+
+ControlMachine=uuid_prefix.your.domain
+SlurmctldPort=6817
+SlurmdPort=6818
+AuthType=auth/munge
+StateSaveLocation=/tmp
+SlurmdSpoolDir=/tmp/slurmd
+SwitchType=switch/none
+MpiDefault=none
+SlurmctldPidFile=/var/run/slurmctld.pid
+SlurmdPidFile=/var/run/slurmd.pid
+ProctrackType=proctrack/pgid
+CacheGroups=0
+ReturnToService=2
+TaskPlugin=task/affinity
+#
+# TIMERS
+SlurmctldTimeout=300
+SlurmdTimeout=300
+InactiveLimit=0
+MinJobAge=300
+KillWait=30
+Waittime=0
+#
+# SCHEDULING
+SchedulerType=sched/backfill
+SchedulerPort=7321
+SelectType=select/cons_res
+SelectTypeParameters=CR_CPU_Memory
+FastSchedule=1
+#
+# LOGGING
+SlurmctldDebug=3
+#SlurmctldLogFile=
+SlurmdDebug=3
+#SlurmdLogFile=
+JobCompType=jobcomp/none
+#JobCompLoc=
+JobAcctGatherType=jobacct_gather/none
+#
+# COMPUTE NODES
+NodeName=DEFAULT
+PartitionName=DEFAULT MaxTime=INFINITE State=UP
+PartitionName=compute Default=YES Shared=yes
+
+NodeName=compute[0-255]
+
+PartitionName=compute Nodes=compute[0-255]
+
+
+
+Please make sure to update the value of the @ControlMachine@ parameter to the hostname of your dispatcher (API server).
-On compute nodes and controller:
+h2. Enable SLURM job dispatch
-* @adduser crunch@
+In your API server's @application.yml@ configuration file, add the line @crunch_job_wrapper: :slurm_immediate@ under the appropriate section. (The second colon is not a typo. It denotes a Ruby symbol.)
-The crunch user should have the same UID, GID, and home directory on all compute nodes and on the controller.
+h2. Crunch user account
-h4. Repositories
+Run @sudo adduser crunch@. The crunch user should have the same UID, GID, and home directory on all compute nodes and on the dispatcher (API server).
+
+h2. Git Repositories
Crunch scripts must be in Git repositories in the directory configured as @git_repositories_dir@/*.git (see the "API server installation":install-api-server.html#git_repositories_dir).
@@ -56,12 +118,12 @@ Without getting this error:
ArgumentError: Specified script_version does not resolve to a commit
-h4. Running jobs
+h2. Running jobs
* @services/api/script/crunch-dispatch.rb@ must be running.
* @crunch-dispatch.rb@ needs @services/crunch/crunch-job@ in its @PATH@.
-* @crunch-job@ needs @sdk/perl/lib@ and @warehouse-apps/libwarehouse-perl/lib@ in its @PERLLIB@
-* @crunch-job@ needs @ARVADOS_API_HOST@ (and, if necessary in a development environment, @ARVADOS_API_HOST_INSECURE@)
+* @crunch-job@ needs the installation path of the Perl SDK in its @PERLLIB@.
+* @crunch-job@ needs the @ARVADOS_API_HOST@ (and, if necessary in a development environment, @ARVADOS_API_HOST_INSECURE@) environment variable set.
Example @/var/service/arvados_crunch_dispatch/run@ script:
@@ -77,6 +139,10 @@ export PATH="$PATH":/path/to/arvados/services/crunch
export ARVADOS_API_HOST={{ site.arvados_api_host }}
export CRUNCH_DISPATCH_LOCKFILE=/var/lock/crunch-dispatch
+# This is the path to docker on your compute nodes. You might need to
+# change it to "docker", "/opt/bin/docker", etc.
+export CRUNCH_JOB_DOCKER_BIN=docker.io
+
fuser -TERM -k $CRUNCH_DISPATCH_LOCKFILE || true
## Only if your SSL cert is unverifiable: