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sys.dm_fts_memory_pools (Transact-SQL)

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Returns information about the shared memory pools available to the Full-Text Gatherer component for a full-text crawl or a full-text crawl range.

Applies to: SQL Server (SQL Server 2008 through current version).

Column name

Data type

Description

pool_id

int

ID of the allocated memory pool.

0 = Small buffers

1 = Large buffers

buffer_size

int

Size of each allocated buffer in the memory pool.

min_buffer_limit

int

Minimum number of buffers allowed in the memory pool.

max_buffer_limit

int

Maximum number of buffers allowed in the memory pool.

buffer_count

int

Current number of shared memory buffers in the memory pool.

Requires VIEW SERVER STATE permission on the server.

From

To

Relationship

dm_fts_memory_buffers.pool_id

dm_fts_memory_pools.pool_id

Many-to-one

The following example returns the total shared memory owned by the Microsoft Full-Text Gatherer component of the SQL Server process:

SELECT SUM(buffer_size * buffer_count) AS "total memory" 
    FROM sys.dm_fts_memory_pools;
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