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How to capture deadlocks using system_health Extended Events
WEBThis is the code used to create a permanent table to store the deadlock details , for review by the application team. Extracting details from Extended Events can be challenging but there there is an Extended Events function - sys.fn_xe_file_target_read_file , which will parse the xel file. The xel file is a reference to the file name extension
Actived: 3 days ago
How to read and parse the Microsoft SQL Server extended event …
WEBYou may want to go one step further - and parse the xml file , to create an output in tabular format. Option 1 - Read the Extended Event Log File output file and return as xml format. SQL Server provide a function - sys.fn_xe_file_target_read_file . This function reads the files created by the Extended Events asynchronous file target.
How to Erase Phantom System Health Records – reason 193
WEBStep 3 - Erase Phantom System Health Records is failing with reason 193. I have a daily Powershell script - List failed SQL server Jobs with Powershell which reports the failure. How can I fix? Answer: Look at the command in the Job Step. It will be something like: It’s attempting a mapping to the SQL Server Instance Path. Which is …
How to use the SQL Assessment API through Powershell
WEBThis raises fantastic opportunities for automation and inclusion into regular sql server health checks or certification process. One of the major benefits when working with Powershell is the power to iterate through multiple environments very quickly . The SQL Assessment API is available for server level and database level checks.
How to turn AUTO_SHRINK off
WEBI run a daily health check across SQL Servers . One of the checks made is whether the SQL Server configurable AUTO_SHRINK is turned ON. Unless there is a clear reason why AUTO_SHRINK needs to be turned ON then keeping AUTO_SHRINK OFF can assist in keeping contention lower. As part of a SQL Server set up I use a SQL Server …
SQL Server profiler Scan Event
WEBWhen doing some general database health checks – I’ll issue a trace with some designated conditions- depending on the application. For example , it may be looking at Duration of queries on a specific database. This will give me some hints at what to analyse. Once identifying the relevant queries - I investigate Execution Plans , statistics, …
Database server : Monitoring versus reporting
WEBMaintaining SQL Server environments is supported by a dependable monitoring system and regular reporting of health indicators. Monitoring and reporting , although both supplying information, serve different purposes. Monitoring focuses on immediate situations : SQL Server monitoring situations - SQL Server DBA Reporting …
Free disk space on drives using Powershell
WEBFree disk space on drives using Powershell. 01 May,2010 by Tom Collins. This script using Powershell , takes a list of SQL Servers , iterates through. the list and returns the results from the procedure : master.dbo.xp_fixeddrives. Run this script as a standalone script or as part of a more comprehensive health monitoring snapshot.
Number of deadlocks since last SQL Server restart
WEBAnswer: There is a Windows Performance Monitor , Object = “SQLServer:Locks” and Counter=” Number of Deadlocks/sec”. This counter presents the number of lock requests escalating as deadlocks. Based on your question I assume , you’ll use this figure as part of Health Report to trigger some deeper analysis. Just remember …
How to understand the RING_BUFFER_SCHEDULE_MONITOR
WEBThe RING_BUFFER_SCHEDULE_MONITOR has been around since SQL Server 2005. It remains a great way of obtaining system CPU utilization information. This post defines and offers some usages for System Idle, User Mode Time, Kernel Mode Time and page faults returned by the RING_BUFFER_SCHEDULE_MONITOR Most sample …
New Database request checklist
WEBThere’s a plan in place to scale for growth , a maintenance plan and an agreement to commit a health check once a month. Everything is looking good. Then the owner requests if they add a new database , for a new third party application. As it’s there server – and are paying for it – they want to make it as cost effective as possible.
SQL Database Size report using Powershell
WEBAs long as the instances list is up to date , executing this script will iterate through every SQL Server Instance – execute the t-sql code , and create a html file with the naming convention - for example : sql_server_health_db_sizes_2013-04-02T153128.html You may need to customise the locations :
Powershell script to report SQL Database Status
WEBQuestion: I need a SQL script to check database status on all SQL Server instances. The script will be used as part of a reboot cycle. There are different reasons for a reboot cycle, such as patching, DR testing or service management. We have an alerting system in place. The alerting system is based on an exception based reporting method. …
How to force failover on Clusterless Availability Groups with …
WEBClusterless Availability Groups are not true HA as there is no underlying cluster - and generally is intended as read only. I've also seen this set up being used in migration scenarios. Although not HA - it is still possible to commit a manual failover from a PRIMARY to SECONDARY. For example in a DR scenario Prior to commiting a failover …
Powershell Script Library for DBA
WEBPowershell Script Library for DBA. 25 July,2012 by Tom Collins. These are powerful Windows Powershell scripts available for DBAs to help you build a strong foundation in Powershell and managing Database Servers. I use Powershell programming language in managing SQL Server and other DBMS systems. I’ll keep adding more …
List failed SQL server Jobs with Powershell
WEBThis post explains how to list failed SQL Server Jobs , on multiple SQL Server Instances and output the results to a HTML file. Excecute the Powershell script as part of daily reporting It is only one extra step to send this file as an attachment.
Quick access to SQL Server Always On Availability cheatsheet
WEBThese are queries to manage SQL Server AlwaysOn Availability Groups Using sys.fn_hadr_is_primary_replica to identify if the database is primary replica SELECT sys.fn_hadr_is_primary_replica ('my_ag_db'); Display All availability groups visible to this server when the Server is the Primary replica SELECT Groups.[Name] AS AGname …
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