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. “.

Servers 90

Servers Media Cache Storage 90

Dynatrace

AUGUST 24, 2020

Dynatrace VMware and virtualization documentation . Dynatrace Kubernetes documentation . Dynatrace OneAgent documentation . Dynatrace root cause analysis documentation . Similarly, integrations for Azure and VMware are available to help you monitor your infrastructure both in the cloud and on-premises.

Analytics 245

Analytics Infrastructure AWS Operating System 245

Official Blog - World Web Technology

NOVEMBER 24, 2023

Virtual DOM It means Document Object Model. ReactJS utilizes virtual DOM to improve the updating efficiency of actual DOM. ReactJS generates a virtual document object model instead of manipulating changes directly. for server-side development, it’s not limited to that role. for server-side development.

Development 52

Development Virtualization Open Source Architecture 52

Dynatrace

DECEMBER 16, 2021

Since December 10, days after a critical vulnerability known as Log4Shell was discovered in servers supporting the game Minecraft, millions of exploit attempts have been made of the Log4j 2 Java library, according to one team tracking the impact, with potential threat to millions more applications and devices across the globe. Dynatrace news.

Internet 262

Internet Internet Games Java 262

Scalegrid

OCTOBER 17, 2019

Using a connection pool in each module is hardly efficient: Even with a relatively small number of modules, and a small pool size in each, you end up with a lot of server processes. You either need an extra server (or 3), or your database server(s) must have enough resources to support a connection pooler, in addition to PostgreSQL.

Architecture 200

Architecture Database Latency Servers 200

Dynatrace

APRIL 29, 2021

Many Site Reliability Engineers could do without the frustrations of managing virtual or bare-metal compute nodes. A blended EC2 + Fargate approach, as well as a pure Fargate approach, are documented in Dynatrace Help. Dynatrace news. Choosing the best approach depends on the context of your team.

AWS 144

AWS Serverless Java Virtualization 144

Dynatrace

MAY 31, 2019

As of today, the SAP ABAP application server remains the central component of the SAP ERP solution. The ABAP platform monitoring solution is based on the remote monitoring approach and so relies on a Dynatrace ActiveGate extension: No agent installation on SAP servers is required. Why SAP ABAP platform monitoring in Dynatrace?

Monitoring 161

Monitoring Best Practices Infrastructure Programming 161

Percona

MARCH 13, 2023

There is a section in our Documentation ( Introduction to Serverless PostgreSQL ) and a short overview of the primary components: Page Server The storage server with the primary goal of storing all data pages and WAL records Safe Keeper A component to store WAL records in memory (to reduce latency). 50051 2.

Serverless 116

Serverless C++ Storage Latency 116

Dynatrace

JULY 29, 2021

Compression of data that’s older than three days utilizes one virtual CPU. You can expect to see a slight increase in CPU usage (by a few percentage points) of one virtual CPU until the compression of the existing data is complete. The screenshot below shows CPU usage on the same server (a 32-core machine).

Storage 203

Storage Virtualization Infrastructure Availability 203

Dynatrace

MAY 28, 2020

If you have a distributed environment with multiple servers hosting your webservers, app servers, and database, I suggest you install the OneAgent on all these servers to get full end-to-end visibility. This will enable deep monitoring of those Java,NET, Node, processes as well as your web servers.

Engineering 195

Engineering Performance Metrics Best Practices 195

Scalegrid

DECEMBER 16, 2019

It’s a cross-platform document-oriented database that uses JSON-like documents with schema, and is leveraged broadly across startup apps up to enterprise-level businesses developing modern apps. DigitalOcean specialized in SSD-based virtual machines called Droplets that are broken down into four simple categories.

Azure 187

Azure AWS Latency Database 187

Enprowess

SEPTEMBER 7, 2021

Software Developers got to use JavaScript CLI tools to create the back-end part of web applications or server-side. allows creating web application’s server-side or back-end components. is a server-side, open-source, JavaScript runtime environment that allows developers to write JavaScript on the client and the server-side.

