KB2896720 - FIX: Slow performance in SQL Server 2012 or SQL Server 2014 when you build an index on a spatial data type of a large table

Symptoms

When you try to build an index (by using CREATE INDEX or ALTER INDEX) on a spatial data type of a large table, Microsoft SQL Server 2012 or SQL Server 2014 may perform poorly. You can find many spinlock contentions on SOS_CACHESTORE and SOS_SELIST_SIZED_SLOCK.

Note This issue typically occurs when there are many parallel spatial data operations.

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More Information

For more information about the similar performance issue, click the following article numbers to view the articles in the Microsoft Knowledge Base:

2887888 FIX: Slow performance in SQL Server when you build an index on a spatial data type of a large table in a SQL Server 2012 instance

2887899 FIX: Slow performance in SQL Server 2012 when you build an index on a spatial data type of a large table

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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