diff --git a/pkg/schema/schemas/job-data.schema.json b/pkg/schema/schemas/job-data.schema.json
index d1ad1f1..a6e4811 100644
--- a/pkg/schema/schemas/job-data.schema.json
+++ b/pkg/schema/schemas/job-data.schema.json
@@ -86,8 +86,8 @@
             },
             "minProperties": 1
         },
-        "cpu_used": {
-            "description": "CPU active core utilization",
+        "cpu_user": {
+            "description": "CPU user active core utilization",
             "properties": {
                 "node": {
                     "$ref": "embedfs://job-metric-data.schema.json"
diff --git a/pkg/schema/schemas/job-meta.schema.json b/pkg/schema/schemas/job-meta.schema.json
index ad4c05b..1e9ad5c 100644
--- a/pkg/schema/schemas/job-meta.schema.json
+++ b/pkg/schema/schemas/job-meta.schema.json
@@ -193,8 +193,8 @@
                     "description": "Instructions executed per cycle",
                     "$ref": "embedfs://job-metric-statistics.schema.json"
                 },
-                "cpu_used": {
-                    "description": "CPU active core utilization",
+                "cpu_user": {
+                    "description": "CPU user active core utilization",
                     "$ref": "embedfs://job-metric-statistics.schema.json"
                 },
                 "flops_dp": {
@@ -326,7 +326,7 @@
                 }
             },
             "required": [
-                "cpu_used",
+                "cpu_user",
                 "mem_used",
                 "flops_any",
                 "mem_bw"
diff --git a/tools/archive-migration/main.go b/tools/archive-migration/main.go
index a1dd58d..6a37f4a 100644
--- a/tools/archive-migration/main.go
+++ b/tools/archive-migration/main.go
@@ -13,6 +13,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"sync"
 
 	"github.com/ClusterCockpit/cc-backend/pkg/schema"
 	"github.com/ClusterCockpit/cc-backend/pkg/units"
@@ -52,21 +53,39 @@ func deepCopyJobMeta(j *JobMeta) schema.JobMeta {
 		var rn schema.Resource
 		rn.Hostname = ro.Hostname
 		rn.Configuration = ro.Configuration
+		hwt := make([]int, len(ro.HWThreads))
 		if ro.HWThreads != nil {
-			hwt := make([]int, len(ro.HWThreads))
 			copy(hwt, ro.HWThreads)
 		}
+		rn.HWThreads = hwt
+		acc := make([]string, len(ro.Accelerators))
 		if ro.Accelerators != nil {
-			acc := make([]string, len(ro.Accelerators))
 			copy(acc, ro.Accelerators)
 		}
+		rn.Accelerators = acc
 		jn.Resources = append(jn.Resources, &rn)
 	}
+	jn.MetaData = make(map[string]string)
 
 	for k, v := range j.MetaData {
 		jn.MetaData[k] = v
 	}
 
+	jn.Statistics = make(map[string]schema.JobStatistics)
+	for k, v := range j.Statistics {
+		var sn schema.JobStatistics
+		sn.Avg = v.Avg
+		sn.Max = v.Max
+		sn.Min = v.Min
+		tmpUnit := units.ConvertUnitString(v.Unit)
+		if tmpUnit.Base == "inval" {
+			sn.Unit = schema.Unit{Base: ""}
+		} else {
+			sn.Unit = tmpUnit
+		}
+		jn.Statistics[k] = sn
+	}
+
 	//optional properties
 	jn.Partition = j.Partition
 	jn.ArrayJobId = j.ArrayJobId
@@ -83,13 +102,23 @@ func deepCopyJobMeta(j *JobMeta) schema.JobMeta {
 	return jn
 }
 
-func deepCopyJobData(d *JobData) schema.JobData {
+func deepCopyJobData(d *JobData) *schema.JobData {
 	var dn = make(schema.JobData)
 
 	for k, v := range *d {
+		// fmt.Printf("Metric %s\n", k)
+		dn[k] = make(map[schema.MetricScope]*schema.JobMetric)
+
 		for mk, mv := range v {
+			// fmt.Printf("Scope %s\n", mk)
 			var mn schema.JobMetric
-			mn.Unit = units.ConvertUnitString(mv.Unit)
+			tmpUnit := units.ConvertUnitString(mv.Unit)
+			if tmpUnit.Base == "inval" {
+				mn.Unit = schema.Unit{Base: ""}
+			} else {
+				mn.Unit = tmpUnit
+			}
+
 			mn.Timestep = mv.Timestep
 
 			for _, v := range mv.Series {
@@ -112,12 +141,12 @@ func deepCopyJobData(d *JobData) schema.JobData {
 				mn.Series = append(mn.Series, sn)
 			}
 
-			dn[k] = make(map[schema.MetricScope]*schema.JobMetric)
 			dn[k][mk] = &mn
 		}
+		// fmt.Printf("FINISH %s\n", k)
 	}
 
-	return dn
+	return &dn
 }
 
 func deepCopyClusterConfig(co *Cluster) schema.Cluster {
@@ -162,12 +191,18 @@ func deepCopyClusterConfig(co *Cluster) schema.Cluster {
 			mcn.Aggregation = mco.Aggregation
 		}
 		mcn.Timestep = mco.Timestep
-		mcn.Unit = units.ConvertUnitString(mco.Unit)
+		tmpUnit := units.ConvertUnitString(mco.Unit)
+		if tmpUnit.Base == "inval" {
+			mcn.Unit = schema.Unit{Base: ""}
+		} else {
+			mcn.Unit = tmpUnit
+		}
 		mcn.Peak = mco.Peak
 		mcn.Normal = mco.Normal
 		mcn.Caution = mco.Caution
 		mcn.Alert = mco.Alert
 		mcn.SubClusters = mco.SubClusters
+
 		cn.MetricConfig = append(cn.MetricConfig, &mcn)
 	}
 
@@ -223,11 +258,15 @@ func main() {
 		}
 	}
 
+	var wg sync.WaitGroup
+
 	for job := range ar.Iter() {
 		// fmt.Printf("Job %d\n", job.JobID)
 		job := job
+		wg.Add(1)
 
 		go func() {
+			defer wg.Done()
 			path := getPath(job, dstPath, "meta.json")
 			err = os.MkdirAll(filepath.Dir(path), 0750)
 			if err != nil {
@@ -257,7 +296,7 @@ func main() {
 				log.Fatal(err)
 			}
 			jdn := deepCopyJobData(jd)
-			if err := EncodeJobData(f, &jdn); err != nil {
+			if err := EncodeJobData(f, jdn); err != nil {
 				log.Fatal(err)
 			}
 			if err := f.Close(); err != nil {
@@ -266,5 +305,6 @@ func main() {
 		}()
 	}
 
+	wg.Wait()
 	os.WriteFile(filepath.Join(dstPath, "version.txt"), []byte(fmt.Sprintf("%d", Version)), 0644)
 }