[fix/#106] Elasticsearch 연동 에러 해결 및 속도 개선 (#107)

* fix: Elasticsearch Bean 제거로 Spring Boot가 자동으로 Bean 생성하도록 변경

* improve: ES 속도 향상을 위해 메모리 할당 증가 및 Redis 메모리 제한 설정

Author: Dimo-2562

docker-compose.yml

@@ -29,7 +29,11 @@ services:
     restart: always
     ports:
       - "6379:6379"
-    command: redis-server --requirepass ${REDIS_PASSWORD}
+    command:
+      redis-server 
+      --requirepass ${REDIS_PASSWORD}
+      --maxmemory 256mb
+      --maxmemory-policy allkeys-lru
     networks:
       - app-network
     volumes:
@@ -45,7 +49,7 @@ services:
     environment:
       - discovery.type=single-node
       - xpack.security.enabled=false
-      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+      - "ES_JAVA_OPTS=-Xms1g -Xmx1g"
     networks:
       - app-network
     volumes:

src/main/java/com/techfork/global/config/ElasticsearchConfig.java

@@ -1,12 +1,5 @@
 package com.techfork.global.config;
 
-import co.elastic.clients.elasticsearch.ElasticsearchClient;
-import co.elastic.clients.json.jackson.JacksonJsonpMapper;
-import co.elastic.clients.transport.rest_client.RestClientTransport;
-import org.apache.http.HttpHost;
-import org.elasticsearch.client.RestClient;
-import org.springframework.beans.factory.annotation.Value;
-import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.elasticsearch.config.EnableElasticsearchAuditing;
 import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
@@ -15,19 +8,4 @@
 @EnableElasticsearchAuditing
 @EnableElasticsearchRepositories(basePackages = "com.techfork")
 public class ElasticsearchConfig {
-
-    @Value("${elasticsearch.host:localhost}")
-    private String elasticsearchHost;
-
-    @Value("${elasticsearch.port:9200}")
-    private int elasticsearchPort;
-
-    @Bean
-    public ElasticsearchClient elasticsearchClient() {
-        RestClient restClient = RestClient.builder(
-                new HttpHost(elasticsearchHost, elasticsearchPort, "http")).build();
-        return new ElasticsearchClient(
-                new RestClientTransport(restClient, new JacksonJsonpMapper())
-        );
-    }
 }

src/main/resources/application-dev.yml

@@ -74,13 +74,13 @@ recommendation:
   knn-search-size: 100
   num-candidates: 200
   mmr-final-size: 30
-  lambda: 0.6
+  lambda: 0.3
   active-user-hours: 24
   # 임베딩 가중치 설정 (합계 1.0)
   embedding-weights:
-    title: 0.4      # 제목 중요도 40%
-    summary: 0.4    # 요약 중요도 40%
-    content: 0.2    # 콘텐츠 청크 중요도 20%
+    title: 0.2
+    summary: 0.2
+    content: 0.6
   # 시간 감쇠 가중치 설정
   time-decay:
     days-7: 1.3      # 최근 7일: +30%
@@ -89,8 +89,7 @@ recommendation:
     days-over: 0.4   # 90일 이상: -60%
 
 elasticsearch:
-  host: elasticsearch
-  port: 9200
+  uris: http://elasticsearch:9200
 
 logging:
   level:

src/main/resources/application-local.yml

@@ -66,8 +66,7 @@ scheduler:
   enabled: true
 
 elasticsearch:
-  host: localhost
-  port: 9200
+  uris: http://elasticsearch:9200
 
 webhook:
   enabled: true
@@ -78,13 +77,13 @@ recommendation:
   knn-search-size: 100
   num-candidates: 200
   mmr-final-size: 30
-  lambda: 0.6
+  lambda: 0.3
   active-user-hours: 24
   # 임베딩 가중치 설정 (합계 1.0)
   embedding-weights:
-    title: 0.4      # 제목 중요도 40%
-    summary: 0.4    # 요약 중요도 40%
-    content: 0.2    # 콘텐츠 청크 중요도 20%
+    title: 0.2
+    summary: 0.2
+    content: 0.6
   # 시간 감쇠 가중치 설정
   time-decay:
     days-7: 1.3      # 최근 7일: +30%