Scalegrid

MAY 22, 2020

MySQL does not limit the number of slaves that you can connect to the master server in a replication topology. A classic solution for this problem is to deploy a binlog server – an intermediate proxy server that sits between the master and its slaves. The binlog server is set up as a slave to the master, and in turn, acts as a master to the original set of slaves. Ripple is an open source binlog server developed by Pavel Ivanov. Ripple server management.

Servers 143

Servers Transportation Database Processing 143

Scalegrid

FEBRUARY 17, 2020

In a MySQL master-slave high availability (HA) setup, it is important to continuously monitor the health of the master and slave servers so you can detect potential issues and take corrective actions. MySQL Master Server Health Checks. Assuming that the monitoring script is running on the same server as your MySQL server, you can check for the following: Ensure the MySQL service is running. Important Health Checks for your MySQL Master-Slave Servers Click To Tweet.

Servers 210

Servers Availability Programming Database 210

Addy Osmani

DECEMBER 21, 2020

React Server Components aim to enable modern UX with a server-driven mental model. In this post I will share some notes I took while catching up on the latest RFC and talk around this work

Servers 114

Servers 114

Scalegrid

MAY 13, 2019

MySQL Server generates several logs that can help you monitor the activities of the server. Setting Up MySQL Server Logging. Managing MySQL Server Logs: Rotate, Compress, Retain & Delete Click To Tweet. Check out these other posts to learn more about optimizing your MySQL deployments: Calculating InnoDB Buffer Pool Size for your MySQL Server. MySQL Tutorial – Configuring and Managing SSL On Your MySQL Server.

Servers 176

Servers Best Practices Efficiency Database 176

SQL Shack

NOVEMBER 23, 2020

In this article, we will talk about the query tuning features that were announced with SQL Server 2019. Performance SQL Server 2019Introduction Sometimes, tuning the queries can be a tough task for database developers or administrators.

Tuning 78

Tuning Servers Database Development 78

SQL Shack

OCTOBER 12, 2020

It is the 30th article in the SQL Server Always On Availability Groups series and explores column-level SQL Server encryption with AG groups. Always On Availability Groups Security SQL Server 2019

Availability 81

Availability Servers Database 81

DZone

DECEMBER 30, 2020

Server page faults/second. database performance garbage collection memory leaks app server performance monioringBelow are some of the key metrics that need to be monitored during performance testing: CPU utilization. Heap memory utilization. Number of active/daemon threads. Number of classes loaded. Cache hit ratio. Active total sessions. SSL transactions/second. Active/total DB pool connections. Application log. Load balancing. Requests/second.

Servers 109

Servers Cache Performance Testing Metrics 109

High Scalability

FEBRUARY 17, 2020

In a MySQL master-slave high availability (HA) setup, it is important to continuously monitor the health of the master and slave servers so you can detect potential issues and take corrective actions. MySQL Master Server Health Checks. In this blog post, we explain some basic health checks you can do on your MySQL master and slave nodes to ensure your setup is healthy.

Servers 175

Servers Programming Database Availability 175

SQL Shack

JANUARY 5, 2021

In this article, we will explore how the ORDER BY statement affects the query performance and we will also learn some performance tips related to sorting operations in SQL Server.

Servers 77

Servers Performance 77

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 […]. AlwaysOn Availability Groups Installation, setup and configuration SQL Server 2019

Servers 53

Servers Virtualization Availability Infrastructure 53

SQL Shack

OCTOBER 6, 2020

In this 29th article of the SQL Server Always On Availability Groups series, we configure the AG between SQL Server Linux instances. Introduction SQL Server 2017 & 2019 works on the cross-platform operating system: Windows and Linux.

Availability 52

Availability Servers Operating System Systems 52

SQL Shack

OCTOBER 26, 2020

In this article, we will explore, how we can increase SQL Server performance with the help of the wait statistics. Wait statistics are one of the most important indicators to identify performance issues in SQL Server.

Servers 84

Servers Performance Monitoring 84

SQL Shack

OCTOBER 14, 2020

In this article, we will learn the SQL Server clustered index concept and some internal details. A clustered index is one of the main index types in SQL Server and the working principle is a bit complicated but in […].

Servers 81

Servers Database Design Performance 81

SQL Shack

JULY 2, 2020

This article gives you an insight into SQL Server Index properties in SSMS. Introduction We can create indexes in SQL Server using both GUI and t-SQL method. Development Indexes SQL Server Management Studio (SSMS Once we create an index using t-SQL, we specify the index name, key columns, included columns, filter to create it. We do not consider other index options. While […].

