SQL Server According to Bob

JULY 12, 2016

For SQL Server 2008, 2012 and 2014 the trace flag behavior remains the same. For SQL Server 2016 the trace flags are available but the behavior may be altered by the design changes. Trace flag 2549 is used to change how DBCC sees the volume layout of the database.

Servers 40

Servers Design Engineering Database 40

SQL Performance

FEBRUARY 22, 2021

We pay a lot of attention to latency here, along with any long-running transactions, because of downstream impact to technologies that use the log reader – like Availability Groups and transactional replication. Recently one of our teams was investigating a log reader latency issue. Sure, sys.sysprocesses has dbid and waittime.

Latency 57

Latency Servers Monitoring Systems 57

All Things Distributed

AUGUST 20, 2012

By Werner Vogels on 21 August 2012 12:01 AM. Using Amazon Glacier AWS customers no longer need to worry about how to plan and manage their archiving infrastructure, unlimited archival storage is available to them with a familiar pay-as-you-go model, and with storage priced as low as 1 cent per GB it is extremely cost-effective.

Storage 122

Storage Cloud AWS Media 122

All Things Distributed

NOVEMBER 8, 2012

By Werner Vogels on 08 November 2012 03:00 PM. For example, AWS customers use SQS for asynchronous communication pipelines, buffer queues for databases, asynchronous work queues, and moving latency out of highly responsive requests paths. All Things Distributed. Werner Vogels weblog on building scalable and robust distributed systems.

Efficiency 107

Efficiency Cloud Games Scalability 107

All Things Distributed

FEBRUARY 22, 2012

By Werner Vogels on 22 February 2012 12:01 AM. Today, to accomplish this, developers are forced to write complicated infrastructure that typically involves message queues and databases along with complex logic to synchronize them. All Things Distributed. Werner Vogels weblog on building scalable and robust distributed systems.

Cloud 130

Cloud AWS Java Scalability 130

All Things Distributed

APRIL 5, 2012

By Werner Vogels on 06 April 2012 06:00 AM. One of the services that is very successful in driving innovation at our customers in this context is Amazon RDS , the Relational Database Service. Werner Vogels weblog on building scalable and robust distributed systems. Comments (). hands freeÃ? and took near zero development effort.

Innovation 149

Innovation AWS Education Network 149

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

Scalegrid

JULY 17, 2020

Why should a relational database even care about unstructured data? Wave 1: PostgreSQL 9.2 (2012) added support for JSON data type. JSON database in 9.2 It is useful to validate incoming JSON and store in the database. For example, find all books that are available in braille. JSONB Patterns & Antipatterns.

Storage 321

Storage Database Efficiency Processing 321

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

O'Reilly Software

OCTOBER 23, 2018

By 2012, Harvard Business Review published an article by Thomas Davenport and D.J. Entropy" refers to the second law of thermodynamics, which roughly states that systems over time will degrade into an increasingly chaotic state, such that the amount of energy in the system available for work is diminished. Machiavelli, The Art of War.

Strategy 100

Strategy Architecture Technology Technology 100

All Things Distributed

JANUARY 18, 2012

a Fast and Scalable NoSQL Database Service Designed for Internet Scale Applications. By Werner Vogels on 18 January 2012 07:00 AM. 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. Amazon DynamoDB â??

Scalability 167

Scalability Database Ecommerce Latency 167

All Things Distributed

OCTOBER 8, 2014

We designed DynamoDB to operate with at least 99.999% availability. We started with Amazon Dynamo, a simple key-value store that was built to be highly available and scalable to power various mission-critical applications in Amazon’s e-commerce platform. In 2012, we launched Amazon DynamoDB, the successor to Amazon Dynamo.

Availability 145

Availability Performance Scalability AWS 145

SQL Performance

MAY 20, 2022

Each component is active at a different time during compilation and performs its own parameterization-related tasks using the information available at that time. As in previous parts, most code examples use the Stack Overflow 2010 database on SQL Server 2019 CU 16 with the following additional nonclustered index: CREATE INDEX [ IX dbo.

Cache 55

Cache Database Servers Testing 55

Percona

JUNE 6, 2023

This blog was originally published in January 2012 and was updated in June 2023. When it comes to backups, there are multiple types available, each with its own advantages and limitations. A full backup is a comprehensive data backup strategy that involves creating a complete, exact copy of all data and files in a database.

Storage 67

Storage Strategy Network Efficiency 67

SQL Server According to Bob

SEPTEMBER 26, 2016

When we released Always On Availability Groups in SQL Server 2012 as a new and powerful way to achieve high availability, hardware environments included NUMA machines with low-end multi-core processors and SATA and SAN drives for storage (some SSDs). Direct seeding of new database replicas. . See more in this blog post.

Availability 40

Availability Servers Hardware Benchmarking 40

SQL Performance

MAY 1, 2019

The following demo script should be run on a development instance in a new test database set to use the SIMPLE recovery model. For SQL Server 2012 and earlier , the transition point for this particular table is 898 rows. The thresholds are not dependent on the Cardinality Estimation model in use or the database compatibility level.

Servers 47

Servers Database Testing Performance 47

All Things Distributed

OCTOBER 2, 2017

Today marks the 10 year anniversary of Amazon's Dynamo whitepaper , a milestone that made me reflect on how much innovation has occurred in the area of databases over the last decade and a good reminder on why taking a customer obsessed approach to solving hard problems can have lasting impact beyond your original expectations.

