Percona

DECEMBER 8, 2023

In this article, we will demonstrate how to achieve asynchronous replication automatic source failover when our replica is a Percona Server for MySQL (PS) and the source is a Percona XtraDB Cluster (PXC) cluster, using virtual IP (VIP) managed by Keepalived. Once node3 becomes available again, the virtual IP should come back to node3.

Servers 86

Servers Virtualization Open Source Scalability 86

DZone

MARCH 20, 2024

Understanding KVM Kernel-based Virtual Machine (KVM) stands out as a virtualization technology in the world of Linux. It allows physical servers to serve as hypervisor hosting machines ( VMs ). Additionally, its standing development history since 2006 ensures a stable virtualization platform.

Virtualization 117

Virtualization Hardware Open Source Storage 117

DZone

OCTOBER 26, 2023

The number of monitored network devices grew to several hundred, and we added monitoring for VPN tunnels, physical servers, VMware vCenter, virtual machines, and some services like DNS and NTP. Over the course of five years, while working on the project, we went through several system upgrades until we finally transitioned to Zabbix 4.0

Monitoring 268

Monitoring Systems DevOps Virtualization 268

SQL Shack

SEPTEMBER 29, 2020

In this 28th article for SQL Server Always On Availability Group series, we explore the high-availability for the SQL Server PolyBase(SSB) external tables using AG groups. SQL Server PolyBase Introduction It is a new feature from SQL Server 2016 to query the relational and non-relational database using data virtualization techniques.

Servers 99

Servers Availability Virtualization Database 99

DZone

NOVEMBER 20, 2023

EC2 instances on AWS are virtual servers that can be used to run applications and services on the AWS cloud. They are characterized by resources such as CPU, RAM, storage capacity, or even bandwidth. Before you even begin exploring the different AWS EC2 instances , it is necessary to know your needs and your use cases.

AWS 177

AWS Virtualization Storage Cloud 177

DZone

AUGUST 23, 2023

It serves as a bridge between Azure resources, on-premises servers, and virtual machines, enabling users to gain deep insights into the health and performance of their applications and infrastructure.

Azure 223

Azure Monitoring Virtualization Infrastructure 223

Dynatrace

JUNE 5, 2023

With its ability to handle SSL offloading, distribute traffic across multiple servers, and provide security features like DDoS protection, application firewall, and SSL VPN, organizations of all sizes rely on F5 BIG-IP LTM to improve application performance, availability, and security. Why is the Dynatrace F5 extension so popular?

Traffic 194

Traffic Virtualization Metrics Monitoring 194

DZone

FEBRUARY 6, 2024

Grafana is used widely these days to monitor and visualize the metrics for 100s or 1000s of servers, Kubernetes Platforms, Virtual Machines, Big Data Platforms, etc. If the data sources are not available then customized plugins can be developed to integrate these data sources.

Big Data 161

Big Data Open Source Virtualization Metrics 161

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 112

Servers Best Practices Database Open Source 112

DZone

JULY 11, 2022

If you are a software developer, sooner or later you’ll have to connect to a Linux machine to perform administrative tasks, access remote database servers, or deploy applications, among other things. Getting comfortable using the command-line interface (CLI) is a must if you want to be proficient with Linux.

Virtualization 268

Virtualization Database Servers Software 268

SQL Shack

JULY 15, 2020

In this article, we will proceed with configuring a SQL Server Always On Availability Groups and perform failover validations. A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016 Configuration of virtual machines on Oracle […].

Servers 69

Servers Availability Virtualization Infrastructure 69

Dynatrace

MARCH 14, 2023

Dynatrace provides server metrics monitoring in under five minutes, showing servers’ CPU, memory, and network health metrics all the way through to the process level, with no manual configuration necessary. Auto-detection starts monitoring new virtual machines as they are deployed. How does Dynatrace help?

AWS 281

AWS Lambda Serverless Virtualization 281

HammerDB

OCTOBER 24, 2023

by @krithikasatish and @JoshInnis to provide accelerated load performance for both SQL Server TPROC-C and TPROC-H schemas. Summary The new Use BCP Option for SQL Server accelerates both TPROC-C and TPROC-H schema loads, so you can get to running your benchmarks faster. With the default for v4.9 to have this feature enabled.

