diff --git a/scenarios/grpc_car.js b/scenarios/grpc_car.js
new file mode 100644
index 0000000..59cc96c
--- /dev/null
+++ b/scenarios/grpc_car.js
@@ -0,0 +1,198 @@
+import datagen from 'k6/x/frostfs/datagen';
+import native from 'k6/x/frostfs/native';
+import logging from 'k6/x/frostfs/logging';
+import registry from 'k6/x/frostfs/registry';
+import { SharedArray } from 'k6/data';
+import { sleep } from 'k6';
+import { textSummary } from './libs/k6-summary-0.0.2.js';
+import { parseEnv } from './libs/env-parser.js';
+import { uuidv4 } from './libs/k6-utils-1.4.0.js';
+
+parseEnv();
+
+const obj_list = new SharedArray('obj_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
+});
+
+const container_list = new SharedArray('container_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).containers;
+});
+
+const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
+const summary_json = __ENV.SUMMARY_JSON || "/tmp/summary.json";
+
+// Select random gRPC endpoint for current VU
+const grpc_endpoints = __ENV.GRPC_ENDPOINTS.split(',');
+const grpc_endpoint = grpc_endpoints[Math.floor(Math.random() * grpc_endpoints.length)];
+const grpc_client = native.connect(grpc_endpoint, '', __ENV.DIAL_TIMEOUT ? parseInt(__ENV.DIAL_TIMEOUT) : 5, __ENV.STREAM_TIMEOUT ? parseInt(__ENV.STREAM_TIMEOUT) : 60);
+const log = logging.new().withField("endpoint", grpc_endpoint);
+
+const registry_enabled = !!__ENV.REGISTRY_FILE;
+const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
+
+const duration = __ENV.DURATION;
+
+const delete_age = __ENV.DELETE_AGE ? parseInt(__ENV.DELETE_AGE) : undefined;
+let obj_to_delete_selector = undefined;
+if (registry_enabled && delete_age) {
+    obj_to_delete_selector = registry.getSelector(
+        __ENV.REGISTRY_FILE,
+        "obj_to_delete",
+        __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0,
+        {
+            status: "created",
+            age: delete_age,
+        }
+    );
+}
+
+
+const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
+
+const scenarios = {};
+
+const time_unit = __ENV.TIME_UNIT || '1s';
+const pre_alloc_write_vus = parseInt(__ENV.PRE_ALLOC_WRITERS || '0');
+const max_write_vus = parseInt(__ENV.MAX_WRITERS || pre_alloc_write_vus);
+const write_rate = parseInt(__ENV.WRITE_RATE || '0');
+if (write_rate > 0) {
+    scenarios.write = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_write_vus,
+        maxVUs: max_write_vus,
+        rate: write_rate,
+        timeUnit: time_unit,
+        exec: 'obj_write', 
+        gracefulStop: '5s',
+    };
+}
+
+const pre_alloc_read_vus = parseInt(__ENV.PRE_ALLOC_READERS || '0');
+const max_read_vus = parseInt(__ENV.MAX_READERS || pre_alloc_read_vus);
+const read_rate = parseInt(__ENV.READ_RATE || '0');
+if (read_rate > 0) {
+    scenarios.read = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_write_vus,
+        maxVUs: max_read_vus,
+        rate: read_rate,
+        timeUnit: time_unit,
+        exec: 'obj_read', 
+        gracefulStop: '5s',
+    };
+}
+
+const pre_alloc_delete_vus = parseInt(__ENV.PRE_ALLOC_DELETERS || '0');
+const max_delete_vus = parseInt(__ENV.MAX_DELETERS || pre_alloc_write_vus);
+const delete_rate = parseInt(__ENV.DELETE_RATE || '0');
+if (delete_rate > 0) {
+    if (!obj_to_delete_selector) {
+        throw new Error('Positive DELETE worker number without a proper object selector');
+    }
+
+    scenarios.delete = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_delete_vus,
+        maxVUs: max_delete_vus,
+        rate: delete_rate,
+        timeUnit: time_unit,
+        exec: 'obj_delete', 
+        gracefulStop: '5s',
+    };
+}
+
+export const options = {
+    scenarios,
+    setupTimeout: '5s',
+};
+
+export function setup() {
+    const total_pre_allocated_vu_count = pre_alloc_write_vus + pre_alloc_read_vus + pre_alloc_delete_vus;
+    const total_max_vu_count = max_read_vus + max_write_vus + max_delete_vus
+
+    console.log(`Pregenerated containers:       ${container_list.length}`);
+    console.log(`Pregenerated read object size: ${read_size}`);
+    console.log(`Pregenerated total objects:    ${obj_list.length}`);
+    console.log(`Pre allocated reading VUs:     ${pre_alloc_read_vus}`);
+    console.log(`Pre allocated writing VUs:     ${pre_alloc_write_vus}`);
+    console.log(`Pre allocated deleting VUs:    ${pre_alloc_delete_vus}`);
+    console.log(`Total pre allocated VUs:       ${total_pre_allocated_vu_count}`);