Servers 55

Servers Development 55

SQL Shack

AUGUST 27, 2020

In this article, we will learn some basic tips for SQL Server performance tuning. Tuning the SQL Server performance will help to access data faster so the applications data interaction performances will enhance. SQL Server […].

Tuning 79

Tuning Servers Database Performance 79

Scalegrid

DECEMBER 9, 2019

However, discarding a server like this is expensive and inefficient. In this blog post, we will explain an approach to detect and fix transactions on the crashed MySQL master server in a semisynchronous replication setup, and how to re-slave it back into your master-slave setup. Re-Slaving a Crashed #MySQL Master Server in Semisynchronous Replication Setup Click To Tweet. Remember that you need to retain the UUID of this server as before. In a MySQL 5.7

Servers 117

Servers Availability Database Processing 117

SQL Shack

OCTOBER 14, 2020

In this 32nd article on SQL Server Always On Availability Group series, we will discuss the process to apply a service pack or Cumulative packs for AG replica instances.

Availability 74

Availability Servers Processing 74

SQL Shack

NOVEMBER 26, 2020

Introduction Troubleshooting using Wait Stats in SQL Server is an important perspective when it comes to managing databases. As a database professional, you might have come across situations, where your end-users are not happy with reports being slower.

Database 68

Database Servers Performance 68

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. The SQL Server team has made many changes over the years to try and mitigate issues, but the abuse continues. I have SQL Server 2019 CTP 3.2

Servers 74

Servers C++ Testing Virtualization 74

SQL Shack

MARCH 10, 2020

Introduction In this article, I’m going to explain what the Execution Plans in SQL Server are and how to understand the details of an execution plan by reading the various metrics available once we hover over the components in the plan. Execution plans SQL Server Management Studio (SSMS

Servers 44

Servers Metrics Availability 44

SQL Shack

AUGUST 17, 2020

In this article, we will discuss how to resolve I/O problems that is a very important point for the SQL Server troubleshooting. Detecting and identifying I/O problems in SQL Server can be a tough task for the database administrators (DBAs).

Storage 74

Storage Database Servers Monitoring 74

The Morning Paper

NOVEMBER 15, 2020

Achieving 100 Gbps intrusion prevention on a single server , Zhao et al., Today’s paper choice is a wonderful example of pushing the state of the art on a single server. Moreover, Pigasus wants to do all this on a single server! Can you really do all this on a single server??

Servers 102

Servers Design Energy Hardware 102

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.

Virtualization 63

Virtualization Availability Database Servers 63

SQL Shack

SEPTEMBER 22, 2020

This is the 25th article in SQL Server Always On Availability Groups series. Configure SQL Server Reporting Services for standalone databases SQL Server Reporting Services (commonly known as SSRS) is a service to deploy paginated reports for web and mobile.

Availability 67

Availability Mobile Database Servers 67

SQL Shack

DECEMBER 23, 2019

This article targets the beginners and gives an introduction of the clustered index in SQL Server. Introduction An index plays a crucial role in SQL Server query performance. Indexes Performance SQL Server Management Studio (SSMS Consider a book library with thousands of books. You want to search for a specific book that contains the keyword “adventure” in the title. The books in […].

Servers 50

Servers Performance 50

DZone

APRIL 30, 2020

Following on my previous article. Run your own Video Conference Service with Jitsi , I started looking for a reliable solution to monitor my instance that runs Jitsi. I needed basic information on RAM, CPU, Disk, Networking, and I/O to assess the performance bottleneck for the serve. I was familiar with the tools I used in the past, like Cacti , Nagios , and Zabbix.

Monitoring 118

Monitoring Servers Hardware Open Source 118

SQL Shack

JULY 10, 2019

By removing disk-based storage and the challenge of copying data in and out of memory, query speeds in SQL Server can be improved by orders of magnitude. Migration Performance SQL Server 2019Introduction In-memory technologies are one of the greatest ways to improve performance and combat contention in computing today. TempDB is one of the biggest sources of latency in […].

Latency 73

Latency Servers Storage Speed 73

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. Durability is a cornerstone of any database system and starting with SQL Server 2017 on Linux Cumulative Update 6 (CU6), SQL Server on Linux enables “Forced Flush” behavior as described in this article , improving durability on non-Fua optimized systems. “Be

Servers 73

Servers Media Cache Storage 73

SQL Shack

OCTOBER 7, 2020

In this article, we will learn how to use Apache JMeter to perform a load test on SQL Server.

