tempdb best practices

Label:Original: Seventh--dmvs and DMFs (3)--monitoring tempdb with a DMV and DMFObjective:We all know that TempDB is the system database for SQL Server and that the daily operation of SQL Server relies heavily on this library. Therefore, it is particularly important to monitor performance issues with TempDB . Over a long period of time, many people have overlooke

Concurrency blocking for 9.3 tempdbBefore describing the concurrency problem with tempdb, let's introduce a few more special data pages.PFS (page free space), which identifies the usage of the data page space, is identified in bytes and can represent data page usage percentages, such as using percent 50, percent 80, percent 95, and fully used, as well as a byte bit representing the type of data page, such as an IAM page. A PFS page that identifies 64M

You are here: Home> database maintenance>Comprehensive tempdb blog post SeriesComprehensive tempdb blog post seriesby: Paul randalposted on: January 16,200 9 AM Over the last few weeks Sunil Agarwal (from the SQL storage engine Team) has posted a great series of blog articles about tempdb and the version store, over on my old stomping ground-the storage engine bl

Label:storetype_idcurrentblog returnposocasage /*--0. High-speed compression tempdb is the initial value of the use tempdb DBCC shrinkfile (2,truncateonly); */--1. Tempdb is not reclaimed under the temporary table, some version numbers may not be able to find data use tempdb; SELECT * FROM sys.objects o where o.type

A few weeks ago, the latest CTP version of SQL Server 2016 had been released: CTP 2.4 (CTP 3.0 is now). This preview version contains a number of different improvements than the previous CTP. In this article I'll talk about a significant increase in SQL Server 2016,tempdb. tempdb customization During the SQL Server 2016 installation, the first change you will encounter is during the installation process a

The author once interviewed the DBA, "Why is tempdb faster than any other database?" So that more than 95% of the candidates have a blank face. As an important feature of SQL Server, tempdb has all along been familiar and unfamiliar to it. Familiarity is what we use all the time, strangers may be very few people pay attention to its operating mechanism. I'll introduce you to the logging mechanism of

Tags: des style blog http color using OS IODuring the recent tuning process for customers, it was found that there was a lot of pressure on the customer's tempdb, which was found to be caused by the sheer use of certain statements for tempdb. In SQL Server, tempdb is primarily responsible for the following three types of situations: Internal use (sort,

Recently, when I was working on a database, I found that the disk space is often insufficient due to the large size of tempdb. To solve this problem, we use a solution to move tempdb to a new location. The procedure is as follows;1. Check the logical name and location of tempdb. You can use the following statement:SELECT name, physical_name FROM sys. master_files

From: http://www.cnblogs.com/steven-zhou-2005/archive/2006/08/09/472042.html Recently, when I was working on a database, I found that the disk space is often insufficient due to the large size of tempdb. To solve this problem, we use a solution to move tempdb to a new location. the procedure is as follows;1. Check the logical name and location of tempdb. You

Procedure;1. Check the logical name and location of tempdb. You can use the following statement:Select name, physical_name From SYS. master_files Where database_id = db_id ('tempdb '); 2. Suspend the database service.3. Copy the original tempdb file to the new location (the original file location can be obtained through the above query ).3. Start the database

When my SQL 2014 virtual machine was migrated, the LUNs holding tempdb were deleted. After the operating system of the virtual machine is started, SQL Server instance does not start up. Check event Log for error. So, I found this article. The goal is to force SQL Server to start and allow the commands to receive sqlcmd to modify some options. Once SQL can accept the command, we can reassign the path to tempdb