High Availability (HA)

External Article

How to Measure Replication Latency in SQL Server AlwaysOn Synchronous Availability Groups

  • Article

Synchronous replicas in SQL Server Availability Groups promise no data loss, but they don’t promise zero delay; under heavy load they can still fall behind. This article shows how to measure and track that hidden replication delay using SQL Server performance counters, so you can see how well your system keeps up during IO‑intensive operations and plan maintenance more safely.

2025-09-17

External Article

PostgreSQL High Availability Options

  • Article

We are deploying a new application that uses PostgreSQL database. My manager has asked me to design high availability into the implementation. As a SQL Server database administrator, I’ve been managing PostgreSQL databases for a while. However, I’m not sure which high availability options to implement. What are the different high availability options for PostgreSQL?

2025-08-27

Contained Availability Groups in SQL Server 2022

  • Article

SQL Server 2022 introduced a new feature called Contained Availability Groups. It allows the Database Administrators to effectively manage the Server Level objects, such as Logins, SQL Agent jobs, etc. in an HA environment. In today's article, we will learn about this new feature of SQL Server. The Challenge of Managing Server Objects in Availability […]

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2025-08-20

7,673 reads

SQLServerCentral Article

Basic Always On Availability Groups in SQL Server Standard

  • Article

Once Windows Server Failover Clusters have been set up, we can set up Availability Groups in SQL Server. This article will focus on setting up Basic Always-On Availability Groups in SQL Server Standard Edition.
This facilitates High Availability in SQL Server Standard, with three levels of availability and failover:
Asynchronous commit with manual or forced failover,
Synchronous commit with manual or forced failover,
Synchronous commit with automatic failover.

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2024-06-05

11,049 reads

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Question of the Day

Changing the Recovery Time

I want to change the recovery time for a database running on SQL Server 2022. What are my options for setting the value in my ALTER DATABASE statement. If I run this code, what can I use in place of the xxx to define what 12 means?

ALTER DATABASE Finance 
 SET TARGET_RECOVERY_TIME = 12 xxx;

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