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QSTAT(P) QSTAT(P)
NAME
qstat - show status of batch jobs
SYNOPSIS
qstat [-f] job_identifier ...
qstat -Q [-f] destination ...
qstat -B [-f] server_name ...
DESCRIPTION
The status of a batch job, batch queue, or batch server is obtained by a request to
the server. The qstat utility is a user-accessible batch client that requests the
status of one or more batch jobs, batch queues, or servers, and writes the status
information to standard output.
For each successfully processed batch job_identifier, the qstat utility shall dis-
play information about the corresponding batch job.
For each successfully processed destination, the qstat utility shall display infor-
mation about the corresponding batch queue.
For each successfully processed server name, the qstat utility shall display infor-
mation about the corresponding server.
The qstat utility shall acquire batch job status information by sending a Job Sta-
tus Request to a batch server. The qstat utility shall acquire batch queue status
information by sending a Queue Status Request to a batch server. The qstat utility
shall acquire server status information by sending a Server Status Request to a
batch server.
OPTIONS
The qstat utility shall conform to the Base Definitions volume of
IEEE Std 1003.1-2001, Section 12.2, Utility Syntax Guidelines.
The following options shall be supported by the implementation:
-f Specify that a full display is produced.
The minimum contents of a full display are specified in the STDOUT section.
Additional contents and format of a full display are implementation-defined.
-Q Specify that the operand is a destination.
The qstat utility shall display information about each batch queue at each destina-
tion identified as an operand.
-B Specify that the operand is a server name.
The qstat utility shall display information about each server identified as an
operand.
OPERANDS
If the -Q option is presented to the qstat utility, the utility shall accept one or
more operands that conform to the syntax for a destination (see Destination ).
If the -B option is presented to the qstat utility, the utility shall accept one or
more server_name operands.
If neither the -B nor the -Q option is presented to the qstat utility, the utility
shall accept one or more operands that conform to the syntax for a batch job_iden-
tifier (see Batch Job Identifier ).
STDIN
Not used.
INPUT FILES
None.
ENVIRONMENT VARIABLES
The following environment variables shall affect the execution of qstat:
HOME Determine the pathname of the user’s home directory.
LANG Provide a default value for the internationalization variables that are
unset or null. (See the Base Definitions volume of IEEE Std 1003.1-2001,
Section 8.2, Internationalization Variables for the precedence of interna-
tionalization variables used to determine the values of locale categories.)
LC_ALL If set to a non-empty string value, override the values of all the other
internationalization variables.
LC_COLLATE
Determine the locale for the behavior of ranges, equivalence classes, and
multi-character collating elements within regular expressions.
LC_CTYPE
Determine the locale for the interpretation of sequences of bytes of text
data as characters (for example, single-byte as opposed to multi-byte char-
acters in arguments).
LC_MESSAGES
Determine the locale that should be used to affect the format and contents
of diagnostic messages written to standard error.
LC_NUMERIC
Determine the locale for selecting the radix character used when writing
floating-point formatted output.
ASYNCHRONOUS EVENTS
Default.
STDOUT
If an operand presented to the qstat utility is a batch job_identifier and the -f
option is not specified, the qstat utility shall display the following items on a
single line, in the stated order, with white space between each item, for each suc-
cessfully processed operand:
* The batch job_identifier
* The batch job name
* The Job_Owner attribute
* The CPU time used by the batch job
* The batch job state
* The batch job location
If an operand presented to the qstat utility is a batch job_identifier and the -f
option is specified, the qstat utility shall display the following items for each
success fully processed operand:
* The batch job_identifier
* The batch job name
* The Job_Owner attribute
* The execution user ID
* The CPU time used by the batch job
* The batch job state
* The batch job location
* Additional implementation-defined information, if any, about the batch job or
batch queue
If an operand presented to the qstat utility is a destination, the -Q option is
specified, and the -f option is not specified, the qstat utility shall display the
following items on a single line, in the stated order, with white space between
each item, for each successfully processed operand:
* The batch queue name
* The maximum number of batch jobs that shall be run in the batch queue concur-
rently
* The total number of batch jobs in the batch queue
* The status of the batch queue
* For each state, the number of batch jobs in that state in the batch queue and
the name of the state
* The type of batch queue (execution or routing)
If the operands presented to the qstat utility are destinations, the -Q option is
specified, and the -f option is specified, the qstat utility shall display the fol-
lowing items for each successfully processed operand:
* The batch queue name
* The maximum number of batch jobs that shall be run in the batch queue concur-
rently
* The total number of batch jobs in the batch queue
* The status of the batch queue
* For each state, the number of batch jobs in that state in the batch queue and
the name of the state
* The type of batch queue (execution or routing)
* Additional implementation-defined information, if any, about the batch queue
If the operands presented to the qstat utility are batch server names, the -B
option is specified, and the -f option is not specified, the qstat utility shall
display the following items on a single line, in the stated order, with white space
between each item, for each successfully processed operand:
* The batch server name
* The maximum number of batch jobs that shall be run in the batch queue concur-
rently
* The total number of batch jobs managed by the batch server
* The status of the batch server
* For each state, the number of batch jobs in that state and the name of the state
If the operands presented to the qstat utility are server names, the -B option is
specified, and the -f option is specified, the qstat utility shall display the fol-
lowing items for each successfully processed operand:
* The server name
* The maximum number of batch jobs that shall be run in the batch queue concur-
rently
* The total number of batch jobs managed by the server
* The status of the server
* For each state, the number of batch jobs in that state and the name of the state
* Additional implementation-defined information, if any, about the server
STDERR
The standard error shall be used only for diagnostic messages.
OUTPUT FILES
None.
EXTENDED DESCRIPTION
None.
EXIT STATUS
The following exit values shall be returned:
0 Successful completion.
>0 An error occurred.
CONSEQUENCES OF ERRORS
In addition to the default behavior, the qstat utility shall not be required to
write a diagnostic message to standard error when the error reply received from a
batch server indicates that the batch job_identifier does not exist on the server.
Whether or not the qstat utility waits to output the diagnostic message while
attempting to locate the batch job on other servers is implementation-defined.
The following sections are informative.
APPLICATION USAGE
None.
EXAMPLES
None.
RATIONALE
The qstat utility allows users to display the status of jobs and list the batch
jobs in queues.
The operands of the qstat utility may be either job identifiers, queues (specified
as destination identifiers), or batch server names. The -Q and -B options, or
absence thereof, indicate the nature of the operands.
The other options of the qstat utility allow the user to control the amount of
information displayed and the format in which it is displayed. Should a user wish
to display the status of a set of jobs that match a selection criteria, the qselect
utility may be used to acquire such a list.
The -f option allows users to request a "full" display in an implementation-defined
format.
Historically, the qstat utility has been a part of the NQS and its derivatives, the
existing practice on which it is based.
FUTURE DIRECTIONS
None.
SEE ALSO
Batch Environment Services , qselect
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std
1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating
System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C)
2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The
Open Group. In the event of any discrepancy between this version and the original
IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is
the referee document. The original Standard can be obtained online at
http://www.opengroup.org/unix/online.html .
POSIX 2003 QSTAT(P)
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