diff --git a/prombench/manifests/prombench/benchmark/3b_prometheus-test_deployment.yaml b/prombench/manifests/prombench/benchmark/3b_prometheus-test_deployment.yaml
index 9223e1639..36a7eb7bb 100644
--- a/prombench/manifests/prombench/benchmark/3b_prometheus-test_deployment.yaml
+++ b/prombench/manifests/prombench/benchmark/3b_prometheus-test_deployment.yaml
@@ -1,18 +1,3 @@
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: data
-  namespace: prombench-{{ .PR_NUMBER }}
-data:
-  minio-config.yaml: |
-    type: S3
-    config:
-      bucket: thanos-bucket
-      endpoint: minio:9000
-      access_key: ROOTNAME
-      secret_key: CHANGEME123
-      insecure: true
----
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -49,7 +34,7 @@ spec:
         runAsUser: 0
       initContainers:
       - name: prometheus-builder
-        image: docker.io/prominfra/prometheus-builder:master
+        image: kushalshukla/builder
         imagePullPolicy: Always
         env:
         - name: PR_NUMBER
@@ -63,18 +48,20 @@ spec:
         volumeMounts:
         - name: prometheus-executable
           mountPath: /prometheus-builder
+        - name: config
+          mountPath: /config  
       - name: data-downloader
-        image: kushalshukla/writer:latest
-        imagePullPolicy: Always
+        image: kushalshukla/writer
+        imagePullPolicy: Always        
         volumeMounts:
         - name: instance-ssd
           mountPath: /data
-        - name: minio-config
-          mountPath: /mnc  
+        - name: config
+          mountPath: /mnc                                   
         args: [
           "download",
         "--tsdb-path=/data", 
-        "--objstore.config-file=/mnc/minio-config.yaml",
+        "--objstore.config-file=/mnc/objectconfig.yml",
         "--key=gendata"
         ]  
       containers:
@@ -112,14 +99,14 @@ spec:
       - name: config-volume
         configMap:
           name: prometheus-test
-      - name: minio-config
-        configMap:
-          name: data    
       - name: instance-ssd
         hostPath:
           path: /mnt/disks/ssd0 #gke ssds
       - name: prometheus-executable
         emptyDir: {}
+      - name: config
+        hostPath:
+          path: /config-file 
       terminationGracePeriodSeconds: 300
       nodeSelector:
         node-name: prometheus-{{ .PR_NUMBER }}
@@ -176,11 +163,42 @@ spec:
                 - prometheus
       securityContext:
         runAsUser: 0
+      initContainers:
+      - name: git-fetcher
+        image: alpine/git
+        command:
+          - /bin/sh
+          - -c
+          - |
+            apk add --no-cache bash && \
+            git clone --depth 1 https://github.com/{{ .GITHUB_ORG }}/{{ .GITHUB_REPO }}.git /repo1 && \
+            cd /repo1 && \
+            git fetch origin pull/{{ .PR_NUMBER }}/head:pr-branch && \
+            git checkout pr-branch && \
+            cp  objectconfig.yml /mnt/repo/objectconfig.yml && \
+            rm -rf /repo1
+        volumeMounts:
+        - name: config
+          mountPath: /mnt/repo
+      - name: data-downloader
+        image: kushalshukla/writer
+        imagePullPolicy: Always        
+        volumeMounts:
+        - name: instance-ssd
+          mountPath: /data
+        - name: config
+          mountPath: /mnc                                   
+        args: [
+          "download",
+        "--tsdb-path=/data", 
+        "--objstore.config-file=/mnc/objectconfig.yml",
+        "--key=gendata"
+        ]            
       containers:
       - name: prometheus
         image: quay.io/prometheus/prometheus:{{ .RELEASE }}
         imagePullPolicy: Always
-        command: [ "/bin/prometheus" ]
+        command: [ "/bin/prometheus"]
         args: [
           "--web.external-url=http://{{ .DOMAIN_NAME }}/{{ .PR_NUMBER }}/prometheus-release",
           "--storage.tsdb.path=/prometheus",
@@ -204,6 +222,9 @@ spec:
           # /mnt is where GKE keeps it's SSD
           # don't change this if you want Prometheus to take advantage of these local SSDs
           path: /mnt/disks/ssd0
+      - name: config
+        hostPath:
+          path: /object-config        
       terminationGracePeriodSeconds: 300
       nodeSelector:
         node-name: prometheus-{{ .PR_NUMBER }}
diff --git a/tools/block-sync/Dockerfile b/tools/block-sync/Dockerfile
index 99e17d37a..345c044ba 100644
--- a/tools/block-sync/Dockerfile
+++ b/tools/block-sync/Dockerfile
@@ -3,8 +3,8 @@ LABEL maintainer="The Prometheus Authors <prometheus-developers@googlegroups.com
 
