diff --git a/examples/local.js b/examples/local.js
index 79161b9..af88ada 100644
--- a/examples/local.js
+++ b/examples/local.js
@@ -1,7 +1,8 @@
 import local from 'k6/x/frostfs/local';
+import datagen from 'k6/x/frostfs/datagen';
 import { uuidv4 } from '../scenarios/libs/k6-utils-1.4.0.js';
 
-const payload = open('../go.sum', 'b');
+const generator = datagen.generator(1024, "random", false);
 const local_cli = local.connect("/path/to/config.yaml", "/path/to/config/dir", "", false)
 
 export const options = {
@@ -15,6 +16,7 @@ export default function () {
         'unique_header': uuidv4()
     }
     const container_id = '6BVPPXQewRJ6J5EYmAPLczXxNocS7ikyF7amS2esWQnb';
+    const payload = generator.genPayload()
     let resp = local_cli.put(container_id, headers, payload)
     if (resp.success) {
         local_cli.get(container_id, resp.object_id)
diff --git a/examples/native.js b/examples/native.js
index 7764fec..38be727 100644
--- a/examples/native.js
+++ b/examples/native.js
@@ -1,8 +1,9 @@
 import native from 'k6/x/frostfs/native';
+import datagen from 'k6/x/frostfs/datagen';
 import { fail } from "k6";
 import { uuidv4 } from '../scenarios/libs/k6-utils-1.4.0.js';
 
-const payload = open('../go.sum', 'b');
+const generator = datagen.generator(1024, "random", false);
 const frostfs_cli = native.connect("s01.frostfs.devenv:8080", "1dd37fba80fec4e6a6f13fd708d8dcb3b29def768017052f6c930fa1c5d90bbb", 0, 0, false, 0)
 
 export const options = {
@@ -27,6 +28,7 @@ export function setup() {
 }
 
 export default function (data) {
+    const payload = generator.genPayload()
     let headers = {
         'unique_header': uuidv4()
     }
diff --git a/examples/native_onsite.js b/examples/native_onsite.js
index ba71460..e5a556d 100644
--- a/examples/native_onsite.js
+++ b/examples/native_onsite.js
@@ -1,7 +1,9 @@
 import native from 'k6/x/frostfs/native';
+import datagen from 'k6/x/frostfs/datagen';
 import { uuidv4 } from '../scenarios/libs/k6-utils-1.4.0.js';
 
-const payload = open('../go.sum', 'b');
+const generator = datagen.generator(1024, "random", false);
+const payload = generator.genPayload()
 const container = "AjSxSNNXbJUDPqqKYm1VbFVDGCakbpUNH8aGjPmGAH3B"
 const frostfs_cli = native.connect("s01.frostfs.devenv:8080", "", 0, 0, false, 0)
 const frostfs_obj = frostfs_cli.onsite(container, payload)
diff --git a/examples/s3.js b/examples/s3.js
index 6e73ec6..8acc5ea 100644
--- a/examples/s3.js
+++ b/examples/s3.js
@@ -1,8 +1,9 @@
 import s3 from 'k6/x/frostfs/s3';
+import datagen from 'k6/x/frostfs/datagen';
 import { fail } from 'k6'
 import { uuidv4 } from '../scenarios/libs/k6-utils-1.4.0.js';
 
-const payload = open('../go.sum', 'b');
+const generator = datagen.generator(1024, "random", false);
 const bucket = "cats"
 const s3_cli = s3.connect("https://s3.frostfs.devenv:8080", {'no_verify_ssl': 'true'})
 
@@ -16,7 +17,6 @@ export function setup() {
     const params = {
         acl: 'private',
         lock_enabled: 'true',
-        location_constraint: 'ru'
     }
 
     const res = s3_cli.createBucket(bucket, params)
@@ -27,6 +27,7 @@ export function setup() {
 
 export default function () {
     const key = uuidv4();
+    const payload = generator.genPayload()
     if (s3_cli.put(bucket, key, payload).success) {
         s3_cli.get(bucket, key)
     }
diff --git a/examples/s3local.js b/examples/s3local.js
index a88cb55..6b3acee 100644
--- a/examples/s3local.js
+++ b/examples/s3local.js
@@ -1,14 +1,16 @@
 import s3local from 'k6/x/frostfs/s3local';
+import datagen from 'k6/x/frostfs/datagen';
 import { uuidv4 } from '../scenarios/libs/k6-utils-1.4.0.js';
 
 const bucket = "testbucket"
-const payload = open('../go.sum', 'b');
+const generator = datagen.generator(1024, "random", false);
 const s3local_cli = s3local.connect("path/to/storage/config.yml", "path/to/storage/config/dir", {}, {
     'testbucket': 'GBQDDUM1hdodXmiRHV57EUkFWJzuntsG8BG15wFSwam6',
 });
 
 export default function () {
     const key = uuidv4();
+    const payload = generator.genPayload()
     if (s3local_cli.put(bucket, key, payload).success) {
         s3local_cli.get(bucket, key)
     }