Parameters |
Description |
Connections |
The user connection counter identifies the number of users connected to the SQL Server. |
Number of Errors |
Number of errors per second. |
Batch Requests |
Number of SQL batch requests received by server. |
Longest Transaction Time |
The longest running time of any transaction in seconds. |
Backup Device Throughput |
Read/write throughput for a backup device. |
SQL Compilations |
Number of SQL compilations. |
SQL Re-Compilations |
Number of SQL re-compiles. |
Replication Merge Conflicts |
The number of conflicts per second occurring during the merge process. |
Memory Manager Details |
|
Target Server Memory (MB) |
Total amount of dynamic memory the server is willing to consume. |
Total Server Memory (MB) |
Total amount of dynamic memory the server is currently consuming |
SQL Cache Memory (MB) |
Total amount of dynamic memory the server is using for the dynamic SQL cache |
Optimizer Memory (MB) |
Total amount of dynamic memory the server is using for query optimization |
Connection Memory (MB) |
Total amount of dynamic memory the server is using for maintaining connections |
Buffer Manager Details |
|
Lock Memory (MB) |
Total amount of dynamic memory the server is using for locks |
Granted Workspace Memory (MB) |
Total amount of memory granted to executing processes. |
Memory Grants Pending |
Current number of processes waiting for a workspace memory grant |
Buffer cache hit ratio |
Percentage of pages that were found in the buffer pool without having to incur a read from disk. |
Checkpoint pages/sec |
Number of pages flushed by checkpoint or other operations that require all dirty pages to be flushed. |
Lazy writes/sec |
Number of buffers written by buffer manager's lazy writer |
Page life expectancy |
Number of seconds a page will stay in the buffer pool without references. |
Page writes/sec |
Number of physical database page writes issued. |
Page reads/sec |
Number of physical database page reads issued. |
Total pages |
Number of pages in the buffer pool |
Database pages |
Number of pages in the buffer pool with database content. |
Free pages |
Total number of pages on all free lists. |
Plan and Job Details |
|
Cache Hit Ratio % |
Ratio between cache hits and lookups |
Cache Pages |
Number of 8k pages used by cache objects |
Cache Object Counts |
Number of cache objects in the cache |
Active jobs |
Number of running jobs. |
Failed jobs |
Number of failed jobs. |
Queued jobs |
Number of jobs queued. |
Job Success Rate |
Percentage of successful jobs from the total number of executed jobs |
Lock and Latch Details |
|
Lock Requests/sec |
Number of new locks and lock conversions requested from the lock manager. |
Lock Timeouts/sec |
Number of lock requests that timed out |
Lock Wait Time |
Total wait time (milliseconds) for locks in the last second. |
Deadlocks/sec |
Number of lock requests that resulted in a deadlock. |
Average Lock Wait Time |
The average amount of wait time (milliseconds) for each lock request that resulted in a wait. |
Average Latch Wait Time |
Average latch wait time (milliseconds) for latch requests that had to wait. |
Latch Waits/sec |
Number of latch requests that could not be granted immediately and had to wait before being granted. |
Database Details |
|
Active Transactions |
Number of active update transactions for the database. |
Transactions/sec |
Number of transactions started for the database. |
Log Cache Hit Ratio |
Percentage of log cache reads that were satisfied from the log cache. |
Log File(s) Size (MB) |
The cumulative size of all the log files in the database. |
Log File(s) Used Size (MB) |
The cumulative used size of all the log files in the database. |
Log Growths |
Total number of log growths for this database. |
Log Shrinks |
Total number of log shrinks for this database. |
Data File(s) Size (MB) |
The cumulative size of all the data files in the database |