Provided by: gridengine-common_6.2u5-3ubuntu1_all bug

NAME

       complex - Sun Grid Engine complexes configuration file format

DESCRIPTION

       Complex   reflects   the   format   of  the  Sun  Grid  Engine  complex
       configuration.  The  definition  of  complex  attributes  provides  all
       pertinent  information  concerning  the  resource attributes a user may
       request for a Sun Grid Engine job via the qsub(1) -l option and for the
       interpretation of these parameters within the Sun Grid Engine system.

       The  Sun  Grid Engine complex object defines all entries which are used
       for configuring the global, the host, and queue object. The system  has
       a set of pre defined entries, which are assigned to a host or queue per
       default.  In a addition can the user define new entries and assign them
       to   one  or  multiple  objects.  Each  load  value  has  to  have  its
       corresponding complex entry object, which  defines  the  type  and  the
       relational operator for it.

   defining resource attributes
       The complex configuration should not be accessed directly.  In order to
       add or modify complex entries, the qconf(1) options -Mc and -mc  should
       be  used  instead.   While the -Mc option takes a complex configuration
       file as an argument and overrides the current  configuration,  the  -mc
       option   bring  up  an  editor  filled  in  with  the  current  complex
       configuration.

       The provided list contains all definitions of  resource  attributes  in
       the  system. Adding a new entry means to provide: name, shortcut, type,
       relop, requestable, consumable, default, and urgency.  The  fields  are
       described  below.  Changing one is easily done by updating the field to
       change and removing an entry by deleting its definition.  An  attribute
       can  only  be  removed,  when  it  is not referenced in a host or queue
       object anymore. Also does the system have a  set  of  default  resource
       attributes which are always attached to a host or queue. They cannot be
       deleted nor can the type of such an attribute be changed.

   working with resource attributes
       Before a user can request a resource attribute it has to be attached to
       the  global, host, or cqueue object. The resource attribute exists only
       for the objects, it got attached to ( if it is attached to  the  global
       object(qconf  -me  global),  it exits system wide, host object: only on
       that host (qconf -me NAME): cqueue object: only on that  cqueue  (qconf
       -mq NAME)).

       When  the user attached a resource attribute to an object, one also has
       to assign a value to it; the resource  limit.  Another  way  to  get  a
       resource  attribute value is done by configuring a load sensor for that
       attribute.

   Default queue resource attributes
       In its default form it contains a selection of parameters in the  queue
       configuration  as  defined  in  queue_conf(5).  The queue configuration
       parameters being requestable for a job by the user in principal are:

              qname
              hostname
              notify
              calendar
              min_cpu_interval
              tmpdir
              seq_no
              s_rt
              h_rt
              s_cpu
              h_cpu
              s_data
              h_data
              s_stack
              h_stack
              s_core
              h_core
              s_rss
              h_rss

   Default host resource attributes
       The standard set of host related attributes consists of two categories.
       he  first  category  is built by several queue configuration attributes
       which are particularly suitable to be managed on a  host  basis.  These
       attributes are:

              slots
              s_vmem
              h_vmem
              s_fsize
              h_fsize
       (please refer to queue_conf(5) for details).

       Note: Defining these attributes in the host complex is no contradiction
       to having them also in the queue configuration. It  allows  maintaining
       the  corresponding  resources on a host level and at the same time on a
       queue level. Total virtual free memory (h_vmem) can be  managed  for  a
       host,  for  example, and a subset of the total amount can be associated
       with a queue on that host.

       The second attribute category in the  standard  host  complex  are  the
       default  load  values  Every  sge_execd(8) periodically reports load to
       sge_qmaster(8).  The reported load values are either the  standard  Sun
       Grid Engine load values such as the CPU load average (see uptime(1)) or
       load values defined by the Sun  Grid  Engine  administration  (see  the
       load_sensor  parameter in the cluster configuration sge_conf(5) and the
       Sun Grid Engine Installation and  Administration  Guide  for  details).
       The  characteristics definition for the standard load values is part of
       the default host  complex,  while  administrator  defined  load  values
       require  extension  of  the  host  complex.  Please  refer  to the file
       <sge_root>/doc/load_parameters.asc  for  detailed  information  on  the
       standard set of load values.

   Overriding attributes
       One  attribute  can  be assigned to the global object, host object, and
       queue object at the same time. On the host level it might get its value
       from  the  user  defined resource limit and a load sensor. In case that
       the attribute is a consumable, we have  in  addition  to  the  resource
       limit  and its load report on host level also the internal usage, which
       the system keeps track of. The merge is done as follows:

       In general an attribute can be overridden on a lower level
          - global by hosts and queues
          - hosts by queues and load values or resource  limits  on  the  same
       level.