+    console.log(`Max reading VUs:               ${max_read_vus}`);
+    console.log(`Max writing VUs:               ${max_write_vus}`);
+    console.log(`Max deleting VUs:              ${max_delete_vus}`);
+    console.log(`Total max VUs:                 ${total_max_vu_count}`);
+    console.log(`Time unit:                     ${time_unit}`);
+    console.log(`Read rate:                     ${read_rate}`);
+    console.log(`Writing rate:                  ${write_rate}`);
+    console.log(`Delete rate:                   ${delete_rate}`);
+}
+
+export function teardown(data) {
+    if (obj_registry) {
+        obj_registry.close();
+    }
+}
+
+export function handleSummary(data) {
+    return {
+        'stdout': textSummary(data, { indent: ' ', enableColors: false }),
+        [summary_json]: JSON.stringify(data),
+    };
+}
+
+export function obj_write() {
+    if (__ENV.SLEEP_WRITE) {
+        sleep(__ENV.SLEEP_WRITE);
+    }
+
+    const headers = {
+        unique_header: uuidv4()
+    };
+    const container = container_list[Math.floor(Math.random() * container_list.length)];
+
+    const { payload, hash } = generator.genPayload(registry_enabled);
+    const resp = grpc_client.put(container, headers, payload);
+    if (!resp.success) {
+        log.withField("cid", container).error(resp.error);
+        return;
+    }
+
+    if (obj_registry) {
+        obj_registry.addObject(container, resp.object_id, "", "", hash);
+    }
+}
+
+export function obj_read() {
+    if (__ENV.SLEEP_READ) {
+        sleep(__ENV.SLEEP_READ);
+    }
+
+    const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
+    const resp = grpc_client.get(obj.container, obj.object)
+    if (!resp.success) {
+        log.withFields({cid: obj.container, oid: obj.object}).error(resp.error);
+    }
+}
+
+export function obj_delete() {
+    if (__ENV.SLEEP_DELETE) {
+        sleep(__ENV.SLEEP_DELETE);
+    }
+
+    const obj = obj_to_delete_selector.nextObject();
+    if (!obj) {
+        return;
+    }
+
+    const resp = grpc_client.delete(obj.c_id, obj.o_id);
+    if (!resp.success) {
+        // Log errors except (2052 - object already deleted)
+        log.withFields({cid: obj.c_id, oid: obj.o_id}).error(resp.error);
+        return;
+    }
+
+    obj_registry.deleteObject(obj.id);
+}
diff --git a/scenarios/s3_car.js b/scenarios/s3_car.js
new file mode 100644
index 0000000..4d46a45
--- /dev/null
+++ b/scenarios/s3_car.js
@@ -0,0 +1,197 @@
+import datagen from 'k6/x/frostfs/datagen';
+import logging from 'k6/x/frostfs/logging';
+import registry from 'k6/x/frostfs/registry';
+import s3 from 'k6/x/frostfs/s3';
+import { SharedArray } from 'k6/data';
+import { sleep } from 'k6';
+import { textSummary } from './libs/k6-summary-0.0.2.js';
+import { parseEnv } from './libs/env-parser.js';
+import { uuidv4 } from './libs/k6-utils-1.4.0.js';
+
+parseEnv();
+
+const obj_list = new SharedArray('obj_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
+});
+
+const bucket_list = new SharedArray('bucket_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).buckets;
+});
+
+const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
+const summary_json = __ENV.SUMMARY_JSON || "/tmp/summary.json";
+
+// Select random S3 endpoint for current VU
+const s3_endpoints = __ENV.S3_ENDPOINTS.split(',');
+const s3_endpoint = s3_endpoints[Math.floor(Math.random() * s3_endpoints.length)];
+const s3_client = s3.connect(`http://${s3_endpoint}`);
+const log = logging.new().withField("endpoint", s3_endpoint);
+
+const registry_enabled = !!__ENV.REGISTRY_FILE;
+const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
+
+const duration = __ENV.DURATION;
+
+const delete_age = __ENV.DELETE_AGE ? parseInt(__ENV.DELETE_AGE) : undefined;
+let obj_to_delete_selector = undefined;
+if (registry_enabled && delete_age) {
+    obj_to_delete_selector = registry.getSelector(
+        __ENV.REGISTRY_FILE,
+        "obj_to_delete",
+        __ENV.SELECTION_SIZE ? parseInt(__ENV.SELECTION_SIZE) : 0,
+        {
+            status: "created",
+            age: delete_age,
+        }
+    );
+}
+
+const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE));
+
+const scenarios = {};
+
+const time_unit = __ENV.TIME_UNIT || '1s';
+const pre_alloc_write_vus = parseInt(__ENV.PRE_ALLOC_WRITERS || '0');
+const max_write_vus = parseInt(__ENV.MAX_WRITERS || pre_alloc_write_vus);
+const write_rate = parseInt(__ENV.WRITE_RATE || '0');
+if (write_rate > 0) {
