DBCC PROCCACHE (Transact-SQL)
Displays information in a table format about the procedure cache.
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Transact-SQL Syntax Conventions
Syntax
DBCC PROCCACHE [ WITH NO_INFOMSGS ]
Arguments
- WITH
Allows for options to be specified.
- NO_INFOMSGS
Suppresses all informational messages that have severity levels 0 through 10.
Result Sets
The following table describes the columns of the result set.
| Column name | Description |
|---|---|
num proc buffs |
Total number of pages used by all entries in the procedure cache. |
num proc buffs used |
Total number of pages used by all entries that are currently being used. |
num proc buffs active |
For backward compatibility only. Total number of pages used by all entries that are currently being used. |
proc cache size |
Total number of entries in the procedure cache. |
proc cache used |
Total number of entries that are currently being used. |
proc cache active |
For backward compatibility only. Total number of entries that are currently being used. |
Remarks
The procedure cache is used to cache the compiled and executable plans to speed up the execution of batches. The entries in a procedure cache are at a batch level. The procedure cache includes the following entries:
- Compiled plans
- Execution plans
- Algebrizer tree
- Extended procedures
The SQL Server Performance Monitor uses DBCC PROCCACHE to obtain information about the procedure cache.
Permissions
Requires membership in the sysadmin fixed server role or the db_owner fixed database role.