Merge branch '11369-dispatch-mem' refs #11369

[arvados.git] / services / crunch-dispatch-slurm / crunch-dispatch-slurm.go

diff --git a/services/crunch-dispatch-slurm/crunch-dispatch-slurm.go b/services/crunch-dispatch-slurm/crunch-dispatch-slurm.go
index 617b076da281a982b81f24ae9b7b7fe4d3897aee..cca8b3f1505de624c3b9f5775cec95c33e6b2b58 100644 (file)
--- a/services/crunch-dispatch-slurm/crunch-dispatch-slurm.go
+++ b/services/crunch-dispatch-slurm/crunch-dispatch-slurm.go
@@ -11,6 +11,7 @@ import (
        "math"
        "os"
        "os/exec"
+       "regexp"
        "strings"
        "time"
 
@@ -122,19 +123,48 @@ func doMain() error {
                log.Printf("Error notifying init daemon: %v", err)
        }
 
+       go checkSqueueForOrphans(dispatcher, sqCheck)
+
        return dispatcher.Run(context.Background())
 }
 
+var containerUuidPattern = regexp.MustCompile(`^[a-z0-9]{5}-dz642-[a-z0-9]{15}$`)
+
+// Check the next squeue report, and invoke TrackContainer for all the
+// containers in the report. This gives us a chance to cancel slurm
+// jobs started by a previous dispatch process that never released
+// their slurm allocations even though their container states are
+// Cancelled or Complete. See https://dev.arvados.org/issues/10979
+func checkSqueueForOrphans(dispatcher *dispatch.Dispatcher, sqCheck *SqueueChecker) {
+       for _, uuid := range sqCheck.All() {
+               if !containerUuidPattern.MatchString(uuid) {
+                       continue
+               }
+               err := dispatcher.TrackContainer(uuid)
+               if err != nil {
+                       log.Printf("checkSqueueForOrphans: TrackContainer(%s): %s", uuid, err)
+               }
+       }
+}
+
 // sbatchCmd
 func sbatchFunc(container arvados.Container) *exec.Cmd {
-       memPerCPU := math.Ceil(float64(container.RuntimeConstraints.RAM) / (float64(container.RuntimeConstraints.VCPUs) * 1048576))
+       mem := int64(math.Ceil(float64(container.RuntimeConstraints.RAM+container.RuntimeConstraints.KeepCacheRAM) / float64(1048576)))
+
+       var disk int64
+       for _, m := range container.Mounts {
+               if m.Kind == "tmp" {
+                       disk += m.Capacity
+               }
+       }
+       disk = int64(math.Ceil(float64(disk) / float64(1048576)))
 
        var sbatchArgs []string
-       sbatchArgs = append(sbatchArgs, "--share")
        sbatchArgs = append(sbatchArgs, theConfig.SbatchArguments...)
        sbatchArgs = append(sbatchArgs, fmt.Sprintf("--job-name=%s", container.UUID))
-       sbatchArgs = append(sbatchArgs, fmt.Sprintf("--mem-per-cpu=%d", int(memPerCPU)))
+       sbatchArgs = append(sbatchArgs, fmt.Sprintf("--mem=%d", mem))
        sbatchArgs = append(sbatchArgs, fmt.Sprintf("--cpus-per-task=%d", container.RuntimeConstraints.VCPUs))
+       sbatchArgs = append(sbatchArgs, fmt.Sprintf("--tmp=%d", disk))
        if len(container.SchedulingParameters.Partitions) > 0 {
                sbatchArgs = append(sbatchArgs, fmt.Sprintf("--partition=%s", strings.Join(container.SchedulingParameters.Partitions, ",")))
        }