HP Integrity NonStop H-Series Podręcznik Użytkownika Pobierz pdf (Strona 101)

HP NonStop Shadowbase Command Definitions

Collector Command Descriptions

HP NonStop Shadowbase Command Reference Manual—785421-002

AUDMON shows the AUDMON process controlling the Collector.

DURATION shows the time duration for the statistics. Either from the initial

startup of the COLL or from the last RESET.

Notes:

 If the lag is greater than 100 hours, it will be displayed as “>100

HOURS”.

 If the Collector/Consumer is caught up, zeros will be shown.

 If there are no messages busy or queued for a Consumer, the lag

times will be blank.

 If the Collector has been suspended via AUDCOM, the lag times will

show “NOT READING”.

 If a Consumer is not in a state to receive messages (e.g., it has been

suspended via AUDCOM), the lag times will show “NOT PROC.”

(meaning not processing).

 The following is an example using the DETAIL option (the new

information is in bold).

 The timestamps, and latencies output are computed and displayed in

<hours>:<minutes>:<seconds>. <milliseconds> format. It should be

noted that many of these timestamps are generated using audit trail

event timestamps, which are notoriously inexact. Deviations of a few

seconds (to as much as a minute) of ‘inexact drift’ can occur. For busy

systems, the audit trail timestamps will generally be more accurate

than they are for less-busy systems.

 Due to the audit trail event timestamp inaccuracies described above,

lag statistics may show far greater latency than what is actually

occurring.

LATENCY WARNING STATUS – This section indicates the current

status. Possible values are: ENABLED, DISABLED, BEHIND or

CAUGHT UP. These last two states will only appear if the

LATENCYTHRESHOLD parameter is set greater than 0. In this case, it

also indicates the time it entered this state.

ETS shows the timestamp of the oldest unacknowledged event sent to the

Consumer. The LTS (latency, or latest, timestamp) Shows the timestamp

of last event read from the audit trail.

ETS LAG (CUR) shows what the lag time is from the oldest event being

tracked to the current wall clock time. In this context, tracked events are

the events that have been read from audit, and are either queued to or

have been sent to a Consumer, but have not yet been ACK’d by that

Consumer It is not the same thing as the RESTARTFILE lag time (see

below), however it is possible that the oldest event being tracked by the

Collector is the oldest event for a current transaction (a transaction that

the Collector has not seen a commit or abort for).

LTS shows the timestamp of the last event read from the audit trail.

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