OneSight Administrator Guide

Configuring TCP/IP Socket Monitors
PERL expression defines record – select this option to use
arbitrary record-based mode. In this mode a Perl expression
is used to determine where each record in the file starts and
ends. The expression is applied to the data as it is read, and
records are picked out as they are found. Entries that exceed
the specified maximum record size are ignored.
If you select Perl expression defines record, the following
additional fields are displayed:
Max Record Length – Enter the maximum record length.
Entries that exceed this length are ignored.
Record Format (PERL) – Enter the Perl expression defining
the record, including the delimiter character.
Unit Measure – Specifies the units to use when displaying the
metric.
Inactivity Sample Count – If the data source detects that the
monitored TCP/IP connection does not receive any new
information for the number of sample counts you enter here, a
sample failure will result.
Sample Continuously – Select to sample continuously. This field
is only available when Metric Type is Perl Expression value.
Sample Every: – Specifies how often samples are
taken for this monitor. Refer to, ―Sample Every Settings,‖ later
in this chapter for a description of these settings.
Alert Collection Mode – Select how you want alerts to be
processed.
Report Alerts as they Occur – If multiple alerts occur on the
same trigger they are all sent. Alerts with the same timestamp
as a previous alert will not be sent.
Report First Alert Encountered for a Trigger – The first alert
that occurs during a sample run for a specific trigger is the
342 OneSight Administrator Guide