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Articles with tag Transaction Logs Rss

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Managing the SQL Server Transaction Log: Dealing with Explosive Log Growth

You've just become responsible for a database, only to find that the log file is growing out of control. Why is it happening and what do you do to correct it?  Read more...
By Additional Articles 2013/04/30 | Source: SimpleTalk | Category: transaction logs
Rating: (not yet rated)  Rate this |   Briefcase | 4,775 reads

Stairway to Transaction Log Management in SQL Server, Level 9: Monitoring the Transaction Log

Our major goal in terms of log maintenance for all databases under our care is to optimize for write performance, in order to support all activities that require SQL Server to write to the log, including data modifications, data loads, index rebuilds, and so on. However, it's also important to keep an eye on possible log fragmentation, which, as described previously, can affect the performance of processes that need to read the log, such as log backups and the crash recovery process.  Read more...
By Tony Davis 2013/04/24 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,030 reads

Stairway to Transaction Log Management in SQL Server Level, 8: Optimizing Log Throughput

This level takes a deeper look at how log fragmentation can affect the performance of operations that need to read the log, such as log backups, or the crash recovery process.  Read more...
By Gail Shaw, Tony Davis 2013/04/17 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 5,524 reads

SQL Server Transaction Log Fragmentation: a Primer

Generally, you will have no need to worry about the number of virtual log files in your transaction log. However, if you use the default settings for 'auto-grow', you can end up with such 'fragmentation' in your transaction log as to affect performance noticably. How can this be avoided? How can you tell it's a problem? What do you do about it? Greg explains.  Read more...
By Additional Articles 2012/11/23 (first published: 2012/05/01) | Source: SimpleTalk | Category: t-log
Rating: (not yet rated)  Rate this |   Briefcase | 6,648 reads

SQL Server Transaction Log Management by Tony Davis and Gail Shaw

When a SQL Server database is operating smoothly and performing well, there is no need to be particularly aware of the transaction log, beyond ensuring that every database has an appropriate backup regime and restore plan in place. When things go wrong, however, a DBA's reputation depends on a deeper understanding of the transaction log, both what it does, and how it works. An effective response to a crisis requires rapid decisions based on understanding its role in ensuring data integrity.  Read more...
By Gail Shaw, Tony Davis 2012/11/12 | Source: SQLServerCentral.com | Category: books
Rating: |  Discuss |   Briefcase | 3,428 reads

Reading SQL Server's Transaction Log

This article shows how you can read the [RowLog Contents] in the Transaction Log, for Real!  Read more...
By Kraig Kerr 2012/11/09 (first published: 2010/11/22) | Source: SQLServerCentral.com | Category: transaction logs
Rating: |  Discuss |   Briefcase | 27,311 reads

Stairway to Transaction Log Management in SQL Server, Level 6: Managing the Log in BULK_LOGGED Recovery Model

A DBA may consider switching a database to the BULK_LOGGED recovery model in the short term during, for example, bulk load operations. When a database is operating in the BULK_LOGGED model these, and a few other operations such as index rebuilds, can be minimally logged and will therefore use much less space in the log  Read more...
By Gail Shaw, Tony Davis 2012/11/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 4,388 reads

Why is my transaction log full?

Why does the transaction log fill up? There are a variety of reasons, and MVP Gail Shaw walks you through the various things to check.  Read more...
By Gail Shaw 2012/08/31 (first published: 2011/02/21) | Source: SQLServerCentral.com | Category: transaction logs
Rating: |  Discuss |   Briefcase | 45,584 reads

Pushing SQL Alerts to Remote Server using PowerShell 2 and T-SQL

Managing log files in a large enterprise environment can be an overwhelming task. In this article I will show you how to automate some of the work using SQL Alerts and Powershell 2.0  Read more...
By Simon Richards 2012/08/06 | Source: SQLServerCentral.com | Category: sql alerts
Rating: |  Discuss |   Briefcase | 2,313 reads

