crawl in advance of queries unattractive. Publishers and contractors enter into agreements via smart contracts. Incentives for contractors.

Blockchain 94

Blockchain Internet Internet IoT 94

SQL Performance

NOVEMBER 18, 2019

The various types are: General purpose – Balanced CPU-to-memory ratio, small to medium databases. Memory optimized – High memory-to-CPU ratio, relational database servers, medium to large caches, and in-memory analytics. and the overall size will determine the amount of temporary storage available. VM Image Options.

Azure 76

Azure Benchmarking Storage Virtualization 76

Enprowess

MARCH 4, 2018

Basically when group of servers and other resources act like a single system and enable high availability is termed as “Clustering”. Here are some basics/rules : All nodes should be pointing to same Liferay database. Document and Media repositories must have the same configuration and should be accessible to all nodes.

Cache 52

Cache Transportation Media Traffic 52

Percona

MAY 15, 2023

The main reason behind this is that MySQL is a relational database system (RDBMS), and any data that is going to be written in it must respect the RDBMS rules. In shard-nothing, each shard can live in a totally separate logical schema instance / physical database server/data center/continent. The POC Why this POC?

Traffic 121

Traffic Scalability Database Servers 121

Adrian Cockcroft

JANUARY 29, 2023

A later version of the slides is included in my Microservices Workshop deck from later that year, slides 168–200 ( pdf , keynote are available in GitHub.com/adrianco/slides ). The documentation is written for people that understand hardcore statistics with lots of greek symbols.

Lambda 98

Lambda Latency Cache C++ 98

Smashing Magazine

SEPTEMBER 20, 2021

Search Engine And Web Archive Cached Results. Another common category of imposter domains are domains used by search engines for delivering cached results or archived versions of page views. Typically, these would be pages that might no longer be available on the site but are available in third-party archives.

Website 89

Website Analytics Google Cache 89

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

HammerDB

OCTOBER 17, 2018

This is a very typical FAQ and although detailed in the documentation some extra details may help in sizing and configuration. However most people use HammerDB with keying and thinking time disabled and therefore each virtual user can approximately drive the CPU resources of one CPU core on the database server.

C++ 40

C++ Testing Virtualization Cache 40