The Netflix TechBlog

MARCH 7, 2023

We store all OperationIDs which are in STARTED state in a distributed cache (EVCache) for fast access during searches. This API finds all Elasticsearch documents with ID1 and marks isAnnotationOperationActive=FALSE. This new operation is marked to be in STARTED state. They pass annotations along with the OperationID.

Media 270

Media Latency Architecture Database 270

All Things Distributed

JUNE 21, 2018

In response to these needs, developers now have the choice of relational, key-value, document, graph, in-memory, and search databases. This consistent performance is a big part of why the Snapchat Stories feature , which includes Snapchat's largest storage write workload, moved to DynamoDB. Build on.

Database 166

Database AWS Games Latency 166

Smashing Magazine

SEPTEMBER 28, 2022

Jamstack is popular with documentation sites that usually compile code to HTML files and host them on the CDN. Active Memory Caching. When you want to get data that you already had quickly, you need to do caching — caching stores data that a user recently retrieved. Caching Schemes. Caching Schemes.

Cache 141

Cache Performance Servers Architecture 141

Dynatrace

OCTOBER 15, 2021

Source: OpenTelemetry Documentation. The data is incredibly plentiful and difficult to store over long periods due to capacity limitations — a reason why private and public cloud storage services have been a boon to DevOps teams. This occurs once data is safely stored within a local cache. OpenTelemetry reference architecture.

Open Source 246

Open Source Metrics Cloud Transportation 246

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 136

Cache Internet Internet Google 136

Smashing Magazine

JUNE 18, 2020

More specifically, we’re going to talk about storage and UI differences, which are the ones that most often cause confusion to developers when writing Flutter code that they want to be cross-platform. Example 1: Storage. Secure Storage On Mobile. The situation when it comes to mobile apps is completely different.

Storage 103

Storage Mobile Website Java 103

Smashing Magazine

OCTOBER 26, 2021

Nx is an open-source build framework that helps you architect, test, and build at any scale — integrating seamlessly with modern technologies and libraries, while providing a robust command-line interface (CLI), caching, and dependency management. Nx uses distributed graph-based task execution and computation caching to speed up tasks.

Cache 121

Cache Servers Code Testing 121

All Things Distributed

JANUARY 18, 2012

In response, we began to develop a collection of storage and database technologies to address the demanding scalability and reliability requirements of the Amazon.com ecommerce platform. After the successful launch of the first Dynamo system, we documented our experiences in a paper so others could benefit from them. Amazon DynamoDBâ??s

Scalability 162

Scalability Database Ecommerce Latency 162

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. We’ll also discuss the costs and benefits of CDNs and dedicated file storage solutions. For more details, see the Django documentation. Media Files. Media Files.

Media 77

Media Cache Storage AWS 77

SQL Performance

NOVEMBER 18, 2019

IT professionals are familiar with scoping the size of VMs with regards to vCPU, memory, and storage capacity. Memory optimized – High memory-to-CPU ratio, relational database servers, medium to large caches, and in-memory analytics. Storage optimized – High disk throughput and IO. Premium storage support. Generation.

Azure 76

Azure Benchmarking Storage Virtualization 76

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

Percona

JULY 17, 2023

1 among non-relational/document-based systems ( DB-Engines, July 2023 ). Instead of the table-based structure of relational databases, MongoDB stores data in documents and collections, a design for handling large amounts of unstructured data and for real-time web applications. It ranks No.

Open Source 98

Open Source Database Scalability Software 98

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. Block storage is what you think of today as disk access.

Cache 40

Cache Servers Media Storage 40

Percona

JULY 5, 2023

The principle of locality While the principle of locality is usually related to processors and cache access patterns, it also applies to data access in general. Regarding tablespace and segment fragmentation, modern storage systems tend to reduce the impact of these types of fragmentation.

Open Source 137

Open Source Database Efficiency Testing 137

Smashing Magazine

OCTOBER 8, 2021

We can use 11ty’s new Serverless mode to build them on request using Netlify’s On-Demand Builders to cache each Madlib. For example, an “On-Demand Builder” is a serverless function dedicated to serving a cached file. Netlify then caches that page on its edge CDN for each additional call. Large preview ). More after jump!

Serverless 92

Serverless Cache Open Source Code 92

SQL Performance

SEPTEMBER 6, 2022

This article isn’t about the act of lock escalation itself, which is already well documented and generally well understood. Much of the documentation is incorrect or at least imprecise about this and I’ve been unable to find a correct description in other writings. This appears to contradict the documentation in several respects.

Database 98

Database Testing Storage Servers 98

The Morning Paper

NOVEMBER 19, 2019

Local-first apps keep their data in local storage on each device, but the data is also synchronised across all the devices on which a user works. One of the fruits of this work is an open-source JavaScript CDRT implementation called Automerge which brings CRDT-style merge operations to JSON documents. It should work without a network.

Cloud 83

Cloud Software Software Internet 83

The Morning Paper

FEBRUARY 23, 2020

Our approach differs substantially by (1) providing economic incentives for data to be contributed and integrated into existing schemas, (2) offering a SQL interface instead of graph based approaches, (3) including the computational and storage infrastructure in the architectural vision. Coordinators that don’t want to pay contractors?

Blockchain 94

Blockchain Internet Internet IoT 94

Scalegrid

NOVEMBER 23, 2023

Configure the PostgreSQL hostname by editing configuration files and restarting the server, with secure storage of connection details to enhance security. Clearing your local machine’s DNS cache and setting up conditional forwarders on Hub VNET for customizing the DNS Server may help solve these issues.