Latency 90

Latency Servers Performance Testing 90

SQL Shack

DECEMBER 10, 2020

The SQL Server execution plan (query plan) is a set of instructions that describes which process steps are performed while a query is executed by the database engine.

Efficiency 72

Efficiency Database Engineering Servers 72

SQL Performance

MARCH 31, 2020

SQL Server 2019 Cumulative Update #4 is available, with 50 enhancements. The post SQL Server 2019 Cumulative Update #4 appeared first on SQLPerformance.com. SQL Server 2019The build number is 15.0.4033.1.

Servers 40

Servers Availability 40

SQL Shack

MAY 27, 2020

In this article, we will explain batch mode on rowstore feature, which was announced with SQL Server 2019. Performance Performance Testing SQL Server 2019The main benefit of this feature is that it improves the performance of analytical queries, and it also reduces the CPU utilization of these types of queries. Behind the scene, this performance enhancement uses the batch mode […].

Analytics 52

Analytics Servers Performance Testing Testing 52

SQL Shack

APRIL 14, 2020

SQL Server Performance Tuning can be a difficult assignment, especially when working with a massive database where even the minor change can raise a significant impact on the existing query performance. Performance Tuning always plays a vital role in database performance as well as product performance. A query can be optimized with the proper evaluation […]. Performance

Hardware 63

Hardware Tuning Database Servers 63

SQL Performance

MARCH 13, 2020

SQL Server 2019 Cumulative Update #3 is available, with 56 enhancements. The post SQL Server 2019 Cumulative Update #3 appeared first on SQLPerformance.com. SQL Server 2019The build number is 15.0.4023.6.

Servers 40

Servers Availability 40

SQL Shack

NOVEMBER 25, 2019

In an article, An overview of the SQL table variable, we explored the usage of SQL table variables in SQL Server in comparison with a temporary table. Development Performance SQL Server 2019Let’s have a quick recap of the table variable: We can define a table variable and use it similar to a temporary table with few differences. The table […].

Servers 62

Servers Development Performance 62

SQL Shack

AUGUST 25, 2020

In the previous article, An overview of distributed SQL Server Always On Availability Groups, we explored the concept of the distributed availability groups in SQL Server always on availability group. It is available from Windows Server 2016 and SQL Server 2017.

Availability 73

Availability Servers 73

SQL Performance

FEBRUARY 13, 2020

SQL Server 2019 Cumulative Update #2 is now available, with 134 fixes and improvements. The post SQL Server 2019 Cumulative Update #2 appeared first on SQLPerformance.com. SQL Server 2019Build # is 15.0.4013.40.

Servers 40

Servers Availability 40

SQL Shack

JULY 15, 2020

In this article, we will talk about the deadlocks in SQL Server, and then we will analyze a real deadlock scenario and discover the troubleshooting steps. In general, we can find out various theoretical advice and examples about the deadlock problems on the web but, in this article, we will tackle a true deadlock story […]. Deadlocks Performance

Servers 70

Servers Performance 70

SQL Shack

AUGUST 21, 2020

This is the 12th article in the series of SQL Server Always On Availability Groups. Introduction SQL Server 2016 provides a new feature Distributed Availability Group for disaster recovery purposes.

Availability 80

Availability Servers 80

SQL Shack

OCTOBER 20, 2020

In this 33rd article of SQL Server Always On Availability Group series, we will use extended events to monitor the availability group. Introduction Database professionals’ primary role is to do proactive monitoring for ensuring system availability.

Availability 78

Availability Monitoring Database Servers 78

SQL Shack

AUGUST 31, 2020

This is the 16th article for SQL Server Always On Availability Groups series and explores SQL replication integration with AGs. Introduction Recently, I received a requirement to configure the SQL Replication for the availability group database. The specific requirements were as below.

Availability 72

Availability Database Servers 72

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 73

Availability Virtualization Database Servers 73

SQL Shack

SEPTEMBER 20, 2019

In this article, we will discuss a few very common questions that you may be asked during a SQL Server administrator or developer technical job interview. Q1: What is a SQL Server Execution Plan? SQL Server Execution Plan is a binary representation of the steps that are followed by the SQL Server Engine to execute the query. […].

Servers 73

Servers Engineering Development 73