sql server 2014 slow performance

Tags: Microsoft CTI object Complex problem: Lis use parameter BinThis article belongs to theUnderstand the mysteries of performance-slow in applications, fast in SSMS"seriesNext: Understanding the Mysteries of performance-application slow, SSMs fast (5)--case: How to deal with parameter sniffing We put aside the argume

effects, there are restrictions ...deferred transactions (Delayed transactions)No matter how good your workload is, the last hurdle and bottleneck is the transaction log every time. Because SQL Server uses the pre-write log mechanism (Write-ahead Logging mechanism), the transaction must always be physically written to the transaction log before the transaction commits. But your transaction log is on

Introduction to the outsetJanuary 1, 2015, the beginning of the new year, should have done some meaningful things to cross the years. As a result, the old habit-to go to bed before going to toss a computer, say dry, to new to the DELL computer installed virtual machine, download SQL Server 2014, install SQL

SQL server 2014 installation illustration tutorial (including SQL SERVER 2014 download), 2014sql In January 1, 2015, at the beginning of the new year, we should have done something meaningful for the next year. As a result, old ha

Introduction to the outsetJanuary 1, 2015, the beginning of the new year, should have done some meaningful things to cross the years. As a result, the old habit-to go to bed before going to toss a computer, say dry, to new to the DELL computer installed virtual machine, download SQL Server 2014, install SQL

January 1, 2015, the beginning of the new year, should have done a good job to do something meaningful to span a year. As a result, old habits-before going to bed must toss the computer, say dry, to the new DELL computer installed virtual machine, download SQL Server 2014, install SQL

Tags: blog http ar sp on 2014 log bs adIn addition, add the following Registry on your Windows Server:On both Windows Server 2008 R2 and Windows Server 2012 create EnableWPFHook:[HKEY_LOCAL_MACHINE \ SOFTWARE \ Citrix \ CtxHook \ AppInit_Dlls \ Multiple Monitor Hook] "EnableWPFHook" = dword: 00000001[HKEY_LOCAL_MACHINE \ SOFTWARE \ Wow6432Node \ Citrix

simple example of how and how SQL Server calculates data estimates through statistics, and the differences between SQL Server 2012 and SQL Server2014.Statistics is central to the choice of SQL execution plan, not only in

Uncover new features of SQL Server 2014 (2)-SSD Buffer Pool (buffer Pool) expansion, 2014 Buffer Introduction Another good feature in SQL Server 2014 is that SSD can be virtualized into

Label:This article summarizes the various pits in SQL Server 2012/2014 that are linked to SQL Server 2000, all of which are problems encountered in practical applications. Someone might say why SQL

Tags: SQL Server 2014 log shipping13.2.4 Deploying log shipping with Management StudioUse SQL Server Management Studio to deploy the log shipping steps as follows:(1) Open the Properties page for the primary database DB01 as log shipping in the primary

analysis progress. The final analysis result is displayed in the dialog box, which lists all the alarms or error statuses that may affect the upgrade. For more information about Upgrade Advisor, refer to official Microsoft documents. The SQL Server upgrade process is similar to the SQL Server

Advisor two times. 8. Check and confirm settings. 9. Click Run to start the profiling process. 10. At this time UpgradeAdvisor will run, and there is a progress dialog window showing the progress of the analysis. The final dialog window displays the final analysis, which lists all the warnings or error states that may affect the upgrade. For more information on Upgrade Advisor, please refer to Microsoft's official information. The SQL

interview with TechTarget, it can effectively solve the system blocking problem." Cherry introduced that while enjoying the memory function provided by SQL Server 2014, some applications may need to modify the code, however, its biggest advantage is that the memory function is perfectly integrated into the database engine of

high requirements on space utilization and not particularly high security requirements for large file storage. On the contrary, systems with high security requirements, regardless of the cost, use RAID 10 to write small data volumes frequently. Based on experience and analysis: raid10 is recommended for small I/O database operations, such as ERP applications. Large file storage and data warehouses, such as Medical PACS and video editing systems, from the perspective of space utilization, RAID

physical slot, and multi-core processors allow multiple instances of sqlserver2014 to run as named instances or virtual machines within the same physical server. Advantages include the ability to save space and power consumption. SQL Server 2012 uses core-based licensing and continues to 2014.② MemoryMemory is an impo

again. During this operation, your performance will degrade because you have just deactivated an important cache layer for SQL Server! When you plan to deploy cache pool extensions for your production environment, you must be aware of this!!! In addition you can not reduce the size of the extension file, the file must be larger than the previous. Otherwise you

New Features of SQL Server 2014 (4)-native backup encryption, sql2014 After SQL Server 2014 CTP2, a feature for backup was published, that is, native backup encryption. Considering the previous database leaks that have had a bad i

encrypt the backup file during the backup process. Currently, the supported encryption algorithms include AES 128, AES 192, AES 256, and Triple DES. Certificates or asymmetric keys must be used for encryption during Backup.5. New designs for base EstimationThe base estimation logic, called the base estimator, has been redesigned in SQL Server 2014 to improve the

OverviewSQL Server 2014 is known as a revolutionary version of Microsoft's database, and its performance has been boosted to the greatest extent ever.The updatable Columnstore index, as one of the key features of SQL Server 2014,