diff --git a/load-tests/calendar.js b/load-tests/calendar.js
new file mode 100644
index 0000000..78cffd3
--- /dev/null
+++ b/load-tests/calendar.js
@@ -0,0 +1,50 @@
+import http from 'k6/http';
+import { check, sleep } from 'k6';
+import {
+  BASE_URL,
+  VU_OPTIONS,
+  authHeaders,
+  createGuest,
+  getCalendarParams,
+} from './common.js';
+
+export const options = {
+  ...VU_OPTIONS,
+  duration: '1m',
+};
+
+export default function () {
+  const { res: guestRes } = createGuest();
+
+  const guestOk = check(guestRes, {
+    'guest created': (r) => r.status === 201 || r.status === 200,
+    'guest has token': (r) => !!r.json('data.auth.accessToken'),
+  });
+
+  if (!guestOk) {
+    return;
+  }
+
+  const headers = authHeaders(guestRes.json('data.auth.accessToken'));
+  const { year, month, selectedDate } = getCalendarParams();
+
+  const statusRes = http.get(`${BASE_URL}/api/v1/users/status`, { headers });
+  check(statusRes, { 'user status 200': (r) => r.status === 200 });
+
+  const calRes = http.get(
+    `${BASE_URL}/api/v1/calendars/main?year=${year}&month=${month}&selectedDate=${selectedDate}`,
+    { headers },
+  );
+  check(calRes, { 'calendar main 200': (r) => r.status === 200 });
+
+  const dateEventsRes = http.get(
+    `${BASE_URL}/api/v1/calendars/dates/${selectedDate}/events`,
+    { headers },
+  );
+  check(dateEventsRes, { 'date events 200': (r) => r.status === 200 });
+
+  const labelsRes = http.get(`${BASE_URL}/api/v1/labels`, { headers });
+  check(labelsRes, { 'labels 200': (r) => r.status === 200 });
+
+  sleep(1);
+}
diff --git a/load-tests/common.js b/load-tests/common.js
new file mode 100644
index 0000000..1b6e687
--- /dev/null
+++ b/load-tests/common.js
@@ -0,0 +1,40 @@
+import http from 'k6/http';
+import { uuidv4 } from 'https://jslib.k6.io/k6-utils/1.4.0/index.js';
+
+export const BASE_URL = __ENV.BASE_URL || 'http://localhost:8080';
+
+export const VU_OPTIONS = {
+  vus: 10,
+  duration: '30s',
+  thresholds: {
+    http_req_duration: ['p(95)<500'],
+    http_req_failed: ['rate<0.01'],
+  },
+};
+
+export function createGuest() {
+  const guestId = uuidv4();
+  const res = http.post(
+    `${BASE_URL}/api/v1/guests`,
+    JSON.stringify({ guestId }),
+    { headers: { 'Content-Type': 'application/json' } },
+  );
+
+  return { res, guestId };
+}
+
+export function authHeaders(accessToken) {
+  return {
+    Authorization: `Bearer ${accessToken}`,
+    'Content-Type': 'application/json',
+  };
+}
+
+export function getCalendarParams() {
+  const now = new Date();
+  return {
+    year: now.getFullYear(),
+    month: now.getMonth() + 1,
+    selectedDate: now.toISOString().slice(0, 10),
+  };
+}
diff --git a/load-tests/guest.js b/load-tests/guest.js
new file mode 100644
index 0000000..433c586
--- /dev/null
+++ b/load-tests/guest.js
@@ -0,0 +1,31 @@
+import http from 'k6/http';
+import { check, sleep } from 'k6';
+import { BASE_URL, VU_OPTIONS, createGuest } from './common.js';
+
+export const options = VU_OPTIONS;
+
+export function setup() {
+  const res = http.get(`${BASE_URL}/health`);
+  if (res.status !== 200) {
+    throw new Error(
+      `백엔드에 연결할 수 없습니다 (${BASE_URL}/health → status=${res.status}). ` +
+        'Spring Boot가 실행 중인지 확인하세요.',
+    );
+  }
+}
+
+export default function () {
+  const { res } = createGuest();
+
+  check(res, {
+    'guest created or reconnected': (r) => {
+      if (r.status !== 201 && r.status !== 200) {
+        console.error(`guest 실패: status=${r.status}, body=${r.body}`);
+      }
+      return r.status === 201 || r.status === 200;
+    },
+    'guest response has access token': (r) => !!r.json('data.auth.accessToken'),
+  });
+
+  sleep(1);
+}
diff --git a/load-tests/health.js b/load-tests/health.js
new file mode 100644
index 0000000..138bc53
--- /dev/null
+++ b/load-tests/health.js
@@ -0,0 +1,16 @@
+import http from 'k6/http';
+import { check, sleep } from 'k6';
+import { BASE_URL, VU_OPTIONS } from './common.js';
+
+export const options = VU_OPTIONS;
+
+export default function () {
+  const res = http.get(`${BASE_URL}/health`);
+
+  check(res, {
+    'health status is 200': (r) => r.status === 200,
+    'health overall UP': (r) => r.json('status') === 'UP',
+  });
+
+  sleep(1);
+}
diff --git a/src/main/java/com/tryna/domain/recommendation/constants/RecommendationRedisKey.java b/src/main/java/com/tryna/domain/recommendation/constants/RecommendationRedisKey.java
index 7b653dc..3fc3632 100644
--- a/src/main/java/com/tryna/domain/recommendation/constants/RecommendationRedisKey.java
+++ b/src/main/java/com/tryna/domain/recommendation/constants/RecommendationRedisKey.java
@@ -2,7 +2,7 @@
 
 public final class RecommendationRedisKey {
     private static final String LATEST_REVISION_PREFIX =
-            "tryna:recommendation:latest-revision:";
+            "recommendation:latest-revision:";
 
     private RecommendationRedisKey() {
     }
diff --git a/src/main/resources/application-local.yaml b/src/main/resources/application-local.yaml
index 5e57f28..444f41b 100644
--- a/src/main/resources/application-local.yaml
+++ b/src/main/resources/application-local.yaml
@@ -5,6 +5,8 @@ spring:
       username: ${DB_USERNAME:postgres}
       password: ${DB_PASSWORD:postgres}
       driver-class-name: org.postgresql.Driver
+      hikari:
+        maximum-pool-size: 25
     # 로컬 환경에 부 DB가 없으면 주 DB와 동일한 곳을 바라본다.
     # 부 DB 라우팅 동작 자체를 로컬에서 검증하고 싶다면 DB_REPLICA_URL을 별도로 지정한다.
     read:
@@ -12,6 +14,8 @@ spring:
       username: ${DB_REPLICA_USERNAME:${DB_USERNAME:postgres}}
       password: ${DB_REPLICA_PASSWORD:${DB_PASSWORD:postgres}}
       driver-class-name: org.postgresql.Driver
+      hikari:
+        maximum-pool-size: 25
   jpa:
     hibernate:
       # Flyway가 먼저 마이그레이션을 적용한 뒤 실행된다. 엔티티 변경 시 update가 로컬 스키마를