Scalegrid

JULY 13, 2020

Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. While Oracle remains the #1 database on the market, its popularity has steadily declined by over 18% since 2013.

Open Source 244

Open Source Tuning C++ Database 244

Smashing Magazine

OCTOBER 29, 2018

Measuring Performance With Server Timing. Measuring Performance With Server Timing. 2019-04-29T18:34:58+00:00. That issue is slow server response times. There’s very little browser optimisations can do to improve a page that is simply slow to build on the server. The Server Timing Header. Drew McLellan.

Servers 87

Servers Performance Metrics Database 87

SQL Performance

OCTOBER 14, 2020

In my examples I’ll continue using the sample databases TSQLV5 and PerformanceV5. In Part 4 of the series, which focused on optimization of derived tables, I described a process of unnesting/substitution of table expressions. You can find the script that creates and populates TSQLV5 here , and its ER diagram here.

C++ 140

C++ Servers Code Efficiency 140

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.

IoT 61

IoT Servers Development Cache 61

MachMetrics

DECEMBER 27, 2019

It can also be described as server delay. TTFB is typically reduced via server-side optimizations, such as enabling caching and database indexes. This metric is the time from a visitors first interaction with the page, until the browser is ready to process that event. This was one of the more shocking areas of the study.

Performance 52

Performance Speed Website Mobile 52

Dynatrace

SEPTEMBER 7, 2019

Database tracing using Couchbase Node.js OneAgent for IBM Z platform is now also compatible with the SUSE Linux Enterprise Server (SLES) 12 distribution. in November 2019 as it reached end-of-life on June, 27th 2019. in November 2019 as it reached end-of-life on June, 27th 2019. Dynatrace news. with Java 6.

Java 101

Java Traffic AWS Monitoring 101

SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. I will be using the 50GB Stack Overflow 2013 database , but any large table with a low number of distinct values would do. The Stack Overflow 2013 database comes without nonclustered indexes to minimize download time. Votes AS V.

Servers 86

Servers Tuning Database Efficiency 86

SQL Performance

JULY 16, 2019

A close monitoring of the hardware enthusiast community, including many of the most respected hardware analysts and reviewers paints an even more dire picture about Intel in the server processor space. Despite all of this, Intel is not going to lose their entire server processor business any time soon. So, what has changed my mind?

Servers 46

Servers Hardware Architecture Retail 46

SQL Performance

AUGUST 14, 2019

In my examples I'll use a sample database called TSQLV5. You can find the script that creates and populates this database here , and its ER diagram here. The performance penalty is relevant only when the window function is optimized with row-mode processing operators. Figure 1: Plan for Query 1, row-mode processing.

Best Practices 108

Best Practices Servers Database Azure 108

Percona

AUGUST 17, 2023

PostgreSQL is open source relational database management software. StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. PostgreSQL supports multiple concurrent users and can handle complex database operations without downtime or data loss. What is PostgreSQL used for?

Open Source 80

Open Source Healthcare Social Media Database 80

Dynatrace

APRIL 5, 2021

It automatically manages all the computing resources those processes require. Azure is a large and growing cloud computing ecosystem that empowers its users to access databases, launch virtual servers, create websites or mobile applications, run a Kubernetes cluster, and train machine learning models, to name a few examples.

Azure 136

Azure Serverless IoT Lambda 136

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The same changes made in the primary database are made in the replicas.

Availability 85

Availability Open Source Architecture Database 85

Dynatrace

JANUARY 20, 2020

Having released this functionality in a Preview Release back in October 2019, we’re now happy to announce the General Availability of our SAP ABAP real user monitoring. Was it the server, the network, or the database that caused the degraded response time? Dynatrace news. SAP GUI user experience KPIs out of the box.

Monitoring 152

Monitoring Performance Infrastructure Network 152

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. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

Percona

JULY 15, 2023

One very common problem when trying to optimize a database environment is index usage. Introduction to MySQL Indexes Indexes in MySQL are database structures used to optimize data retrieval speed and efficiency. They are a roadmap that speeds up the process of finding specific rows in a large table. Check out this blog here !

Virtualization 78

Virtualization Speed Database Efficiency 78

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Vitaly Friedman. Web performance is a tricky beast, isn’t it? Table Of Contents. Getting Ready: Planning And Metrics.

Performance 103

Performance Cache Metrics Network 103

Percona

APRIL 13, 2023

was released in August 2019. Since Percona Server for MongoDB (PSMDB) is a fully compatible replacement for the upstream MongoDB Community Edition, we try to follow the same EOL date as the upstream vendor. Don’t leave your database vulnerable because this version has gone on to the database software wasteland.

Servers 70

Servers Database Processing Systems 70

The Morning Paper

JULY 11, 2019

View-centric performance optimization for database-backed web applications Yang et al., In my experience, server-side view rendering time can also be surprisingly significant in web applications). you are doing the count in the database, right?). cant portion of the page load time. (In

Database 47

Database Performance Speed Servers 47

Smashing Magazine

MAY 5, 2021

Smaller HTML means less time for Google to download and process those long strings of text. However, in our pages, the case was different as our database stores lots of data, and we need to serve thousands of landing pages at scale. That way, the user can start the process of painting the largest content paint ASAP.

Google 110

Google Architecture Servers Speed 110

Dynatrace

JULY 3, 2019

When a web application or mobile app process doesn’t respond quickly, users may repeatedly click the affected UI control in helpless frustration. Usability analytics with rage clicks will be publicly available towards the end of June, 2019. Rage-click detection, as a measure of user frustration, is one such feature. Want to try it out?