Open Source 52

Open Source Virtualization Programming Servers 52

HammerDB

APRIL 27, 2021

In this example we are using SQL Server so the message shows that everything is in order and we can proceed with running tests. If the library failed to load consult the HammerDB documentation on installing and configuring your libraries with the PATH environment variable for Windows or LIBRARY_PATH environment for Linux. print dict.

Virtualization 73

Virtualization Benchmarking Database Operating System 73

Percona

SEPTEMBER 6, 2023

Definitions The examples below use MySQL, but it is helpful to check their competition’s documentation to help explain what a functional index is. Well, there is always a drawback to having the server do something complicated for you. You may also hear this type of index being called Index on expression.

Speed 79

Speed Virtualization Storage Open Source 79

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

Dynatrace

AUGUST 24, 2020

Dynatrace VMware and virtualization documentation . Dynatrace Kubernetes documentation . Dynatrace OneAgent documentation . Dynatrace root cause analysis documentation . Similar ly, integrations for Azure and VMware are available to help you monitor your infrastructure both in the cloud and on-premises.

Analytics 135

Analytics Infrastructure AWS Operating System 135

Dynatrace

OCTOBER 20, 2020

For full details, see the Azure documentation. . You can also track how many requests each slot serves and quickly see if there are any client- or server-side HTTP errors. In the screenshot below you can see that there were many more server errors (5xx) when the slots were swapped at around 14:05. How to get started .

Azure 132

Azure Cloud Traffic Metrics 132

Percona

APRIL 17, 2023

Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100. 20-30% is a good general default for “dirty_ratio,” but on large-memory database servers, this can be a lot of memory.

Best Practices 52

Best Practices Design Tuning Database 52

Percona

JUNE 22, 2023

Load balancing : Requests are evenly distributed across multiple database servers, ensuring the system remains operational even if one server fails. Automated failover : To keep the database operational and minimize downtime, it automatically switches to a backup server if the primary server fails.

Availability 104

Availability Database Open Source Hardware 104

SQL Performance

NOVEMBER 18, 2019

Migrating an on-premises SQL Server instance to an Azure Virtual Machine (VM) is a common method to migrate to Azure. Microsoft has helped simplify things by creating multiple types of virtual machines. Compute optimized – High CPU-to-memory ration, medium traffic web servers and application servers. Generation.

Azure 76

Azure Benchmarking Storage Virtualization 76

Percona

JULY 7, 2023

HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. In general terms, to achieve HA in PostgreSQL, there must be: Redundancy: To ensure data redundancy and provide continuous performance when a primary server fails, multiple copies of the database reside in replica servers.

Availability 81

Availability Open Source Architecture Database 81

Percona

APRIL 12, 2023

Whereas many open source software offerings — like the community version of MySQL — use the GNU General Public License ( GPL ), MongoDB has been under the GNU Affero General Public License ( AGPL ) and more recently under the Server Side Public License ( SSPL ), introduced by MongoDB itself. Is MongoDB free to use?

Open Source 79

Open Source Programming Database Servers 79

Dynatrace

JULY 10, 2019

OneAgents are optimized to send data to the Dynatrace servers with the smallest possible impact, querying the metrics every minute, and the data is a first-class citizen for the Dynatrace AI root-cause analysis. For examples of writing Custom devices, take a look at our document or take inspiration from our GitHub repository.

Java 140

Java Best Practices Metrics Azure 140

HammerDB

OCTOBER 23, 2023

The data shows a scripted automated workload running a number of back to back tests each time with an increasing number of virtual users. Using MariaDB and analysing performance at a workload of 80 Virtual Users the first place we can look at is the information schema user_statistics to quantify the difference in the database traffic.

Benchmarking 62

Benchmarking Database Network C++ 62

KeyCDN

JANUARY 14, 2021

What makes React unique is that it can be rendered either server or client side. Depending on data security requirements, specific components may be rendered on the server while others are rendered on the client. The learning curve for this framework is high, partially due to inconsistent project documentation.

