SYNOPSIS
       sge_execd [ -help ]

DESCRIPTION
       sge_execd controls the Univa Grid Engine queues local to the machine on
       which sge_execd is running and executes/controls  the  jobs  sent  from
       sge_qmaster(8) to be run on these queues.

OPTIONS
   -help
       Prints a listing of all options.

LOAD SENSORS
       If a load sensor is configured for sge_execd via either the global host
       configuration or the execution-host-specific cluster configuration (See
       sge_conf(5).),  the  executable  path  of the load sensor is invoked by
       sge_execd on a regular basis and delivers one or multiple load  figures
       for  the  execution  host (e.g.  users currently logged in) or the com-
       plete cluster (e.g. free disk space on a network wide scratch file sys-
       tem). The load sensor may be a script or a binary executable. In either
       case its handling of the STDIN and STDOUT streams and its control  flow
       must comply to the following rules:

       The  load  sensor must be written as an infinite loop waiting at a cer-
       tain point for input from STDIN. If the  string  "quit"  is  read  from
       STDIN,  the  load sensor should exit.  When an end-of-line is read from
       STDIN, a load data retrieval cycle should start. The load  sensor  then
       performs  whatever  operation  is necessary to compute the desired load
       figures.  At the end of the cycle the load sensor writes the result  to
       stdout. The format is as follows:

       o  A  load  value  report starts with a line containing only either the
          word  "start" or the word "begin".

       o  Individual load values are separated by newlines.

       o  Each load value report consists of three parts separated  by  colons
          (":") and containing no blanks.

       o  The first part of a load value information is either the name of the
          host for which load is reported or the special name "global".

       o  The second part is the symbolic name of the load value as defined in
          the  host  or global complex list (see complex(5) for details). If a
          load value is reported for which no entry in the host or global com-
          plex list exists, the reported load value is not used.

       o  The third part is the measured load value.

       o  A load value report ends with a line with only the word "end".

ENVIRONMENTAL VARIABLES
                      If set, specifies that debug information should be writ-
                      ten to stderr. In addition the level of detail in  which
                      debug information is generated is defined.

       SGE_QMASTER_PORT
                      If  set,  specifies the tcp port on which sge_qmaster(8)
                      is expected to listen for communication requests.   Most
                      installations will use a services map entry for the ser-
                      vice "sge_qmaster" instead to define that port.

       SGE_EXECD_PORT If set, specifies the tcp port on which sge_execd(8)  is
                      expected  to  listen  for  communication requests.  Most
                      installations will use a services map entry for the ser-
                      vice "sge_execd" instead to define that port.

RESTRICTIONS
       sge_execd  usually  is  started  from root on each machine in the Univa
       Grid Engine pool.  If started by a normal user, a spool directory  must
       be used to which the user has read/write access. In this case only jobs
       being submitted by that same user are handled correctly by the  system.

FILES
       sgepasswd  contains  a  list  of  user  names   and   their correspond-
       ing encrypted passwords. If available, the  password   file   will   be
       used    by   sge_execd.  To change the contents of this file please use
       the sgepasswd command. It is not advised to  change that file manually.
       <sge_root>/<cell>/common/configuration
                       Univa Grid Engine global configuration
       <sge_root>/<cell>/common/local_conf/<host>
                       Univa Grid Engine host specific configuration
       <sge_root>/<cell>/spool/<host>
                       Default execution host spool directory
       <sge_root>/<cell>/common/act_qmaster
                       Univa Grid Engine master host file

SEE ALSO
       sge_intro(1), sge_conf(5), complex(5), sge_qmaster(8).

COPYRIGHT
       See sge_intro(1) for a full statement of rights and permissions.



UGE 8.0.0                $Date: 2008/12/04 17:11:17 $             SGE_EXECD(8)