Analytics 120

Analytics Tuning Mobile Monitoring 120

Particular Software

JANUARY 27, 2020

Microsoft Message Queuing, better known by its nickname MSMQ, passed away peacefully in its hometown of Redmond, Washington on October 14, 2019, at the age of 22. Since it exists in Windows 10 and Windows Server 2019, MSMQ will continue to live on until at least 2029—and much longer assuming it isn't removed from future versions of Windows.

Transportation 98

Transportation Azure Open Source Systems 98

SQL Performance

MARCH 29, 2022

When SQL Server applies simple parameterization to an ad-hoc statement, it makes a guess about the data type of the replacement parameter. For the time being, let’s look at some examples using the Stack Overflow 2010 database on SQL Server 2019 CU 14. The bigint type isn’t used for server-side parameterization.

Cache 90

Cache Servers Database Testing 90

Dynatrace

MAY 6, 2019

Here’s what you can do with our GA code modules for z/OS: Gain insight into the CICS Transaction Server on z/OS with our CICS code module. Processes represents the CICS and the IMS regions themselves. The detailed installation process will be sent to you when you accept our invitation to join the Early Access Program.

Java 116

Java Programming Technology Technology 116

SQL Performance

MARCH 30, 2021

This five-part series takes a deep dive into the way SQL Server row mode parallel plans start up. I used the public Stack Overflow 2013 database ( download details ). ) ; My test environment is SQL Server 2019 CU9 on a laptop with 8 cores and 16GB of memory allocated to the instance. Parallel Plan Initialization.

Cache 98

Cache Servers Operating System Processing 98

SQL Performance

MARCH 8, 2021

SQL Server 2014 SP2 and later produce runtime (“actual”) execution plans that can include elapsed time and CPU usage for each execution plan operator (see KB3170113 and this blog post by Pedro Lopes). SQL Server makes some timing adjustments in parallel plans to promote consistency, but they are not perfectly implemented. TheYear , CA.

Servers 95

Servers Tuning Architecture Processing 95

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. The HammerDB name.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

SQL Performance

MAY 11, 2022

These can result in different parts of the plan needing to process the input data in different orders. In my examples, I’ll use the sample database PerformanceV5. You can download the source code to create and populate this database here. It processes the functions in the plan in the order they appear in the query.

C++ 133

C++ Database Servers Code 133

SQL Performance

OCTOBER 14, 2020

In my examples I’ll continue using the sample databases TSQLV5 and PerformanceV5. In Part 4 of the series, which focused on optimization of derived tables, I described a process of unnesting/substitution of table expressions. You can find the script that creates and populates TSQLV5 here , and its ER diagram here.

C++ 52

C++ Servers Code Efficiency 52

SQL Performance

MARCH 22, 2022

This series doesn’t dwell too long on the basics but concentrates on less well-known aspects likely to trip up even the most experienced database professionals. It's almost always better to explicitly parameterize statements, rather than relying on the server to do it. ALTER DATABASE SCOPED CONFIGURATION. Shell Plans.

Cache 61

Cache Servers Database Code 61

SQL Performance

MAY 20, 2022

The Compilation Process. The most important things to understand about server-side parameterization are it doesn’t happen all at once and a final decision to parameterize isn’t made until the end of the process. Names of tables and columns haven’t been resolved to database objects yet, and no type information is available.

Cache 55

Cache Database Servers Testing 55

Smashing Magazine

JULY 16, 2019

2019-07-16T14:30:59+02:00. 2019-07-16T14:35:52+00:00. Web scraping is a way to grab data from websites without needing access to APIs or the website’s database. When building our scrapers, we also need to make sure that we do not overwhelm a server with requests that it can’t handle.

Scalability 87

Scalability Website C++ Servers 87

SQL Performance

SEPTEMBER 6, 2022

Let’s look at some examples using a fresh database. I happen to be using SQL Server 2019 CU16 but the details I’ll describe haven’t materially changed since partition level lock escalation was added to SQL Server 2008. USE master ; -- Create a new test database. -- COLLATE clause only to remind people it exists.

Database 98

Database Storage Testing Servers 98

Smashing Magazine

SEPTEMBER 3, 2019

2019-09-03T12:30:00+02:00. 2019-09-03T11:35:16+00:00. Managing the deployment of a website used to be easy: It simply involved uploading files to the server through FTP and you were pretty much done. All this process sounds like a bit too much, right? Automating Website Deployments Through Buddy. Leonardo Losoviz.

Website 82

Website Serverless AWS Lambda 82

SQL Performance

DECEMBER 9, 2020

I mainly experimented with different table value constructor cardinalities, with serial versus parallel processing, and with row mode versus batch mode processing. You can create supporting tables in the user database if needed. The plan is serial, and all operators in the plan use row mode processing by default.

C++ 114

C++ Servers Testing Processing 114

SQL Performance

AUGUST 27, 2021

When you enable one of the two forms of versioning, SQL Server uses a mechanism called versioning to preserve pre-change versions of a record in the version store in tempdb. This timestamp is used to make sure a query processes the correct version of a record. The mechanics of this process aren’t relevant for the purposes of this post.

Database 56

Database Storage Availability Servers 56

SQL Performance

AUGUST 4, 2022

Let’s now continue following the compilation process to see how SQL Server decides if simple parameterization is safe or unsafe. Code examples use the Stack Overflow 2010 database on SQL Server 2019 CU 16 with the following additional nonclustered index: CREATE INDEX [ IX dbo. Timing is a key point here.

Servers 61

Servers Cache Database Availability 61

SQL Performance

AUGUST 12, 2020

In my examples I’ll use a sample database called TSQLV5. So it could be that the term originated in one of the database products and later adopted by some of the other database vendors. So it could be that the term originated in one of the database products and later adopted by some of the other database vendors.

C++ 140

C++ Code Design Database 140