Google 135

Google Mobile Open Source Website 135

HammerDB

NOVEMBER 30, 2022

If you need a different version of Python you can build HammerDB from source as detailed in the documentation to use any version of Python 3 that you wish. Vuser 1:1 Active Virtual Users configured Vuser 1:TEST RESULT : System achieved 39945 NOPM from 92893 SQL Server TPM Vuser 1:Gathering timing data from Active Virtual Users.

Virtualization 44

Virtualization C++ Lambda Monitoring 44

Percona

JULY 15, 2023

Functional Index Internal The functional indexes are implemented as hidden virtual generated columns. by explicitly creating the virtual column. sec) Create the index on the virtual column: mysql> ALTER TABLE products ADD INDEX(create_month); Query OK, 0 rows affected (0.55 mysql> SHOW CREATE TABLE productsG 1.

Virtualization 76

Virtualization Speed Database Efficiency 76

SQL Server According to Bob

JANUARY 11, 2020

Copyright The information ​​ that is contained ​​ in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Complying with all applicable copyright laws is the responsibility of the user.

Servers 40

Servers Cache Database Media 40

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

Brendan Gregg

JANUARY 1, 2019

eBPF should stand for something meaningful, like Virtual Kernel Instruction Set (VKIS), but due to its origins it is extended Berkeley Packet Filter. Some of these have plenty of free documentation online, like for tracing, and others not yet. Perhaps you'd like a new year's resolution: learn eBPF! eBPF is part of the Linux kernel.

C++ 111

C++ Virtualization Programming Code 111

SQL Server According to Bob

JUNE 9, 2016

SQL Server, as outlined in the following post ( [link] ) adjusts to various processor configurations. I have received questions related to how SQL Server accomplishes the alignment on both bare metal and VM installations. For Virtual Machine (VM) installations you may need to consult the VM documentation for support capabilities.

Servers 40

Servers Virtualization Tuning Architecture 40

Enprowess

JANUARY 11, 2022

React got popular due to the virtual document object model (DOM) which enables it to enhance performance of web apps and PWA significantly. Usage of Virtual DOM allows efficient rendering where only certain part of webpage is rerendered speeding up performance. It is being actively developed by Facebook and volunteers.

Virtualization 64

Virtualization Website Speed Mobile 64

HammerDB

FEBRUARY 25, 2021

To benchmark a database we introduce the concept of a Virtual User. When we have multiple CPU cores on both the benchmark client and database server it is crucial that these database sessions run independently of each other at the same time, in parallel. The following is an example from TPROC-C from SQL Server. select top 100.

Programming 67

Programming Benchmarking Virtualization C++ 67

Smashing Magazine

AUGUST 28, 2020

According to the official documentation, Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. First, create a virtual environment, named djangodev. Now to get into your virtual environment, you need to get it activated; source ~/.virtualenvs/djangodev/bin/activate.

Virtualization 143

Virtualization Database Code Processing 143

CSS - Tricks

DECEMBER 23, 2020

The full documentation covers it all. When the Lighthouse CI is run, it will start a server that’s able to run the tests accordingly. Once the test finishes, the server will automatically shut dow. This URL should be serveable by the custom server that you specified. boolean] --config Path to JSON config file.

Performance 78

Performance Storage Servers Virtualization 78

Smashing Magazine

OCTOBER 16, 2023

This time, in Part 2, we are covering a different type of media we commonly encounter: documents. Frontmatter Enclosed in triple dashes ( ), this is an optional section at the beginning of a Markdown file that contains metadata and configuration settings for the document. It should be placed inside Document.

Media 87

Media Website Availability Design 87

HammerDB

JUNE 27, 2022

An important concept was to simulate database users called Virtual Users in parallel (rather than concurrently) to accurately simulate a real database workload with multiple users running from separate systems. The workload also outputted the data from the Virtual Users by simulating individual terminals. Supported Databases.

Benchmarking 62

Benchmarking Open Source C++ Cache 62