Scalegrid

AUGUST 22, 2019

In the final post of this series, we will review the last solution, Patroni by Zalando, and compare all three at the end so you can determine which high availability framework is best for your PostgreSQL hosting deployment. Managing High Availability in PostgreSQL – Part I: PostgreSQL Automatic Failover. Managing High Availability in PostgreSQL – Part II: Replication Manager. Managing High Availability in #PostgreSQL – Part III: Patroni vs. PAF vs. repmgr Click To Tweet.

Availability 216

Availability Open Source Servers Network 216

The Morning Paper

FEBRUARY 25, 2020

Meaningful availability , Hauer et al., > A good availability metric should be meaningful, proportional, and actionable. By "proportional" we mean that a change in the metric should be proportional to the change in user-perceived availability.

Availability 114

Availability Metrics Google Systems 114

Scalegrid

MARCH 12, 2019

Are you deploying PostgreSQL in the cloud and want to understand your options for achieving high availability? In our previous blog post, Managing High Availability in PostgreSQL – Part I , we discussed the capabilities and functioning of PostgreSQL Automatic Failover (PAF) by ClusterLabs. Managing High Availability in #PostgreSQL – Part II: Open Source repmgr Tool Click To Tweet. High Availability Test Scenarios.

Availability 118

Availability Servers Database Open Source 118

Dynatrace

JUNE 10, 2020

Having been named as a Leader in the 2020 Gartner APM Magic Quadrant for the 10 th consecutive time proves that Dynatrace is the best-of-breed application performance monitoring tool available. This capability eliminates the need for default trigger events for process availability issues.

Infrastructure 184

Infrastructure Availability Processing Engineering 184

SQL Shack

JANUARY 21, 2021

In this 40th article on SQL Server Always On Availability Group series, we will discuss logins synchronization between replicas. Introduction SQL Server Always On Availability Groups provides high availability and disaster recovery solution for SQL databases.

Availability 71

Availability Database Servers Monitoring 71

SQL Shack

FEBRUARY 8, 2021

In this 41st article for SQL Server Always On Availability Groups, we will explore the session timeout configurations for AG replicas. Prerequisites You should follow articles in the series, SQL Server Always On Availability Groups and prepare the following environment.

Availability 78

Availability Servers 78

High Scalability

APRIL 16, 2019

In this three-part blog series, we introduced a High Availability (HA) Framework for MySQL hosting in Part I, and discussed the details of MySQL semisynchronous replication in Part II. Now in Part III, we review how the framework handles some of the important MySQL failure scenarios and recovers to ensure high availability. The Corosync and Pacemaker framework detects that the master MySQL is no longer available.

Availability 175

Availability Open Source Database Network 175

SQL Shack

JULY 6, 2020

In this article, we will review how to set up multi-subnet Always On Availability groups using AWS EC2 instances and AWS FSx as file share witness. AlwaysOn Availability Groups Clustering High Availability

Availability 86

Availability AWS Servers 86

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. AlwaysOn Availability Groups Installation, setup and configuration

Availability 91

Availability Servers 91

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 84

Availability Monitoring Database Servers 84

Dynatrace

JUNE 25, 2020

Dynatrace Managed is intrinsically highly available as it stores three copies of all events, user sessions, and metrics across its cluster nodes. Our Premium High Availability comes with the following features: Active-active deployment model for optimum hardware utilization.

Availability 213

Availability Hardware Network Latency 213

Scalegrid

JUNE 9, 2020

PALO ALTO, Calif., June 9, 2020 – ScaleGrid, a leading Database-as-a-Service (DBaaS) provider, has just announced support for their MySQL , PostgreSQL and Redis™ solutions on DigitalOcean.

Availability 184

Availability Open Source Benchmarking Azure 184

Scalegrid

JANUARY 8, 2019

In Part I , we introduced a High Availability (HA) framework for MySQL hosting and discussed various components and their functionality. Semisynchronous replication, which is natively available in MySQL, helps the HA framework to ensure data consistency and redundancy for committed transactions. Let’s discuss some of the key MySQL settings used to ensure optimal behavior for high availability and data consistency in our framework.

