LPSCHED(1M) Maintenance Commands LPSCHED(1M)


lpsched - start the LP print service


lpsched [-f num_filters] [-n num_notifiers] [-p fd_limit]
[-r reserved_fds]


The lpsched command starts or restarts the LP print service.

The lpshut command stops the LP print service. Printers that are
restarted using lpsched reprint (in their entirety) print requests that
were stopped by lpshut. See lpshut(1M).

It is recommended that you start and stop the LP print service using
svcadm(1M). See NOTES.


The following options are supported:

-f num_filters
Specifies the number of concurrent slow filters that
may be run on a print server. A default value of 1 is
used if none is specified. Depending on server
configuration, a value of 1 may cause printers to
remain idle while there are jobs queued to them.

-n num_notifiers
Specifies the number of concurrent notification
processes that can run on a print server. A default
value of 1 is used when none is specified.

-p fd_limit
Specifies the file descriptor resource limit for the
lpsched process. A default value of 4096 is used if
none is specified. On extremely large and active
print servers, it may be necessary to increase this

-r reserved_fds
Specifies the number of file descriptors that the
scheduler reserves for internal communications under
heavy load. A default value of 2 is used when none
is specified. It should not be necessary to modify
this value unless instructed to do so when
troubleshooting problems under high load.


The following exit values are returned:

Successful completion.

An error occurred.


LP print queue.


lp(1), svcs(1), lpstat(1), lpadmin(1M), lpmove(1M), lpshut(1M),
svcadm(1M), attributes(5), smf(5)


The lpsched service is managed by the service management facility,
smf(5), under the service identifier:


Administrative actions on this service, such as enabling, disabling, or
requesting restart, can be performed using svcadm(1M). The service's
status can be queried using the svcs(1) command.

September 3, 2004 LPSCHED(1M)