       We   have  one  limitation  for  overriding  attributes  based  on  its
       relational operator:

       !=, == operators can only be overridden on the same level, but not on a
       lower level. The user defined value always overrides the load value.

       >=,  >,  <=,  < operators can only be overridden, when the new value is
       more restrictive than the old one.

       In the case of a consumable on  host  level,  which  has  also  a  load
       sensor,  the  system  checks for the current usage, and if the internal
       accounting is  more  restrictive  than  the  load  sensor  report,  the
       internal  value is kept; if the load sensor report is more restrictive,
       that one is kept.

       Note, Sun Grid Engine allows backslashes (\) be used to escape  newline
       (\newline)  characters. The backslash and the newline are replaced with
       a space (" ") character before any interpretation.

FORMAT

       The principal format of a complex configuration is that of a  tabulated
       list.  Each  line starting with a '#' character is a comment line. Each
       line despite comment lines define one element of the complex. A element
       definition line consists of the following 8 column entries per line (in
       the order of appearance):

   name
       The name of the complex element to be used to  request  this  attribute
       for  a  job  in  the  qsub(1)  -l option. A complex attribute name (see
       complex_name  in  sge_types(1))  may  appear  only  once   across   all
       complexes, i.e. the complex attribute definition is unique.

   shortcut
       A  shortcut  for  name which may also be used to request this attribute
       for a job in the qsub(1) -l option. An attribute  shortcut  may  appear
       only  once  across  all  complexes,  so  as to avoid the possibility of
       ambiguous complex attribute references.

   type
       This setting determines how the corresponding values are to be  treated
       Sun  Grid  Engine  internally in case of comparisons or in case of load
       scaling for the load complex entries:

       o  With INT only raw integers are allowed.

       o  With DOUBLE floating point numbers in double precision (decimal  and
          scientific notation) can be specified.

       o  With  TIME time specifiers are allowed. Refer to queue_conf(5) for a
          format description.

       o  With  MEMORY  memory  size  specifiers   are   allowed.   Refer   to
          queue_conf(5) for a format description.

       o  With  BOOL  the  strings  TRUE and FALSE are allowed. When used in a
          load formula (refer to sched_conf(5) ) TRUE  and  FALSE  get  mapped
          into '1' and '0'.

       o  With STRING all strings are allowed and is used for wildcard regular
          boolean expression matching.  Please see  sge_types(1)  manpage  for
          expression definition.

          Examples:
           -l arch="*x24*|sol*"  :
                results in "arch=lx24-x86" OR "arch=lx24-amd64"
                   OR "arch=sol-sparc" OR "arch=sol-sparc64"
                   OR "arch=sol-x86" OR ...
           -l arch="sol-x??"  :
                results in "arch=sol-x86" OR "arch=sol-x64" OR ...
           -l arch="lx2[246]-x86"  :
                results in "arch=lx22-x86" OR "arch=lx24-x86"
                   OR "arch=lx26-x86"
           -l arch="lx2[4-6]-x86"  :
                results in "arch=lx24-x86" OR "arch=lx25-x86"
                   OR "arch=lx26-x86"
           -l arch="lx2[24-6]-x86"  :
                results in "arch=lx22-x86" OR "arch=lx24-x86"
                   OR "arch=lx25-x86" OR "arch=lx26-x86"
           -l arch="!lx24-x86&!sol-sparc"  :
                results in NEITHER "arch=lx24-x86" NOR "arch=sol-sparc"
           -l arch="lx2[4|6]-x86"  :
                results in "arch=lx2[4" OR "arch=6"

       o  CSTRING is like STRING except comparisons are case insensitive.

       o  RESTRING is like STRING and it will be deprecated in the future.

       o  HOST is like CSTRING but the expression must match a valid hostname.

   relop
       The  relation  operator.   The relation operator is used when the value
       requested by the user  for  this  parameter  is  compared  against  the
       corresponding value configured for the considered queues. If the result
       of the comparison is false, the job cannot run in this queue.  Possible
       relation  operators are "==", "<", ">", "<=", ">=" and "EXCL". The only
       valid operator for string type attributes is "==".

       The "EXCL" relation operator implements  exclusive  scheduling  and  is
       only  valid for consumable boolean type attributes. Exclusive means the
       result of the comparison is only true if a job requests to be exclusive
       and  no  other exclusive or non-exclusive jobs uses the complex. If the
       job does not request to be exclusive and no other  exclusive  job  uses
       the complex the comparison is also true.

   requestable
       The  entry  can  be used in a qsub(1) resource request if this field is
       set to 'y' or 'yes'.  If set to 'n' or 'no' this entry cannot  be  used
       by  a  user  in  order to request a queue or a class of queues.  If the
       entry is set to 'forced' or 'f' the attribute has to be requested by  a
       job or it is rejected.