Availability 109

Availability Tuning Network Speed 109

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 78

Availability Servers 78

SQL Shack

MARCH 8, 2021

In the 42nd article for SQL Server Always On Availability Groups, we are going to explore lease timeouts and health checks. Introduction SQL Server Always On Availability Groups provides resilience for high availability and disaster recovery solution in a multi-node architecture.

Availability 72

Availability Architecture Servers Monitoring 72

SQL Shack

FEBRUARY 28, 2020

In this article, we will discuss a number of interview questions that you could be asked about the SQL Server Always On Availability Groups feature when attending an interview for the SQL Server database administrator role. AlwaysOn Availability Groups SQL interview questions

Availability 95

Availability Database Servers 95

SQL Shack

MAY 27, 2019

In this article, we will explore configuring Read Scale Availability Group that does not require a failover clustering configuration. Introduction SQL Server Always On is a high availability and disaster recovery solution available starting from SQL Server 2012. AlwaysOn Availability Groups High AvailabilityIt helps to scale read-only connections to the secondary replica in a cluster less configuration.

Availability 56

Availability Servers 56

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. Always On Availability Groups Transparent Data Encryption (TDE

Availability 78

Availability Virtualization Database Servers 78

Dynatrace

JULY 31, 2020

Dynatrace Managed now available on the Google Cloud Platform. The post Dynatrace Managed now available on all major cloud platforms appeared first on Dynatrace blog. Dynatrace news.

Cloud 218

Cloud Availability Azure Google 218

Scalegrid

JANUARY 24, 2019

Redis Cluster is the native sharding implementation available within Redis, an open-source in-memory data structure project, that allows you to automatically shard across multiple Redis nodes without having to rely on external tools and utilities. This is available in addition to their Redis replica set solutions that make it easy to spread out your reads across multiple nodes. Some of the advanced benefits of Redis Clusters include: High Availability. PALO ALTO, Calif.,

Availability 103

Availability Open Source Scalability AWS 103

SQL Shack

OCTOBER 13, 2020

In this 31st article of the SQL Server Always On Availability Group series, we will explore how you can use the secondary replica SQL database for your workloads. Always On Availability Groups Transaction log

Availability 89

Availability Database Servers 89

SQL Shack

JULY 13, 2020

In this article, we will configure a SQL Server Always On Availability Group on the Windows Server 2016. Introduction SQL Server Always On Availability Groups offers high availability and disaster recovery solution for mission-critical databases.

Availability 81

Availability Servers Database 81

SQL Shack

NOVEMBER 16, 2020

Introduction SQL Server Always On Availability Groups gives you the ability to safeguard the SQL databases and implements a solution for high-availability and disaster recovery. Always On Availability Groups Monitoring

Availability 87

Availability Monitoring Database Servers 87

Scalegrid

OCTOBER 2, 2019

It’s crucial for organizations to properly configure their Redis™ deployments for high availability and disaster recovery, as a couple minutes of downtime can be detrimental to a company’s security and reputation.”. ScaleGrid is the only cloud hosting service for Redis™ that allows you to customize your master-slave and cross-datacenter configurations for 100% uptime and availability across 30 different Azure regions. PALO ALTO, Calif.,

Azure 100

Azure Availability Open Source Virtualization 100

SQL Shack

JULY 30, 2020

This is the 8th article in the series for SQL Server Always On Availability Groups. Introduction SQL Server Always On Availability Groups create a group of databases that fails over together in case the primary replica is unavailable.

