reduce memory usage

weed/command/mount.go

@@ -20,7 +20,9 @@ type MountOptions struct {
 }
 
 var (
-	mountOptions MountOptions
+	mountOptions    MountOptions
+	mountCpuProfile *string
+	mountMemProfile *string
 )
 
 func init() {
@@ -35,6 +37,8 @@ func init() {
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
 	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 16, "local write buffer size, also chunk large files")
 	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
+	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
+	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")
 }
 
 var cmdMount = &Command{

weed/command/mount_std.go

@@ -28,6 +28,8 @@ func runMount(cmd *Command, args []string) bool {
 
 	fuse.Unmount(*mountOptions.dir)
 
+	util.SetupProfiling(*mountCpuProfile, *mountMemProfile)
+
 	c, err := fuse.Mount(
 		*mountOptions.dir,
 		fuse.VolumeName("SeaweedFS"),