Lokasi ngalangkungan proxy:   [ UP ]  
[Ngawartoskeun bug]   [Panyetelan cookie]                
Skip to content

Commit 96642ec

Browse files
authored
Merge pull request #4790 from MicrosoftDocs/FromPublicRepo
Confirm merge from FromPublicRepo to master to sync with https://github.com/MicrosoftDocs/sql-docs (branch live)
2 parents 13d210f + a952f9b commit 96642ec

20 files changed

Lines changed: 22 additions & 20 deletions

docs/database-engine/configure-windows/configure-the-cost-threshold-for-parallelism-server-configuration-option.md

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -68,9 +68,11 @@ FROM sys.dm_os_sys_info
6868

6969
### <a name="Recommendations"></a> Recommendations
7070

71-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
71+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
7272

7373
- In certain cases, a parallel plan may be chosen even though the query's cost plan is less than the current **cost threshold for parallelism** value. This can happen because the decision to use a parallel or serial plan is based on a cost estimate provided before the full optimization is complete.
74+
75+
- While the default value of 5 is retained for backwards compatibility, it is likely that a higher value is appropriate for current systems. Many SQL Server professionals suggest a value of 25 or 50 as a starting point, and to perform application testing with higher and lower values to optimize application performance.
7476

7577
### <a name="Security"></a> Security
7678

docs/database-engine/configure-windows/configure-the-cursor-threshold-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -54,7 +54,7 @@ ms.workload: "Inactive"
5454

5555
### <a name="Recommendations"></a> Recommendations
5656

57-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
57+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5858

5959
- If you set **cursor threshold** to -1, all keysets are generated synchronously, which benefits small cursor sets. If you set **cursor threshold** to 0, all cursor keysets are generated asynchronously. With other values, the query optimizer compares the number of expected rows in the cursor set and builds the keyset asynchronously if it exceeds the number set in **cursor threshold**. Do not set **cursor threshold** too low, because small result sets are better built synchronously.
6060

docs/database-engine/configure-windows/configure-the-default-full-text-language-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,7 @@ ms.workload: "Inactive"
5353

5454
### <a name="Recommendations"></a> Recommendations
5555

56-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
56+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5757

5858
- The **default full-text language** option requires an LCID value. For a list of supported LCIDs and their related languages, see [sys.fulltext_languages &#40;Transact-SQL&#41;](../../relational-databases/system-catalog-views/sys-fulltext-languages-transact-sql.md). Other languages may also be available from independent software vendors, for example. If no specific language dialect is found, the Full-Text Engine will automatically switch to the primary language.
5959

docs/database-engine/configure-windows/configure-the-fill-factor-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -46,7 +46,7 @@ ms.workload: "Inactive"
4646

4747
### <a name="Recommendations"></a> Recommendations
4848

49-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
49+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5050

5151
### <a name="Security"></a> Security
5252

docs/database-engine/configure-windows/configure-the-index-create-memory-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -56,7 +56,7 @@ ms.workload: "Inactive"
5656

5757
### <a name="Recommendations"></a> Recommendations
5858

59-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
59+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
6060

6161
- The **index create memory** option is self-configuring and usually works without requiring adjustment. However, if you experience difficulties creating indexes, consider increasing the value of this option from its run value.
6262

docs/database-engine/configure-windows/configure-the-locks-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -49,7 +49,7 @@ ms.workload: "Inactive"
4949

5050
### <a name="Recommendations"></a> Recommendations
5151

52-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
52+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5353

5454
- When the server is started with **locks** set to 0, the lock manager acquires sufficient memory from the [!INCLUDE[ssDE](../../includes/ssde-md.md)] for an initial pool of 2,500 lock structures. As the lock pool is exhausted, additional memory is acquired for the pool.
5555

docs/database-engine/configure-windows/configure-the-max-degree-of-parallelism-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -38,7 +38,7 @@ ms.workload: "Active"
3838

3939
### <a name="Recommendations"></a> Recommendations
4040

41-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
41+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
4242

4343
- To enable the server to determine the maximum degree of parallelism, set this option to 0, the default value. Setting maximum degree of parallelism to 0 allows [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] to use all the available processors up to 64 processors. To suppress parallel plan generation, set **max degree of parallelism** to 1. Set the value to a number from 1 to 32,767 to specify the maximum number of processor cores that can be used by a single query execution. If a value greater than the number of available processors is specified, the actual number of available processors is used. If the computer has only one processor, the **max degree of parallelism** value is ignored.
4444

docs/database-engine/configure-windows/configure-the-max-worker-threads-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -53,7 +53,7 @@ ms.workload: "On Demand"
5353

5454
### <a name="Recommendations"></a> Recommendations
5555

56-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician. If you suspect that there is a performance problem, it is probably not the availability of worker threads. The cause is more likely something like I/O that is causing the worker threads to wait. It is best to find the root cause of a performance issue before you change the max worker threads setting.
56+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional. If you suspect that there is a performance problem, it is probably not the availability of worker threads. The cause is more likely something like I/O that is causing the worker threads to wait. It is best to find the root cause of a performance issue before you change the max worker threads setting.
5757

5858
- Thread pooling helps optimize performance when large numbers of clients are connected to the server. Usually, a separate operating system thread is created for each query request. However, with hundreds of connections to the server, using one thread per query request can consume large amounts of system resources. The **max worker threads** option enables [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] to create a pool of worker threads to service a larger number of query requests, which improves performance.
5959

docs/database-engine/configure-windows/configure-the-media-retention-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -54,7 +54,7 @@ ms.workload: "Inactive"
5454

5555
### <a name="Recommendations"></a> Recommendations
5656

57-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
57+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5858

5959
- The **media retention** option can be overridden by using the RETAINDAYS clause of the [BACKUP](../../t-sql/statements/backup-transact-sql.md) statement.
6060

docs/database-engine/configure-windows/configure-the-min-memory-per-query-server-configuration-option.md

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -55,7 +55,7 @@ ms.workload: "Inactive"
5555

5656
### <a name="Recommendations"></a> Recommendations
5757

58-
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] technician.
58+
- This option is an advanced option and should be changed only by an experienced database administrator or certified [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] professional.
5959

6060
- The [!INCLUDE[ssNoVersion](../../includes/ssnoversion-md.md)] query processor tries to determine the optimal amount of memory to allocate to a query. The min memory per query option lets the administrator specify the minimum amount of memory any single query receives. Queries generally receive more memory than this if they have hash and sort operations on a large volume of data. Increasing the value of min memory per query may improve performance for some small to medium-sized queries, but doing so could lead to increased competition for memory resources. The min memory per query option includes memory allocated for sort operations.
6161

0 commit comments

Comments
 (0)