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This collection provides SQL Server throughput metrics of the modification made, in both size (MB) and number of rows, as a result of carrying out the following queries: select insert, update, and delete.
SQL Server Services.
Real-time
300
Online
900
Offline
3600
Delete (MB)
The cumulative size (in megabytes) of I/O Delete operations performed on indexed and heaped tables in the selected SQL Server instance.
Insert (MB)
The cumulative size (in megabytes) of I/O Insert operations performed on indexed and heaped tables in the selected SQL Server instance.
Select (MB)
The cumulative size (in megabytes) of I/O Select operations performed on indexed and heaped tables in the selected SQL Server instance.
Update (MB)
The cumulative size (in megabytes) of I/O Update operations performed on indexed and heaped tables in the selected SQL Server instance.
Delete (Rows)
The cumulative size, in rows, of I/O Delete operations performed on indexed and heaped tables in the selected SQL Server instance.
Insert (Rows)
The cumulative size, in rows, of I/O Insert operations performed on indexed and heaped tables in the selected SQL Server instance.
Instance
The SQL Server instance name.
Select (Rows)
The cumulative size, in rows, of I/O Select operations performed on indexed and heaped tables in the selected SQL Server instance.
Update (Rows)
The cumulative size, in rows, of I/O Update operations performed on indexed and heaped tables in the selected SQL Server instance.
This collection provides general data about the SQL Server instance properties, such as identification of the database version number, along with the most recently installed service packs
SQL Server.
86400
Cluster
Indicates if the instance is taking part in a cluster environment.
Collation
The SQL Server instance collation.
Log Shipping
Indicates if Log Shipping is configured.
Mirroring
Indicates if mirroring is configured.
OS Version
The NT version of the computer that runs the SQL Server instance.
Physical Memory
The amount of physical memory on the SQL Server instance host machine.
Process ID
The process ID of the SQL Server instance host machine.
Processor Count
The number of processors on the SQL Server instance’s host machine.
Processor Type
The processor type on the SQL Server instance’s host machine.
Product Version
SQL Server instance product version.
Server Name
The server name of the SQL Server instance.
SP Version
The service pack version of the SQL Server instance.
SQL Edition
The SQL Server instance edition.
SQL Version
SQL Server instance version.
WindowsVersion
The Windows version of the computer that runs the SQL Server instance.
This collection provides a summary of SQL Server batches and compilations.
System.
20
60
Batch Executions
SQL Batches being submitted to SQL Server for execution.
Batch Executions Rate
The rate per second at which SQL batches are being submitted to SQL Server for execution.
Compiles
Compiling is the process by which SQL Server converts the SQL statement into an executable query plan.
Compiles Rate
The rate per second at which SQL Statements are compiled, that is: converted into an executable query plan.
ReCompiles
A recompile occurs when SQL Server determines that the execution plan for a stored procedure that is currently executing may no longer be the best possible plan.
Redundant Compilations
Ratio
Percentage of SQL recompilations that take place.
A high percentage of SQL recompilations may indicate the need for additional physical memory.
This ratio is calculated as follows:
100 * (Compiles / Compiles + Recompiles)
This collection collects data of SQL Statements that consumed the highest amount of resources during the specified time range.
Creation Date
Indicates the date the SQL statement was first run, thereby allowing the creation of SQL statement statistics
Diff. From Executions
Indicates the incremental difference in the number of SQL executions since the last sample.
Diff. From Total CLR Time
Indicates the incremental difference, since the last sample, in the total CLR time spent for executing the SQL statements.
Diff. From Total CPU
Indicates the incremental difference, since the last sample, in the total CPU time consumed by the SQL executions.
Diff. From Total Elapsed Time
Indicates the incremental difference, since the last sample, in the total time consumed for carrying out the SQL statement.
Diff. From Total I/O
The incremental difference, since the last sample, in the total number of I/O operations that were carried out for executing the SQL statements.
Diff. From Total Logical Reads
The incremental difference, since the last sample, in the total number of logical reads carried out for executing the SQL statements.
Diff. From Total Physical Reads
The incremental difference, since the last sample, in the total number of physical reads carried out upon executing SQL statements.
Diff. From Total Wait Time
The incremental difference, since the last sample, in the total wait time consumed upon executing SQL statements.
Executions
Indicates the number of times the SQL script executed for a unique SQL Handle.
Last Executed
Indicates the last time the SQL statement was executed (last run).
Plan Handle
Provides a unique identification of a SQL statement execution plan.
Query Hash
Query hash value indicates the logic behind a SQL script. Similar SQL queries (that is, SQL queries that differ by literal rather than logical values) have the same query hash value. Therefore, if the execution of such queries results in different query plan hash values, the reason for the difference is most probably the data against which the queries were executed.
SQL Handle
Provides a unique identification of a SQL batch script.
SQL Hit Rate
The percentage of SQL Statements that found the required plan already in the cache.
If a matching plan is found, SQL Server does not need to compile the query or the stored procedure. This can save a significant amount of CPU resources, and speed up SQL Server queries.
Statement End Offset
A SQL batch may be combined of multiple SQL statements. While the SQL handle identifies the batch as a whole, this metric provides a unique identification of a specific SQL statement, by indicating the end position of the statement within the SQL batch.
Statement Start Offset
A SQL batch may be combined of multiple SQL statements. While the SQL handle identifies the batch as a whole, this metric provides a unique identification of a specific SQL statement, by indicating the start position of the statement within the SQL batch.
Total CLR Time
The total CLR time spent for executing the SQL statements.
Total CLR Time Per Exec
The average CLR time spent for executing a single CLR execution.
Total CLR Time Rate Top SQL
The total CLR time per second spent for executing the CLR execution.
Total CPU
The total CPU time consumed by the SQL executions.
Total CPU Per Exec
The average CPU time spent for executing a single SQL statement.
Total Elapsed Time
The total time consumed for carrying out the SQL statement executions.
Total Elapsed Time Per Exec
The average time spent for executing a single SQL statement.
Total I/O
The total number of I/O operations that were carried out for executing the SQL statements.
Total I/O per Exec
The average number of I/O operations carried out for executing a single SQL statement.
Total I/O Rate Top SQL
The total number of I/O operations per second that were carried out for executing the SQL statements.
Total Logical Reads
The total number of logical reads carried out for executing the SQL statements.
Total Logical Reads Per Exec
The average number of logical reads carried out for executing a single SQL statements.
Total Logical Reads Rate Top SQL
The total number of logical reads per second that were carried out for executing the SQL statements.
Total Physical Reads
The total number of physical reads carried out for executing the SQL statements.
Total Physical Reads Per Exec
The average number of physical reads carried out per execution of a single SQL statement.
Total Wait Time
The total wait time spent while executing the SQL statements.
Total Wait Time Per Exec
The average time spent on wait events while executing a single SQL statement.
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