Internet 130

Internet Internet AWS Performance 130

SQL Performance

JULY 11, 2019

Connecting to SQL Server 2012 or better, or Azure SQL Database. And recommended system configuration: Two or more cores 8GB or more of memory Operating Systems: Windows (8.1 / Server 2012 R2 or better) macOS (10.13 First, ensure you meet our requirements: Azure Data Studio 1.9.0 or newer ( July announcement post ).NET

Azure 90

Azure Servers Tuning Operating System 90

All Things Distributed

DECEMBER 12, 2013

We launched DynamoDB last year to address the need for a cloud database that provides seamless scalability, irrespective of whether you are doing ten transactions or ten million transactions, while providing rock solid durability and availability. Traditionally, databases have been scaled as a whole –tables and indexes together.

Games 130

Games Scalability Database Retail 130

All Things Distributed

JUNE 21, 2017

Today, I'm excited to announce the general availability of Amazon DynamoDB Accelerator (DAX) , a fully managed, highly available, in-memory cache that can speed up DynamoDB response times from milliseconds to microseconds, even at millions of requests per second. DynamoDB was the first service at AWS to use SSD storage.

Speed 123

Speed Cache Latency AWS 123

All Things Distributed

JUNE 21, 2012

By Werner Vogels on 21 June 2012 09:00 AM. In the five months since it launched in January, DynamoDB , our fast and scalable NoSQL database service, has been setting AWS growth records. ve already passed our 2012 targets. Amazon DynamoDB - From the Super Bowl to WeatherBug. Comments (). In short, DynamoDB is taking off.

Games 142

Games Scalability AWS Database 142

All Things Distributed

NOVEMBER 28, 2012

By Werner Vogels on 28 November 2012 09:00 AM. Unlike traditional row-based relational databases, which store data for each row sequentially on disk, Amazon Redshift stores each column sequentially. This means that Redshift performs much less wasted IO than a row-based database because it doesnâ??t Expanding the Cloud â??

Cloud 164

Cloud Storage Architecture Scalability 164

SQL Performance

AUGUST 15, 2019

Connecting to SQL Server 2012 or better, or Azure SQL Database. And recommended system configuration: Two or more cores 8GB or more of memory Operating Systems: Windows (8.1 / Server 2012 R2 or better) macOS (10.13 First, ensure you meet our requirements: Azure Data Studio 1.9.0 or newer ( July announcement post ).NET

Azure 50

Azure Servers Tuning Operating System 50

All Things Distributed

FEBRUARY 18, 2013

When a new app server instance starts, OpsWorks will use built-in recipes to configure the app server software and deploy your apps, and can also apply your specified recipes to make changes to your database and monitoring infrastructure. Operational Control â?? Automate tasks. AWS Application Management Solutions. Contact Info. Other places.

AWS 157

AWS Cloud Architecture Infrastructure 157

Brendan Gregg

NOVEMBER 29, 2017

At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. But not all workloads: some are network bound (proxies) and storage bound (databases). ## 5. This was because most of our workloads are CPU and memory bound, which were already virtualized in hardware.

Virtualization 111

Virtualization AWS Hardware Storage 111

O'Reilly

JULY 25, 2023

To provide some coherence to the music, I decided to use Taylor Swift songs since her discography covers the time span of most papers that I typically read: Her main albums were released in 2006, 2008, 2010, 2012, 2014, 2017, 2019, 2020, and 2022. This choice also inspired me to call my project Swift Papers. But still, I liked how Moment.js

Programming 98

Programming Code Design Benchmarking 98

Alex Russell

MARCH 6, 2021

The cheapest (high volume) Androids perform like 2012/2013 iPhones, respectively. Modern network performance and availability. low-end Androids have finally caught up to the iPhone 5 from 2012. twitter.com/slightlylate/status/1139684093602349056 455 06:18 AM · Feb 28, 2020. Here begins our 2021 adventure. Hard Reset.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

APRIL 1, 2020

We need a new breed of CMS — one that can make content available through any channel at which point a Headless CMS is required. The API makes contents available through any channel and on any device using most favorite tools and programming languages plus it also provides a higher level of security and much better scalability.

Open Source 103

Open Source Website Mobile Code 103

Brendan Gregg

NOVEMBER 28, 2017

At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. But not all workloads: some are network bound (proxies) and storage bound (databases). ## 5. This was because most of our workloads are CPU and memory bound, which were already virtualized in hardware.

Virtualization 40

Virtualization AWS Hardware Storage 40

Highly Scalable

MARCH 10, 2015

This approach can be expressed in more formal way by the following equation: where is the data available for analysis, is the space of a retailer’s actions and decisions, is an econometric model defined as a function of actions and data, and is the optimal strategy. This framework resembles the approach suggested in [JK98].

Retail 152

Retail C++ Analytics Metrics 152

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. instructions are available. Still, when the plan generally qualifies for grouped aggregate pushdown, both pushdown (fast) and non-pushdown (slow) code paths are made available.

Servers 67

Servers Testing Metrics Storage 67

Percona

JANUARY 14, 2019

What if we use ClickHouse (which is a columnar analytical database) as our main datastore? Well, typically, an analytical database is not a replacement for a transactional or key/value datastore. Although such databases can be very efficient with counts and averages, some queries will be slow or simply non existent. Text search.

Database 40

Database Analytics Blockchain Healthcare 40