Database 130

Database Servers Storage Network 130

HammerDB

APRIL 19, 2023

As database performance is heavily influenced by the performance of storage, network, memory, and processors, we must understand the upper limit of these key components. There are several ways to find out this information with the easiest way being by referring to the documentation. For storage, FIO is generally used.

Performance 55

Performance Benchmarking Cache Storage 55

Smashing Magazine

NOVEMBER 2, 2021

On the contrary, a native application of an e-commerce store can come at 30, 50, or even 100 MB and up, consuming internal device storage. Due to the use of modern frameworks, advanced caching and rendering, and data transmission via API, properly developed PWAs can be a seven-league step up to boost the store’s speed. Large preview ).

Code 90

Code Cache Mobile Retail 90

Percona

NOVEMBER 6, 2023

Obviously, there are ways to monitor the backup through storage monitoring or Pod status, but why bother if the Operator already provides this information? 274] "discovery finished, cache updated" I0706 14:43:28.285652 1 metrics_handler.go:99] Configuration derived for the three metrics discussed above can be found here.

Metrics 102

Metrics Monitoring Database Cache 102

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. The message that appears above a cached search result in Google’s search service. Large preview ). Large preview ). on a regular basis?

Website 108

Website Analytics Google Cache 108

Abhishek Tiwari

NOVEMBER 3, 2018

Alternatively, you can upload output directory to cloud object/blob storage such as Amazon S3 or Azure Blob Storage and serve your site from there. Most of cloud object/blob storage services have native support for static site hosting. Circa 2014, I was working with a big Japanese automotive brand in Australia.

Systems 63

Systems Cache Website Network 63

Percona

JANUARY 17, 2019

now has a version which will support parallelism for SELECT queries (utilizing the read capacity of storage nodes underneath the Aurora cluster). Aurora Parallel Query response time (for queries which can not use indexes) can be 5x-10x better compared to the non-parallel fully cached operations. Documentation: [link].

Cache 72

Cache C++ AWS Airlines 72

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.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

Alex Russell

MARCH 6, 2021

Unless a site is installed to the home screen as a PWA , any single page is just another in a series of documents that users experience as a river of links. A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The Moto G4 , for example.

Performance 127

Performance Network Mobile Metrics 127

Alex Russell

OCTOBER 22, 2017

This isn’t true (more on that in a follow-up post), and sites which are built this way implicitly require more script in each document (e.g., 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. for router components). Parsing CSS.

Performance 74

Performance Network Benchmarking Mobile 74

SQL Performance

MAY 29, 2019

It can be activated from SQL Server 2008 to 2014 inclusive using documented trace flag 610. FastLoadContext can be disabled on SQL Server 2016 using documented trace flag 692. GO. -- Clear the plan cache. GO. -- Clear the plan cache. We must also remember the final storage engine test for at least 100 rows: I >= 100.

Cache 64

Cache Testing Servers Code 64

SQL Performance

OCTOBER 20, 2022

For an example, see Craig Freedman’s article Read Committed and Updates on the Microsoft documentation site. Microsoft’s Craig Freedman gave some examples in blog posts now hosted on the Microsoft documentation site: Read Committed and Bookmark Lookup. Lock classes. SQL Server solves this problem using lock classes.

Testing 91

Testing Servers Cache Engineering 91

Percona

APRIL 17, 2023

Make sure the drives are mounted with noatime and also if the drives are behind a RAID controller with appropriate battery-backed cache. For example: Read/Write tickets WiredTiger uses tickets to control the number of read / write operations simultaneously processed by the storage engine. By default, it uses 50% of the memory + 1 GB.

Best Practices 52

Best Practices Design Tuning Database 52

Percona

MAY 2, 2023

Cons of logical backups As it reads all data, it can be slow and will require disk reads too for databases that are larger than the RAM available for the WT cache—the WT cache pressure increases, which slows down the performance. Especially if going into or out of storage types that may throttle bandwidth/network traffic.

Best Practices 52

Best Practices Database Storage Servers 52

The Morning Paper

APRIL 9, 2019

Does your web application make use of local storage? If so, then like many developers you may well be making the assumption that when you read from local storage, it will only contain the data that you put there. There are two basic requirements for a storage-based XSS attack. As Steffens et al. no sanitisation) at a sink.

Storage 44

Storage Cache Network Transportation 44

Alex Russell

MAY 4, 2016

But doesn’t AppCache let you cache documents you might want offline? ” , you say, “doesn’t AppCache also allow you to put documents in the cache directly, bypassing all of that?” The legacy web, however, can take as long as the TCP timeout (2 minutes in many devices) to end in failure.

Performance 44

Performance Cache Google Network 44

Alex Russell

APRIL 29, 2021

Chrome has missed several APIs for 3+ years: Storage Access API. An extension to Service Workers that enables browsers to present users with cached content when offline. A-series chips have run circles around other ARM parts for more than half a decade, largely through gobsmacking amounts of L2/L3 cache per core.

Media 145

Media Games Education Engineering 145

Percona

JANUARY 4, 2023

Stage – Instrument starting with ‘stage’ provides the execution stage of any query like reading data, sending data, altering table, checking query cache for queries, etc. It may be because of several reasons, for example, storage is full. For example stage/sql/altering table. I have not enabled any other instrument explicitly.

Performance 105

Performance C++ Monitoring Servers 105

SQL Server According to Bob

JANUARY 11, 2020

Copyright The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Microsoft may have patents, patent applications, trademarks, copyrights, or other intellectual property rights covering subject matter in this document.

Servers 40

Servers Cache Media Hardware 40