 RUN apk --no-cache add libc6-compat
 
-COPY ./block-sync /bin/blocksyncer
+COPY ./block-sync /bin/block-sync
 
-RUN chmod +x /bin/blocksyncer
+RUN chmod +x /bin/block-sync
 
-ENTRYPOINT ["/bin/blocksyncer"]
+ENTRYPOINT ["/bin/block-sync"]
diff --git a/tools/block-sync/upload_download.go b/tools/block-sync/upload_download.go
index 27e2dc765..3ef72bd68 100644
--- a/tools/block-sync/upload_download.go
+++ b/tools/block-sync/upload_download.go
@@ -62,7 +62,7 @@ func (c *Store) upload(ctx context.Context) error {
 	err = objstore.UploadDir(ctx, log.NewNopLogger(), c.bucket, c.tsdbpath, c.objectkey)
 	if err != nil {
 		c.bucketlogger.Error("Failed to upload directory", "path", c.tsdbpath, "error", err)
-		return fmt.Errorf("failed to upload directory from path %s to bucket: %v", c.tsdbpath, err)
+		return fmt.Errorf("failed to upload directory from path %s to bucket: %w", c.tsdbpath, err)
 	}
 
 	c.bucketlogger.Info("Successfully uploaded directory", "path", c.tsdbpath, "bucket", c.bucket.Name())
@@ -79,7 +79,7 @@ func (c *Store) download(ctx context.Context) error {
 	err = objstore.DownloadDir(ctx, log.NewNopLogger(), c.bucket, "dir/", c.objectkey, c.tsdbpath)
 	if err != nil {
 		c.bucketlogger.Error("Failed to download directory", "path", c.tsdbpath, "error", err)
-		return fmt.Errorf("failed to download directory from path %s to bucket: %v", c.tsdbpath, err)
+		return fmt.Errorf("failed to download directory from path %s to bucket: %w", c.tsdbpath, err)
 	}
 
 	c.bucketlogger.Info("Successfully downloaded directory", "path", c.tsdbpath, "bucket", c.bucket.Name())
diff --git a/tools/prometheus-builder/build.sh b/tools/prometheus-builder/build.sh
index a07328e62..a37e040e4 100755
--- a/tools/prometheus-builder/build.sh
+++ b/tools/prometheus-builder/build.sh
@@ -6,7 +6,7 @@ if [[ -z $PR_NUMBER || -z $VOLUME_DIR || -z $GITHUB_ORG || -z $GITHUB_REPO ]]; t
     echo "ERROR:: environment variables not set correctly"
     exit 1;
 fi
-
+ 
 # Clone the repository with a shallow clone
 echo ">> Cloning repository $GITHUB_ORG/$GITHUB_REPO (shallow clone)"
 if ! git clone --depth 1 https://github.com/$GITHUB_ORG/$GITHUB_REPO.git $DIR; then
@@ -24,6 +24,9 @@ fi
 
 git checkout pr-branch
 
+MKDIR="/config"
+cp  "$DIR/objectconfig.yml" "$MKDIR/objectconfig.yml"
+
 echo ">> Creating prometheus binaries"
 if ! make build PROMU_BINARIES="prometheus"; then
     echo "ERROR:: Building of binaries failed"