+    scenarios.write = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_write_vus,
+        maxVUs: max_write_vus,
+        rate: write_rate,
+        timeUnit: time_unit,
+        exec: 'obj_write', 
+        gracefulStop: '5s',
+    };
+}
+
+
+const pre_alloc_read_vus = parseInt(__ENV.PRE_ALLOC_READERS || '0');
+const max_read_vus = parseInt(__ENV.MAX_READERS || pre_alloc_read_vus);
+const read_rate = parseInt(__ENV.READ_RATE || '0');
+if (read_rate > 0) {
+    scenarios.read = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_write_vus,
+        maxVUs: max_read_vus,
+        rate: read_rate,
+        timeUnit: time_unit,
+        exec: 'obj_read', 
+        gracefulStop: '5s',
+    };
+}
+
+
+const pre_alloc_delete_vus = parseInt(__ENV.PRE_ALLOC_DELETERS || '0');
+const max_delete_vus = parseInt(__ENV.MAX_DELETERS || pre_alloc_write_vus);
+const delete_rate = parseInt(__ENV.DELETE_RATE || '0');
+if (delete_rate > 0) {
+    if (!obj_to_delete_selector) {
+        throw new Error('Positive DELETE worker number without a proper object selector');
+    }
+
+    scenarios.delete = {
+        executor: 'constant-arrival-rate',
+        duration: `${duration}s`,
+        preAllocatedVUs: pre_alloc_delete_vus,
+        maxVUs: max_delete_vus,
+        rate: delete_rate,
+        timeUnit: time_unit,
+        exec: 'obj_delete', 
+        gracefulStop: '5s',
+    };
+}
+
+export const options = {
+    scenarios,
+    setupTimeout: '5s',
+};
+
+export function setup() {
+    const total_pre_allocated_vu_count = pre_alloc_write_vus + pre_alloc_read_vus + pre_alloc_delete_vus;
+    const total_max_vu_count = max_read_vus + max_write_vus + max_delete_vus
+
+    console.log(`Pregenerated buckets:          ${bucket_list.length}`);
+    console.log(`Pregenerated read object size: ${read_size}`);
+    console.log(`Pregenerated total objects:    ${obj_list.length}`);
+    console.log(`Pre allocated reading VUs:     ${pre_alloc_read_vus}`);
+    console.log(`Pre allocated writing VUs:     ${pre_alloc_write_vus}`);
+    console.log(`Pre allocated deleting VUs:    ${pre_alloc_delete_vus}`);
+    console.log(`Total pre allocated VUs:       ${total_pre_allocated_vu_count}`);
+    console.log(`Max reading VUs:               ${max_read_vus}`);
+    console.log(`Max writing VUs:               ${max_write_vus}`);
+    console.log(`Max deleting VUs:              ${max_delete_vus}`);
+    console.log(`Total max VUs:                 ${total_max_vu_count}`);
+    console.log(`Time unit:                     ${time_unit}`);
+    console.log(`Read rate:                     ${read_rate}`);
+    console.log(`Writing rate:                  ${write_rate}`);
+    console.log(`Delete rate:                   ${delete_rate}`);
+}
+
+export function teardown(data) {
+    if (obj_registry) {
+        obj_registry.close();
+    }
+}
+
+export function handleSummary(data) {
+    return {
+        'stdout': textSummary(data, { indent: ' ', enableColors: false }),
+        [summary_json]: JSON.stringify(data),
+    };
+  }
+
+export function obj_write() {
+    if (__ENV.SLEEP_WRITE) {
+        sleep(__ENV.SLEEP_WRITE);
+    }
+
+    const key = __ENV.OBJ_NAME || uuidv4();
+    const bucket = bucket_list[Math.floor(Math.random() * bucket_list.length)];
+
+    const { payload, hash } = generator.genPayload(registry_enabled);
+    const resp = s3_client.put(bucket, key, payload);
+    if (!resp.success) {
+        log.withFields({bucket: bucket, key: key}).error(resp.error);
+        return;
+    }
+
+    if (obj_registry) {
+        obj_registry.addObject("", "", bucket, key, hash);
+    }
+}
+
+export function obj_read() {
+    if (__ENV.SLEEP_READ) {
+        sleep(__ENV.SLEEP_READ);
+    }
+
+    const obj = obj_list[Math.floor(Math.random() * obj_list.length)];
+
+    const resp = s3_client.get(obj.bucket, obj.object);
+    if (!resp.success) {
+        log.withFields({bucket: obj.bucket, key: obj.object}).error(resp.error);
+    } 
+}
+
+export function obj_delete() {
+    if (__ENV.SLEEP_DELETE) {
+        sleep(__ENV.SLEEP_DELETE);
+    }
+
+    const obj = obj_to_delete_selector.nextObject();
+    if (!obj) {
+        return;
+    }
+
+    const resp = s3_client.delete(obj.s3_bucket, obj.s3_key);
+    if (!resp.success) {
+        log.withFields({bucket: obj.s3_bucket, key: obj.s3_key, op: "DELETE"}).error(resp.error);
+        return;
+    }
+
+    obj_registry.deleteObject(obj.id);
+}