Servers 62

Servers C++ Benchmarking Virtualization 62

Dynatrace

FEBRUARY 2, 2022

Additional benefits of Dynatrace SaaS on Azure include: No infrastructure investment : Dynatrace manages the infrastructure for you, including automatic visibility, problem detection, and smart alerting across virtual networks, virtual infrastructure, and container orchestration.

Azure 321

Azure Availability Hardware Innovation 321

Dynatrace

DECEMBER 15, 2022

This transition to public, private, and hybrid cloud is driving organizations to automate and virtualize IT operations to lower costs and optimize cloud processes and systems. Besides the traditional system hardware, storage, routers, and software, ITOps also includes virtual components of the network and cloud infrastructure.

Artificial Intelligence 202

Artificial Intelligence DevOps Hardware Virtualization 202

SQL Shack

AUGUST 28, 2020

In this 15th article of SQL Server Always On Availability Groups series, we will cover Transparent Data Encryption (TDE) for AG databases. Introduction In the previous articles of SQL Server Always On series, we explored the following topics so far.

Availability 94

Availability Servers Virtualization Database 94

HammerDB

DECEMBER 14, 2022

In this post, we will do a walk through example of installing and configuring unixODBC and the SQL Server on Linux drivers as well as the HammerDB connection options to enable HammerDB on Linux to be able to connect to SQL Server. bin/odbcinst -d -q [ODBC Driver 17 for SQL Server] [ODBC Driver 18 for SQL Server].

Servers 62

Servers Virtualization Code Testing 62

SQL Shack

JULY 23, 2020

This is the 5th article in the series of a comprehensive guide to SQL Server Always On Availability Groups. Introduction In the previous articles (see TOC at the bottom), we configured a two-node SQL Server Always On Availability Group. Build three Virtual Servers with Windows Server […].

Availability 87

Availability Servers Virtualization Performance 87

High Scalability

SEPTEMBER 14, 2020

Today, HPC is typically a mix of resources, including supercomputing and virtualized and bare metal servers, platforms for management, sharing and integration capabilities, and more. High performance computing (HPC) enables you to solve complex problems which cannot be solved by regular computing.

Cloud 261

Cloud Big Data Virtualization Efficiency 261

SQL Shack

JULY 13, 2020

In this series for SQL Server Always On availability groups, we are covering end to end configurations for SQL Server 2019 on Windows Server 2016. In the article, A comprehensive guide to SQL Server Always On Availability Groups on Windows Server 2016, we configured three virtual machines with their networking configurations.

Availability 77

Availability Servers Virtualization Network 77

Dynatrace

NOVEMBER 3, 2023

Extensions can monitor virtually any type of technology in your environment. Here are the highlights: Monitoring Citrix (Python coded) The Dynatrace Citrix monitoring extension can now ingest observability signals from Citrix PowerShell SDK cmdlets in addition to existing metrics related to users, sessions, and Virtual Delivery Agent (VDA).

Technology 246

Technology Technology Scalability Availability 246

SQL Shack

JULY 29, 2020

This is the 7th article in the series of SQL Server Always on Availability Groups. Introduction In this series of articles, we configured the SQL Server Always On Availability Group from the beginning of building virtual machines. We covered the following topics so far in this series.

Availability 80

Availability Servers Virtualization 80

Dynatrace

JANUARY 16, 2023

Accordingly, the remaining 27% of clusters are self-managed by the customer on cloud virtual machines. On-premises data centers invest in higher capacity servers since they provide more flexibility in the long run, while the procurement price of hardware is only one of many cost factors.

Open Source 343

Open Source Java Operating System Programming 343

The Polyglot Developer

APRIL 21, 2017

The post Using The Docker Client With A Remote Machine Or Virtual Private Server appeared first on The Polyglot Developer. We’re going to take a look at creating and defining a remote machine in Docker and deploying containers on it.

Virtualization 40

Virtualization Servers Development 40

Dynatrace

OCTOBER 1, 2020

Applications and services are often slowed down by under-performing DNS communications or misconfigured DNS servers, which can result in frustrated customers uninstalling your application. Identify under-performing DNS servers. Slower response times can be a sign of a stressed DNS server or network communication issues.