SQL Server Transaction Log Fragmentation: a Primer

Generally, you will have no need to worry about the number of virtual log files in your transaction log. However, if you use the default settings for 'auto-grow', you can end up with such 'fragmentation' in your transaction log as to affect performance noticably. How can this be avoided? How can you tell it's a problem? What do you do about it? Greg explains.  Read more...
By Additional Articles 2012/11/23 (first published: 2012/05/01) | Source: SimpleTalk | Category: t-log
Rating: (not yet rated)  Rate this |   Briefcase | 6,648 reads

Stairway to Transaction Log Management in SQL Server, Level 5: Managing the Log in Full Recovery Mode

In FULL recovery mode it is possible to do a point-in-time restore of a database. It is thankfully a rare event. Tony explains what's involved  Read more...
By Tony Davis 2012/01/27 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,683 reads

Managing Transaction Logs

A great article that should answer all your questions about the transaction log from MVP Gail Shaw. A must read for all DBAs.  Read more...
By Gail Shaw 2012/01/03 (first published: 2008/10/31) | Source: SQLServerCentral.com | Category: administration
Rating: |  Discuss |   Briefcase | 56,704 reads

Stairway to Transaction Log Management in SQL Server, Level 4: Managing the Log in Simple Recovery Mode

Tony describes in more detail the SIMPLE recovery model, and the way it works, its advantages and disadvantages.  Read more...
By Tony Davis 2011/11/18 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 6,613 reads

Using PowerShell for SQL Server Transaction Log Backups

How can I use PowerShell to do a Transaction Log backup for SQL Server databases? In this tip we look at an alternative way of creating transaction log backups using a PowerShell script.  Read more...
By Additional Articles 2011/10/25 | Source: MSSQLCity.com | Category: powershell
Rating: (not yet rated)  Rate this |   Briefcase | 2,419 reads

Stairway to Transaction Log Management in SQL Server, Level 3: Transaction Logs, Backup and Recovery

This article discusses the different types of backup and recovery models and gives the essential facts that will guide you to being able to achieve a recovery of a database to a point in time.  Read more...
By Tony Davis 2011/09/07 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 8,205 reads

Stairway to Transaction Log Management in SQL Server, Level 2: A Brief Overview of Transaction Log Architecture

In order to make it easier to understand truncation, space reuse and fragmentation in the log file, Tony gives a brief explanation of how the transaction log works.  Read more...
By Tony Davis 2011/08/17 | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 12,220 reads

Stairway to Transaction Log Management in SQL Server, Level 1: Transaction Log Overview

The transaction log is used by SQL Server to maintain data consistency and integrity. If the database is not in Simple-recovery mode, it can also be used in an appropriate backup regime to restore the database to a point in time.  Read more...
By Tony Davis 2013/10/30 (first published: 2011/06/17) | Source: SQLServerCentral.com | Category: stairway series
Rating: |  Discuss |   Briefcase | 21,018 reads

Avoiding Logging

It seems that some people think that you can perform actions in SQL Server without logging them in the transaction log. Steve Jones talks about this myth and says it's not even an option he'd like to have.  Read more...
By Steve Jones 2011/03/08 | Source: SQLServerCentral.com | Category: editorial
Rating: (not yet rated) |  Discuss |   Briefcase | 611 reads

Why is my transaction log full?

Why does the transaction log fill up? There are a variety of reasons, and MVP Gail Shaw walks you through the various things to check.  Read more...
By Gail Shaw 2012/08/31 (first published: 2011/02/21) | Source: SQLServerCentral.com | Category: transaction logs
Rating: |  Discuss |   Briefcase | 45,584 reads

DBA 101: Why is my log file full?

This question comes up constantly in different venues. I see it sometimes 2-3 times a day on SQL Server Central....  Read more...
By Grant Fritchey 2011/01/27 | Source: SQLServerCentral.com | Category: blogs
Rating: (not yet rated)  Rate this |   Briefcase | 3,158 reads
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