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Foglight for SQL Server (Cartridge) - User Guide

Introduction to this Guide Using Foglight for SQL Server
Viewing the Databases Dashboard Overview Dashboard Advisories Dashboard Monitoring Data Replication Monitoring SQL Performance Reviewing Memory Usage Reviewing the Instance Activity Reviewing Database Usage Reviewing the Services Using the HADR Drilldown Using the Logs Drilldown Reviewing Configuration Settings Viewing User-defined Performance Counters and Collections
Monitoring Business Intelligence Services Administering Foglight for SQL Server
Configuration Settings Managing Foglight for SQL Server Agent Settings Reviewing Foglight for SQL Server Alarms Generating Reports Monitoring SQL Server instances on VMware servers
Access methods Adhoc SQL Plans Alarm Alert Allow updates Anonymous subscription Authentication AutoClose AutoGrow Automatic Discovery AutoShrink B Batch BCP (Bulk Copy Program) Blocking Books Online Bound trees Buffer Buffer cache Buffer pool Bulk copy Bulkinsert Bulk load C Cache CAL Calibration Cardinality Cartridge Chart Checkpoint process Client network utility CLR Compile Connect Connection Connectivity software CPU Usage Cursors D Data access components Data file Data storage engine Database Database object DataFlow DBCC DBID DBO Deadlock Disk queue length Disk transfer time Disk utilization DiskPerf Distributing instance Distributor DMO Drilldown DTC DTS E Error log Event alert Execution contexts Extended stored procedures Extent External procedures F File Filegroup File cache Foglight Agent Manager Foglight Management Server Foreign key Forwarded records Free buffers Free list Free pages Free potential Free space Freespace scans Full text search G GAM Ghosted records Growth increment GUID H Hash buckets Hashing Heap Hit rate Hit ratio Host name Host process I I/O Index Indid Integrated security Intent Locks J Job K Kernel memory Kernel mode Kill L Latch Lazy writer Licensing Lightweight pooling Lock Lock area Lock escalation Lock mode Log Log cache Log writer Logical I/O LRU LSN M Master MaxSize MDAC Metric Misc.normalized trees Model Monitor page file N Named pipes Net library NIC Null O OBID Object plans OLAP OLAP service OLTP Optimizer Optimizer cache osql P Page life expectancy Paging Panel Parse Parser Per seat licensing Per server licensing Performance alert Physical I/O Physical read Physical write PID Pinned Plan Plan cache Potential growth Prepared SQL plans Primary key Privileged mode Procedure cache Procedure plans Process Profiler Publication database Publisher Publisher databases Publishing server Pull subscription Pulse Push subscription Q Query plan R RAID Random I/O Read ahead Recompile Referential integrity Relational data engine Replication procedure plans Role Rollback S sa Schema locks Sequential I/O Session Severity SGAM Shared locks Show advanced options SMP Sort, Hash, Index Area SPID Spike Spinner SQL Agent Mail SQL Mail SQL Plans SQL Server Agent SQL Server authentication SQL Server books online Standard deviation Stolen pages Stored procedure Support service SYSADMIN role T TDS TempDB Temporary tables and table variables Threshold Torn page detection Transaction Trigger Trigger plans Truncate Trusted U UMS Unused space User connection area User mode V Virtual log file VLF W Waitfor Windows authentication mode Working set
SQL PI Repository Cold Backup Procedure SQL Performance Investigator Metrics
Active Time All SQL Agents CPU Usage All SQL Agents Resident Memory Usage Availability Average Physical I/O Operations Average SQL Response Time Backup Recovery Wait Blocked Lock Requests Checkpoint Pages CLR Wait CPU Usage CPU Wait Cursor Synchronization Wait Database Replication Wait Deferred Task Worker Wait Degree of Parallelism Disk Utilization DTC CPU Usage DTC Resident Memory Usage Distributed Transaction Wait Executions Ended Executions Started External Procedures Wait Full Scans Full Text Search CPU Usage Full Text Search Resident Memory Usage Full Text Search Wait Free Buffer Wait Hosted Components Wait IO Bulk Load Wait IO Completion Wait IO Data Page Wait IO Wait Latch Buffer Wait Latch Wait Latch Savepoint Wait Lazy Writes Lock Wait Lock Bulk Update Wait Lock Exclusive Wait Lock Intent Wait Lock Requests Lock Schema Wait Lock Shared Wait Lock Update Wait Lock Wait Log Buffer Wait Log Flushes Log Other Wait Log Synchronization Wait Log Wait Log Write Wait Memory Wait Network IO Wait Network IPC Wait Network Mirror Wait Network Wait Non SQL Server CPU Usage Non SQL Resident Memory Usage OLAP CPU Usage OLAP Resident Memory Usage OLEDB Provider Full Text Wait Other CPU Usage Other Miscellaneous Wait Other Wait Overall CPU Page Life Expectancy Page Splits Parallel Coordination Wait Physical I/O Physical Memory Used Physical Page Reads Physical Page Writes Probe Scans Plan Cache Hit Rate Range Scans Rec Ended Duration Remote Provider Wait Run Queue Length Samples Service Broker Wait Session Logons Session Logoffs SQL Agent CPU Usage SQL Agent Resident Memory Usage SQL Executions SQL Mail CPU Usage SQL Mail Resident Memory Usage SQL Recompilations SQL Response Time SQL Server Background CPU Usage SQL Server Cache Memory SQL Server Connections Memory SQL Server Connections Summary SQL Server Foreground CPU Usage SQL Server Resident Memory Usage SQL Server Swap Memory Usage Synchronous Task Wait Table Lock Escalation Target Instance Memory Total CPU Usage Total Instance Memory Virtual Memory Used
Rules Collections and Metrics
SQL Server Agent's Default Collections Access Methods Agent Alert List Agent Job List Always On Availability Groups Backup Locations Blocking History Blocking List Buffer Cache List Buffer Manager CLR Assemblies Cluster Summary Configuration Database Index Density Vectors Database Index Details Database Index Fragmentation Info Database Index Histogram Database Index List Database Information Database Properties Database Sessions (Session List) Database Summary Database Tables List Databases Deadlock DTC Information Error Log Error Log List Error Log Scan File Groups File Data Flow Statistics File Groups Files Files Drive Total Files Instance Summary Full Text Catalog InMemory OLTP (XTP) Instance Wait Categories Instance Wait Events Job Messages Latches and Locks Lock Statistics Locks List Log Shipping Log Shipping Error Logical Disks Memory Manager Mirroring Mirroring Performance Counters Missing Indexes Plan Cache Distribution Plan Cache List Replication Agents Replication Agent Session Actions Replication Agent Session Merge Articles Replication Agent Sessions Replication Agent Sessions by Type Replication Available Replication Publications Replication Subscriptions Reporting Services Resource Pool Session Data Session Trace SQL PI Instance Statistics SQL Server Connections Summary SQL Server Global Variables SQL Server Host SQL Server Load SQL Server Services SQL Server Throughput SQL Server Version Info SSIS OS Statistics SSIS Summary Statistics Top SQLs Top SQL Batch Text Top SQL Long Text Top SQL Plan Top SQL Short Text Top SQL Summary Traced SQL PA Usability User-defined Performance Counters User-defined Queries Virtualization XTP Session Transactions Statistics


