1SGE_SCHEDD(8)         Grid Engine Administrative Commands        SGE_SCHEDD(8)
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NAME

6       sge_schedd - Grid Engine job scheduling agent
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SYNOPSIS

9       sge_schedd [ -help ]
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DESCRIPTION

12       sge_schedd computes the scheduling decisions in an Grid Engine cluster.
13       The information necessary for the decision is retrieved from  sge_qmas‐
14       ter(8)  via  an  event  interface.  After applying the scheduling algo‐
15       rithm,  sge_schedd  communicates  the  scheduling  decision   back   to
16       sge_qmaster(8)  again  via  the Grid Engine GDI. In order to trigger an
17       sge_schedd scheduling run, sge_qmaster(8) samples changes in the  clus‐
18       ter status and periodically notifies sge_schedd
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20       By  using  the  -tsm  option of the qconf(1) command, sge_schedd can be
21       forced to print trace messages of its next scheduling run to  the  file
22       $SGE_ROOT/$SGE_CELL/common/schedd_runlog.  The  messages  indicate  the
23       reasons for jobs and queues not being selected in that run
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OPTIONS

26       -help  Print version number of the scheduler.
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ENVIRONMENTAL VARIABLES

29       SGE_ROOT       Specifies the location of the Grid Engine standard  con‐
30                      figuration files.
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32       SGE_CELL       If  set,  specifies  the  default  Grid  Engine cell. To
33                      address a Grid Engine cell sge_schedd uses (in the order
34                      of precedence):
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36                             The name of the cell specified in the environment
37                             variable SGE_CELL, if it is set.
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39                             The name of the default cell, i.e. default.
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42       SGE_DEBUG_LEVEL
43                      If set, specifies that debug information should be writ‐
44                      ten  to stderr. In addition the level of detail in which
45                      debug information is generated is defined.
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47       SGE_QMASTER_PORT
48                      If set, specifies the tcp port on  which  sge_qmaster(8)
49                      is  expected to listen for communication requests.  Most
50                      installations will use a services map entry for the ser‐
51                      vice "sge_qmaster" instead to define that port.
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FILES

54       $SGE_ROOT/$SGE_CELL/spool/qmaster/schedd
55                      sge_schedd spool directory
56       $SGE_ROOT/$SGE_CELL/common/sched_runlog
57                      sge_schedd trace information
58       $SGE_ROOT/$SGE_CELL/common/sched_configuration
59                      sge_schedd configuration
60       See sched_conf(5) for details on the scheduler configuration file.
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SEE ALSO

63       sge_intro(1), sge_gdi(3), sched_conf(5), sge_qmaster(8).
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66       See sge_intro(1) for a full statement of rights and permissions.
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70GE 6.1                   $Date: 2007/06/26 22:21:13 $            SGE_SCHEDD(8)
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