       To  enable  resource  request enforcement the existence of the resource
       has to be defined. This can be done on a cluster global, per  host  and
       per  queue  basis. The definition of resource availability is performed
       with the complex_values entry in host_conf(5) and queue_conf(5).

   consumable
       The consumable parameter can be set to either 'yes' ('y'  abbreviated),
       'no'  ('n')  or  'JOB' ('j'). It can be set to 'yes' and 'JOB' only for
       numeric attributes (INT, DOUBLE, MEMORY, TIME - see type above). If set
       to  'yes' or 'JOB' the consumption of the corresponding resource can be
       managed by Sun Grid Engine internal bookkeeping. In this case Sun  Grid
       Engine  accounts  for  the consumption of this resource for all running
       jobs and ensures that jobs are only dispatched if the Sun  Grid  Engine
       internal  bookkeeping  indicates enough available consumable resources.
       Consumables are an efficient means to manage limited resources  such  a
       available  memory,  free  space  on a file system, network bandwidth or
       floating software licenses.

       A consumable defined by 'y' is a per slot consumables which  means  the
       limit is multiplied by the number of slots being used by the job before
       being applied.  In case of 'j' the consumable is a per job  consumable.
       This resource is debited as requested (without multiplication) from the
       allocated master queue. The resource needs not  be  available  for  the
       slave task queues.

       Consumables   can  be  combined  with  default  or  user  defined  load
       parameters (see sge_conf(5) and host_conf(5)), i.e. load values can  be
       reported  for  consumable  attributes or the consumable flag can be set
       for load attributes. The Sun Grid Engine consumable resource management
       takes  both  the  load (measuring availability of the resource) and the
       internal bookkeeping into account in this case,  and  makes  sure  that
       neither of both exceeds a given limit.

       To  enable  consumable  resource management the basic availability of a
       resource has to be defined. This can be done on a cluster  global,  per
       host  and  per  queue  basis  while these categories may supersede each
       other in the given order (i.e. a host can restrict  availability  of  a
       cluster  resource and a queue can restrict host and cluster resources).
       The  definition  of  resource  availability  is  performed   with   the
       complex_values   entry   in   host_conf(5)   and   queue_conf(5).   The
       complex_values definition of the "global" host specifies cluster global
       consumable   settings.  To  each  consumable  complex  attribute  in  a
       complex_values list a value  is  assigned  which  denotes  the  maximum
       available  amount  for  that  resource.  The  internal bookkeeping will
       subtract from this  total  the  assumed  resource  consumption  by  all
       running jobs as expressed through the jobs' resource requests.

       Note:  Jobs  can  be  forced  to request a resource and thus to specify
       their assumed consumption via the  'force'  value  of  the  requestable
       parameter (see above).

       Note  also:  A default resource consumption value can be pre-defined by
       the administrator for consumable attributes not explicitly requested by
       the  job  (see the default parameter below). This is meaningful only if
       requesting the attribute is not enforced as explained above.

       See the Sun Grid  Engine  Installation  and  Administration  Guide  for
       examples on the usage of the consumable resources facility.

   default
       Meaningful  only  for  consumable  complex  attributes  (see consumable
       parameter above). Sun Grid Engine assumes the resource  amount  denoted
       in  the  default  parameter  implicitly  to  be  consumed by jobs being
       dispatched to a host or queue managing the consumable  attribute.  Jobs
       explicitly  requesting  the  attribute  via  the  -l  option to qsub(1)
       override this default value.

   urgency
       The urgency value allows influencing job priorities on a  per  resource
       base.  The  urgency  value  effects  the  addend for each resource when
       determining the resource  request  related  urgency  contribution.  For
       numeric type resource requests the addend is the product of the urgency
       value, the jobs assumed slot allocation and the  per  slot  request  as
       specified  via  -l  option  to  qsub(1).   For string type requests the
       resources urgency value is directly used as addend. Urgency values  are
       of  type  real.  See  under  sge_priority(5)  for  an  overview  on job
       priorities.

SEE ALSO

       sge_intro(1), sge_types(1), qconf(1), qsub(1), uptime(1), host_conf(5),
       queue_conf(5), sge_execd(8), sge_qmaster(8)
       Sun Grid Engine Installation and Administration Guide.

COPYRIGHT

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