The Properties view displays database properties that correspond to the data returned by the SQL Server DatabasePropertyEx function. For more information about these properties, see the Transact-SQL Reference section in Microsoft® SQL Server Books Online.

In Memory

The In Memory view displays metrics on space usage by objects in memory. To view details for a specific database, click on the database row. Detailed metrics will be displayed below the table.



The database ID number.

Database Name

The name of the database.

XTP Enabled

Whether or not the database is XTP enabled.

Resource Pool Name

The name of the resource pool allocated to the database.

Percent of Pool

Total memory usage of the objects within the database.

Tables Allocation

Total amount of memory (in MB) allocated for the tables.

Indexes Allocation

Total amount of memory (in MB) allocated for the indices.

System Allocation

Total amount of memory (in MB) allocated for the system.

Table Used

Total amount of memory (in MB) used by the tables, including row versions.

Indexes Used

Total amount of memory (in MB) used by the indices, including row versions.

System Used

Total amount of memory (in MB) used by the system, including row versions.

Monitoring Database Details

You can display detailed data for a database. by selecting the database row in any one of the tables displayed on the Overview, Transactions, Backup Status, Properties or In Memory tabs.

The Database Details panel allows carrying out the following tasks:

Monitoring database space and history — using the Summary pane, which displays a graphical representation of the disk space usage for databases, as well as various statistics for each database. For further details, see Monitoring Database History .
Monitoring data files — using the Data Files pane, which displays all files (excluding the Transaction Log) in the selected databases; see Monitoring data files .
Monitoring tables — using the Tables & Indexes pane, which displays statistics for all tables and indexes in the selected databases (by default, 50 rows are displayed); see Monitoring Tables and Indexes .
NOTE: The panes from File Groups to Tables and Indexes display tabular and graphical information about other areas down the storage level hierarchy, currently selected in the Databases table. The charts on each of these panes display the amount of space allocated to the area for each selected database (Space Chart), and the amount by which each of the areas is growing over time (Growth Chart).
Monitoring disk space — using the Disk Space pane, which displays each logical disk on the server, with a detailed graphical representation of the disk space usage for all disk. For further details, see Monitoring Disk Space .

Monitoring Database History

The Summary pane displays three separate charts showing various statistics relating to recent I/O activity on each database. You can select which data each graph should display.


To view a particular graph, select it from the Database History list.

The amount of file space allocated to the transaction log of each currently used database. Log space can be freed up by backing up the log, or truncating it, using the truncate option (backup log <dbname> with truncate_only).

The amount of disk space that the data files are using. This graph indicates how the size of data files has changed over time.

The amount of disk space that the log files are using. This graph shows how the size of log files has changed over time.

The number of open transactions in each database.

The rate of transactions for each database.

Percentage of log cache reads satisfied from the log cache.

This metric reflects the amount of physical log I/O that is being avoided by caching log data. The log caches normally have a non-zero hit rate only if Rollback activity is taking place.

The rate (measured in kilobytes per second) at which data is being loaded into the database using BCP (Bulk Copy Program) or BULK INSERT.

Despite the speed at which BCP and BULK INSERT can import data into SQL Server, system I/O performance may degrade while BCP operations are underway.

The rate (measured in kilobytes per second) at which backup or restore operations are reading or writing to the database.

Throughput of a database backup or restore operation allows determining the progress and performance of these operations; for example, measuring how the performance of the database backup operation changes when more backup devices are used in parallel or when faster devices are used.

The rate (measured in kilobytes per second) at which Database Console Commands (DBCC) are processing data.

This rate represents the number of logical read scan kilobytes per second for database command console (DBCC) statements.

The rate at which the log cache for each database is being flushed to disk, which is necessary to guarantee that transactions can be recovered in the event of a system failure.

The amount of time spent, in milliseconds, waiting for log flushes in each database.

High log flush wait time can be caused by a slow or overworked disk subsystem. If a database has a consistently high Log Flush Wait Time that never changes, run the SQL command CHECKPOINT on that database to force another log flush and re-check the value in Foglight for SQL Server.

The number of times the log has been expanded for each database.

The number of times the log has been reduced for each database.

The frequency of log truncations for each database.

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