Traffic 264

Traffic Network Infrastructure Artificial Intelligence 264

Dynatrace

NOVEMBER 2, 2020

IT infrastructure is the heart of your digital business and connects every area – physical and virtual servers, storage, databases, networks, cloud services. This shift requires infrastructure monitoring to ensure all your components work together across applications, operating systems, storage, servers, virtualization, and more.

Infrastructure 200

Infrastructure Monitoring Virtualization Serverless 200

Dynatrace

JANUARY 9, 2022

Sometimes the Python virtual machine crashes. Windows: Windows Server 2004. Windows: Windows Server 1903. Windows: Windows Server 1909. Symptoms : No data is provided for affected metrics on dashboards, alerts, and custom device pages populated by the affected extension metrics. Extension logs display errors.

Operating System 220

Operating System Google Java Virtualization 220

SQL Performance

AUGUST 2, 2019

I have been making the same recommendations about tempdb since I started working with SQL Server over 15 years ago, when I was working with customers running version 2000. From the customer side, this has been the limit of what can be done*, until SQL Server 2019. I have SQL Server 2019 CTP 3.2 Now that 2019 CTP 3.2 JOIN tempdb.

Servers 95

Servers C++ Testing Systems 95

SQL Shack

AUGUST 12, 2020

This is the 10th article in the series for SQL Server Always On Availability Groups. Introduction In this series, we configured the SQL Server Always On Availability Groups beginning from virtual server build. Always On provides a robust high availability and disaster recovery solution in SQL Server.

Availability 52

Availability Servers Virtualization 52

Dynatrace

DECEMBER 8, 2022

DevOps platform engineers are responsible for cloud platform availability and performance, as well as the efficiency of virtual bandwidth, routers, switches, virtual private networks, firewalls, and network management. Open source CI/CD pipeline tool with extensible server automation for distributed builds and scaling.

DevOps 191

DevOps Engineering Testing Open Source 191

SQL Performance

APRIL 5, 2022

As this post is chiefly concerned with the Virtual Log Files (VLFs) I described, I recommend you read the second part before continuing. SQL Server tracks the start of the oldest uncommitted (active) transaction, and this LSN is persisted on disk every time a checkpoint operation occurs.

Servers 55

Servers Database Virtualization Processing 55

DZone

JANUARY 3, 2024

Through the use of virtualization technology, multiple operating systems can now run on a single physical machine, revolutionizing the way we use computer hardware.

Virtualization 313

Virtualization Education Media Hardware 313

Dynatrace

OCTOBER 17, 2023

How IT operations teams can de-silo monitoring data According to the Gartner report, “IT operations practitioners may be in specific silos, such as the network team, server team, virtualization team, application support team or other cross-functional teams (such as a generalized monitoring team).

Monitoring 226

Monitoring Artificial Intelligence Performance Analytics 226

Dynatrace

OCTOBER 18, 2022

the standard lookups include interpolators that could make this vulnerability exploitable: “script” to execute expressions using the JVM (or Java Virtual Machine) script execution engine (javax.script), “dns” to resolve DNS records. url” to load values from remote servers via URLs. Starting with version 1.5,

Java 224

Java Open Source Virtualization Code 224

Dynatrace

NOVEMBER 23, 2020

Nevertheless, there are related components and processes, for example, virtualization infrastructure and storage systems (see image below), that can lead to problems in your Kubernetes infrastructure. After applying the first manifests (which are likely copied and pasted from a how-to tutorial ), a web server is up and running within minutes.

Virtualization 161

Virtualization Infrastructure Monitoring Cloud 161

Percona

DECEMBER 20, 2023

Modern servers operate with terabytes of RAM, and by default, processors work with virtual memory address translation for each 4KB page. OS maintains a huge list of allocated and free pages to make slow but reliable address translation from virtual to physical.

C++ 97

C++ Virtualization Benchmarking Database 97

Scalegrid

JUNE 6, 2019

While all other DBaaS platforms require you to host through their service, ScaleGrid encourages users to host in the safety of their own accounts so they can leverage advanced security features like AWS Virtual Private Clouds (VPC) to protect their data from the internet, and Security Groups to lock down access to their servers.

AWS 191

AWS Cloud Open Source Virtualization 191