diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/podman/root.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/cmd/podman/root.go b/cmd/podman/root.go index 59d536d0b..b62ee144a 100644 --- a/cmd/podman/root.go +++ b/cmd/podman/root.go @@ -4,12 +4,14 @@ import ( "fmt" "os" "path" + "runtime" "runtime/pprof" "strings" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/cmd/podman/validate" "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/parallel" "github.com/containers/libpod/pkg/rootless" "github.com/containers/libpod/pkg/tracing" "github.com/containers/libpod/version" @@ -137,6 +139,13 @@ func persistentPreRunE(cmd *cobra.Command, args []string) error { opentracing.StartSpanFromContext(cfg.SpanCtx, cmd.Name()) } + if cfg.MaxWorks <= 0 { + return errors.Errorf("maximum workers must be set to a positive number (got %d)", cfg.MaxWorks) + } + if err := parallel.SetMaxThreads(uint(cfg.MaxWorks)); err != nil { + return err + } + // Setup Rootless environment, IFF: // 1) in ABI mode // 2) running as non-root @@ -216,7 +225,7 @@ func rootFlags(opts *entities.PodmanConfig, flags *pflag.FlagSet) { flags.StringVar(&cfg.Containers.DefaultMountsFile, "default-mounts-file", cfg.Containers.DefaultMountsFile, "Path to default mounts file") flags.StringVar(&cfg.Engine.EventsLogger, "events-backend", cfg.Engine.EventsLogger, `Events backend to use ("file"|"journald"|"none")`) flags.StringSliceVar(&cfg.Engine.HooksDir, "hooks-dir", cfg.Engine.HooksDir, "Set the OCI hooks directory path (may be set multiple times)") - flags.IntVar(&opts.MaxWorks, "max-workers", 0, "The maximum number of workers for parallel operations") + flags.IntVar(&opts.MaxWorks, "max-workers", (runtime.NumCPU()*3)+1, "The maximum number of workers for parallel operations") flags.StringVar(&cfg.Engine.Namespace, "namespace", cfg.Engine.Namespace, "Set the libpod namespace, used to create separate views of the containers and pods on the system") flags.StringVar(&cfg.Engine.StaticDir, "root", "", "Path to the root directory in which data, including images, is stored") flags.StringVar(&opts.RegistriesConf, "registries-conf", "", "Path to a registries.conf to use for image processing") |