File Header

The file header record (type 0) is listed in the following table.

Statistic	Description
Record type	Integer value representing the type of statistics sampling record.
Node number	Node number relative to the system.
Node type	Integer value representing the type of node on which records are sampled. The value can be 1 (database server), 2 (application server), 3 (application server and database server), 4 (standard, or fat, client), 5 (standard, or fat, client and database server).
Computer name	Name of the computer where the node is executing.
JADE version number	Number of the JADE version from which statistics are sampled.
Date	Date on which the sample is executed converted to the internal (Julian day) format for internal storage and computation.
Time	Time in milliseconds from midnight UTC (that is, 00:00) on that date until the sample is executed.
UTC bias	Coordinated Universal Time (UTC) bias of the machine on which the node sample is executed.
Timestamp string	Text representation of the date and time as a timestamp (in the local time of the workstation from which the sample was executed).

For more details about Coordinated Universal Time (UTC), see "File Trailer", later in this chapter.