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James Serra's Blog

James is currently a Senior Business Intelligence Architect/Developer and has over 20 years of IT experience. James started his career as a software developer, then became a DBA 12 years ago, and for the last five years he has been working extensively with Business Intelligence using the SQL Server BI stack (SSAS, SSRS, and SSIS). James has been at times a permanent employee, consultant, contractor, and owner of his own business. All these experiences along with continuous learning has helped James to develop many successful data warehouse and BI projects. James has earned the MCITP Business Developer 2008, MCITP Database Administrator 2008, and MCITP Database Developer 2008, and has a Bachelor of Science degree in Computer Engineering. His blog is at .

SQL Server 2014: Partition Improvements

SQL Server 2014 has enhancements to two common database maintenance operations:Partition Switching and Online Index Rebuild.  This will greatly increase enterprise application availability by reducing maintenance downtime impact.

The two new features are:

  • Managed Lock Priority: This allows you to manage the priority of table locks acquired by partition SWITCH and Online Index Rebuild (OIR), thereby allowing you to mitigate any negative performance impact of these locks on the primary workload on the server.
  • Single Partition Online Index Rebuild - This features allows you to rebuild indexes online for individual partitions, thereby increasing application uptime.  This is great for large partition tables.

More Info:

Exploring Partition-Level Online Index Operations in SQL Server 2014 CTP1

Improved Application Availability During Online Operations in SQL Server 2014

Exploring Low Priority Lock Wait Options in SQL Server 2014 CTP1

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