Using
Abbreviations
for
A
ttribute
Names
and
V
alues
back-
log-update-interval
This
single-v
alued
attribute
sp ecies
the
in
terv
al,
in
hours
and
min
utes,
at
whic
h
HPDPS
calculates
the
v
alue
of
the
non-settable
queue-backlog
attribute.
The
v
alue
y
ou
sp ecify
m
ust
b e
equal
to
or
less
than
the
v
alue
of
the
backlog-upper-bound
attribute.
The
default
v
alue
for
this
attribute
is
the
v
alue
of
the
backlog-upper-bound
attribute
divided
b
y
30,
with
a
minimum
v
alue
of
one
min
ute.
Y
ou
can
disable
bac
klog
calculations
b
y
setting
the
v
alue
of
the
backlog-update-interval
attribute
to
0 .
Note:
The
smaller
the
in
terv
al
y
ou
sp ecify
,
the
larger
the
c
hance
for
detection
of
a
bac
klogged
queue.
If
the
queue-backlogged
ev
en
t
is
sp ecied
b
y
the
notication
prole
for
the
queue,
In
general,
if
y
ou
sp ecify
a
small
v
alue
for
the
in
terv
al,
sp ecify
a
wider
gap
in
the
v
alues
for
the
upp er
and
low
er
b oundaries.
Con
v
ersely
,
increase
the
in
terv
al
v
alue
if
y
ou
set
the
t
w
o
b oundaries
fairly
close
together.
T
o
set
the
upp er
b ound
at
45
min
utes,
the
low
er
b ound
at
30
min
utes,
and
the
calculation
in
terv
al
at
10
min
utes
for
the
queue
Queue1 ,
en
ter:
pdset
-c
queue
-x
"backlog-upper-bound=00:45\
backlog-lower-bound=00:30\
backlog-update-interval=00:10"
Queue1
About
Controlling
Queue
Backlog
Processing
HPDPS
sends
notication
messages
based
on
the
v
alue
of
the
queue-backlog
attribute
if
the
queue-backlogged
ev
en
t
is
sp ecied
in
the
notication
prole
for
a
queue.
This
ev
en
t
is
sp ecied
in
the
default
notication
prole
for
a
queue.
The
sp o oler
calculates
the
v
alue
of
the
queue-backlog
attribute
b
y
determining
ho
w
fast
the
ph
ysical
prin
ter
or
prin
ters
asso
ciated
with
the
queue
ha
v
e
pro cessed
previous
jobs.
The
sp o oler
uses
the
v
alue
of
the
total-job-octets
job
attribute
to
determine
job
size
and
the
v
alue
of
the
processing-time
job
attribute
to
determine
ho
w
long
the
ph
ysical
prin
ter
to
ok
to
pro cess
the
job.
The
sp o oler
then
analyzes
the
jobs
curren
tly
in
the
6-10
Configuring
Spoolers,
Queues,
and
Logical
Printers