Milena Petrovic

SQL Server memory performance metrics – Part 2 – available bytes, total server, and target server memory

February 21, 2014 by
In the first part of this series, we started with most important SQL Server performance memory metrics. We described Pages/sec and Page faults/sec, what they indicated, and what the normal values were In this part, we will present three more memory metrics that affect SQL Server performance – Available memory bytes, Total server memory, and Target server memory Read more »
Milena Petrovic

SQL Server performance basics

February 19, 2014 by
Monitoring is recommended in dynamic environments. When it comes to SQL Server – users, DBAs, and the system itself are performing events constantly – changing data and database structure, user privileges, etc. SQL Server can manage automatically all these requests, but its self-tuning doesn’t provide best results, and additional monitoring and manual tuning can provide better performance Read more »
Ivan Stankovic

Top 10 articles on the SQL Server transaction log

February 13, 2014 by

Understanding Logging and Recovery in SQL Server

In “Understanding Logging and Recovery in SQL Server”, Paul S. Randal has given a complete overview of the transaction log. In four sections he explains: what is logging, what is recovery, how the transaction log works, and which recovery models are available. This article can be used as a starting point in understanding fundamentals of the transaction log and the logging process Read more »
Ivan Stankovic

A beginner’s guide to SQL Server transaction logs

February 11, 2014 by

What is a transaction log?

A transaction log is a file – integral part of every SQL Server database. It contains log records produced during the logging process in a SQL Server database. The transaction log is the most important component of a SQL Server database when it comes to the disaster recovery – however, it must be uncorrupted. After each database modification – transaction occurrence, a log record is written to the transaction log. All the changes are written sequentially Read more »
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