EMS Manual

Collector Event Messages
EMS Manual—426909-005
20-19
518: ZEMS-EVT-COL-EVENT-DISCARDS
ZEMS-TKN-SUBJECT-MARK (shared)
is the standard EMS token that immediately precedes each subject token. This
event message has one subject token:
ZEMS-TKN-COLLECTOR (nonshared)
specifies the collector type. This token has the value ZEMS-SUBJ-PCOLL
(or 1).
ZEMS-TKN-COL-EVENT-DISCARDS (nonshared)
is an array of four integers with this DDL definition:
DEFINITION ZEMS-DDL-COL-EVENT-DISCARDS.
02 zsendopmsg TYPE zspi-ddl-uint.
02 zmessenger TYPE zspi-ddl-uint.
02 zusertext TYPE zspi-ddl-uint.
02 zuserevent TYPE zspi-ddl-uint.
END
These four fields of ZEMS-TKN-COL-EVENT-DISCARDS represent these
categories of discarded messages:

Operator console messages

Other operating-system messages

Text messages written to $0 with the WRITE procedure

Event messages written to $0 with the WRITEREAD procedure
ZEMS-TKN-OPMSG (nonshared)
is private to HP.
Cause. The primary collector has recovered from an event-flooding condition. So
many events were reported at about the same time that the collector had to discard
some of them and reply to the event issuer with an error. A process might be looping,
which can cause event-message flooding if the loop generates an event message. A
forwarding distributor can cause flooding if the distributor forwards an event message
to the system that originally reported the event.
Effect. None. The primary collector has recovered.
Recovery. Try to determine the cause of event-message flooding. You might succeed
in decreasing the rate of event-message generation, especially if many messages
come from a single source. For example, if you determine that a process is sending
many messages (the process might be looping), you can stop the process or place it
under a debugger. Similarly, if a device malfunctions and produces a flood of event
messages, you can stop the device and have the problem fixed.
If no particular device or process is responsible for the flood, in some cases you can
change collector attributes to increase the rate at which event messages are logged.
EMSCCTRL can help you change these attributes: