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A comprehensive guide to SQL Server Always On Availability

SQL Server Always On Availability Groups offers high availability and disaster recovery solution for mission-critical databases. It … See more

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URL: https://www.sqlshack.com/a-comprehensive-guide-to-sql-server-always-on-availability-groups-on-windows-server-2016/

How to collect performance and system information in SQL Server

WebSELECT name, type, type_desc. FROM sys.system_objects so. WHERE so.name LIKE 'dm_%'. ORDER BY so.name; This will return all DMVs & DMFs in SQL …

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Lease Timeouts and Health Checks in SQL Server Always On

WebThe resource DLL uses the timeout properties for this purpose. By default, the timeout is 30,000 milliseconds, i.e. 30 seconds. You can set the value for a timeout from …

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What are SQL Server deadlocks and how to monitor them

WebI would recommend using this option over option #3 because it takes a lot less time to get simple information using the previous query. As an example, on my test …

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Database-level health detection in SQL Server Always On

WebIn the Always On Availability Group, right-click on the availability group and open its properties. In the AG property, you get an option as Database-level health …

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Monitor SQL Server Always On Availability groups using

WebWe can extract data from the AlwaysOn_health extended event using GUI and T-SQL script. You can expand the AlwaysOn_health in SSMS, right-click on the …

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An overview of SQL Server monitoring tools

WebFoglight for SQL Server quickly diagnoses and resolves performance problems and optimizes your workload to prevent future performance issues. This SQL …

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How to identify and resolve SQL Server Index Fragmentation

WebNow, let’s perform the REORGANIZE command on the index using the below T-SQL statement and look at the page allocation again. 1. ALTER INDEX …

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T-SQL scripts to generate database health reports

WebClick OK to save the SQL Job and close the dialog box. To test the SQL job, you can run the following T-SQL command. 1. exec msdb..sp_start_job [Database …

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SQL Server Transaction Log Growth Monitoring and Management

WebThe log_reuse_wait_desc column value that indicates a healthy state for the database Transaction Log file is NOTHING, which means that the SQL Transaction Log …

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Monitor and failover a Distributed SQL Server Always On

WebIn this query, specify the distributed AG name, and you get the performance counters’ values. 1. SELECT * FROM sys.dm_os_performance_counters WHERE …

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Suspend and Resume Data Movement in SQL Server Always On

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

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Synchronize logins between Availability replicas in SQL

WebIn this 40 th article on SQL Server Always On Availability Group series, we will discuss logins synchronization between replicas.. Introduction. SQL Server Always …

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How to resolve deadlocks in SQL Server

WebRecap the solution steps: Check the system_health session for deadlocks. Create an extended event session to capture the deadlocks. Analyze the deadlock …

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Measuring Availability Group synchronization lag

WebMeasuring Availability Group synchronization lag. August 9, 2016 by Derik Hammer. With all of the high-availability (HA) and disaster recovery (DR) features, the …

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Monitoring SQL Server deadlocks using the system_health …

WebWe will use the ring buffer as well to view the deadlock information. It holds data in memory. Double click on package0_event_file to open the extended event file. In …

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Monitoring SQL Server blocking problems

WebIn this case, the User-Beta has to wait 40 seconds to release the resources by the User-Alfa because exclusive and shared lock types conflict. 1. 2. SELECT *. …

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How to manage SQL Server logs effectively

WebAbout Rajendra Gupta. Hi! I am Rajendra Gupta, Database Specialist and Architect, helping organizations implement Microsoft SQL Server, Azure, Couchbase, …

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How to monitor the SQL Server tempdb database

WebTo monitor the SQL Server tempdb database statistics, you can execute the following query. The first part of the query reveals the currently allocated size of data file, …

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Gathering SQL Server indexes statistics and usage information

WebThe classical way of gathering such information about the indexes is expanding the Indexes node under the database tables, then right-clicking on each …

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