Availability 90

Availability Database Servers 90

SQL Shack

SEPTEMBER 29, 2020

In this 27th article of the SQL Server Always On Availability Group series, we will discuss various failover modes for AG databases. Always On Availability Groups Installation, setup and configuration

Availability 62

Availability Database Servers 62

SQL Shack

JULY 14, 2020

This article explores the configuration of Windows failover clusters, storage controllers and quorum configurations for SQL Server Always On Availability Groups. AlwaysOn Availability Groups Clustering High Availability

Availability 76

Availability Storage Servers 76

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. AlwaysOn Availability Groups Clustering High Availability

Availability 75

Availability Virtualization Network Servers 75

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 87

Availability Servers Database 87

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.

Availability 90

Availability Virtualization Servers Performance 90

SQL Shack

DECEMBER 10, 2020

In this 38th article for SQL Server Always On Availability Groups, we will explore Windows PowerShell scripts to configure it. Always On Availability Groups PowerShell

Availability 77

Availability Database Servers Development 77

Dynatrace

MARCH 31, 2021

Thanks to centralized configuration, near real-time availability of all services, and potential cost optimization, metric streaming is now the future of performance data distribution. Dynatrace news.

Metrics 160

Metrics AWS Availability Lambda 160

SQL Shack

SEPTEMBER 8, 2020

In this 20th article for the SQL Server Always On Availability Group series, we will cover the steps to restore an existing availability group database. Always On Availability Groups Backup and restore

Availability 52

Availability Database Development Testing 52

SQL Shack

JUNE 18, 2019

Introduction In SQL Server Always On Availability Groups, we can add a database into an existing availability group using different methods. Full Database and Log backup: It starts data synchronization by taking full and log backup for the availability group database. AlwaysOn Availability Groups High AvailabilityWe get the following option in the Initial Data Synchronization wizard in SSMS.

Availability 57

Availability Database Servers 57

SQL Shack

SEPTEMBER 23, 2020

In this 26th article for SQL Server Always On Availability Groups series, we will discuss the process to suspend and resume data movements between AG replicas. Always On Availability Groups

Availability 79

Availability Network Processing Servers 79

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. Always On Availability Groups

Availability 79

Availability Servers Processing 79

High Scalability

JANUARY 8, 2019

In Part I, we introduced a High Availability (HA) framework for MySQL hosting and discussed various components and their functionality. Now in Part II, we will discuss the details of MySQL semisynchronous replication and the related configuration settings that help us ensure redundancy and consistency of the data in our HA setup.

Availability 172

Availability Storage Engineering 172

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.

Availability 78

Availability Database Servers 78

SQL Shack

NOVEMBER 10, 2020

In this 35th article in SQL Server Always On Availability Groups, we will implement a custom policy for monitoring AG groups. Always On Availability Groups

Availability 71

Availability Monitoring Servers 71

SQL Shack

JUNE 18, 2019

In my previous article, Data synchronization in SQL Server Always On Availability Groups, we explored the internal data synchronization for both Asynchronous and Synchronous data commit mode. AlwaysOn Availability Groups High AvailabilityIn the following image, on the secondary replica, we can see two important processes. Log Receive: It receives the log records sent by the primary replica and writes […].

Availability 69

Availability Servers Processing 69

Dynatrace

JULY 31, 2020

We’re happy to announce the General Availability of cross-environment dashboarding capabilities (having released this functionality in an Early Adopter release with Dynatrace version 1.172 back in June 2019). Keep the token secret available for the second and final configuration step.

Availability 159

Availability Monitoring Best Practices AWS 159

SQL Shack

SEPTEMBER 22, 2020

This is the 25th article in SQL Server Always On Availability Groups series. In this article, we will explore the high availability configuration for reporting services databases. Always On Availability Groups Reporting Services (SSRS

Availability 73

Availability Mobile Database Servers 73

SQL Shack

SEPTEMBER 11, 2020

In this 21st article on SQL Server Always On Availability Group series, we will explore the AG dashboard and its various options for monitoring purposes. As you configure SQL Server Always On Availability Group for the […].

Availability 74

Availability Database Monitoring Servers 74