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The Foglight Management Server (FMS) is the central component of Foglight. The Management Server receives information from agents and makes it available in the browser interface.
The Foglight database stores all system, application, and performance data. Over time, it becomes an invaluable source of historical information for planning future system capacity requirements and for doing point-in-time analysis. The information in the database can also be made available for use in external systems.
The Management Server performs continuous internal monitoring on itself and other Foglight components, as well as on the Java Virtual Machine (JVM) and the database.
A column or columns within one table that relate to the primary key within a master or a parent table.
When a row in a table that does not have a clustering index is updated, and if the modified row no longer fits on the old page, then SQL Server moves the row to a new page and leaves a forwarding pointer in the old page. The forwarding pointer saves the need to modify the non-clustered indexes to make them reflect the row’s new location; however, extra I/O resources are now required for subsequent retrieval of this row using non-clustered indexes.
A high rate of forwarded records can indicate a need to reorganize tables (unload/reload) or define clustered indexes.
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