perf: 조회 API 성능 개선을 위한 캐싱 추가 적용 및 인덱스 추가

src/main/java/until/the/eternity/auctionhistory/application/scheduler/AuctionHistoryScheduler.java

@@ -1,7 +1,5 @@
 package until.the.eternity.auctionhistory.application.scheduler;
 
-import java.util.*;
-import java.util.stream.Collectors;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
@@ -19,6 +17,9 @@
 import until.the.eternity.common.annotation.BatchLog;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.util.*;
+import java.util.stream.Collectors;
+
 @Slf4j
 @Component
 @RequiredArgsConstructor

src/main/java/until/the/eternity/auctionhistory/application/service/AuctionHistoryCacheWarmupService.java

@@ -10,6 +10,8 @@
 import until.the.eternity.common.enums.SortField;
 import until.the.eternity.common.request.PageRequestDto;
 import until.the.eternity.config.CacheNames;
+import until.the.eternity.ranking.application.service.AllTimeRankingService;
+import until.the.eternity.ranking.util.RankingConstants;
 
 /**
  * 경매 거래 내역 캐시 워밍업 서비스.
@@ -29,8 +31,10 @@ public class AuctionHistoryCacheWarmupService {
 
     private static final int WARMUP_SIZE = 20;
     private static final int WARMUP_MAX_PAGE = 2;
+    private static final int[] RANKING_WARMUP_LIMITS = {20, RankingConstants.DEFAULT_LIMIT};
 
     private final AuctionHistoryService auctionHistoryService;
+    private final AllTimeRankingService allTimeRankingService;
     private final CacheManager cacheManager;
 
     /**
@@ -41,6 +45,7 @@ public class AuctionHistoryCacheWarmupService {
     public void evictAndWarm() {
         evictCaches();
         warmup();
+        warmAllTimeRankingCaches();
     }
 
     /** 앱 시작 시 기본 화면 1개 키만 경량 워밍업한다. */
@@ -105,6 +110,27 @@ private void warmup() {
                 WARMUP_MAX_PAGE * SortField.values().length * SortDirection.values().length);
     }
 
+    private void warmAllTimeRankingCaches() {
+        int successCount = 0;
+        int failCount = 0;
+
+        for (int limit : RANKING_WARMUP_LIMITS) {
+            try {
+                allTimeRankingService.getAllTimeHighestPrice(limit);
+                allTimeRankingService.getMonthLargestVolume(limit);
+                successCount += 2;
+            } catch (Exception e) {
+                failCount++;
+                log.warn("[Cache Warmup] Failed all-time ranking warmup: limit={}", limit, e);
+            }
+        }
+
+        log.info(
+                "[Cache Warmup] All-time ranking completed: success={}, fail={}",
+                successCount,
+                failCount);
+    }
+
     private void clearCache(String cacheName) {
         Cache cache = cacheManager.getCache(cacheName);
         if (cache != null) {

src/main/java/until/the/eternity/auctionhistory/application/service/AuctionHistoryService.java

@@ -1,7 +1,6 @@
 package until.the.eternity.auctionhistory.application.service;
 
 import jakarta.persistence.EntityManager;
-import java.util.List;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.cache.Cache;
@@ -23,6 +22,8 @@
 import until.the.eternity.common.util.CacheKeyBuilder;
 import until.the.eternity.config.CacheNames;
 
+import java.util.List;
+
 @Service
 @RequiredArgsConstructor
 @Slf4j
@@ -47,7 +48,8 @@ public class AuctionHistoryService {
                     "#requestDto.itemOptionSearchRequest() == null"
                             + " and #requestDto.enchantSearchRequest() == null"
                             + " and (#requestDto.metalwareSearchRequests() == null or #requestDto.metalwareSearchRequests().isEmpty())"
-                            + " and #requestDto.priceSearchRequest() == null")
+                            + " and #requestDto.priceSearchRequest() == null",
+            sync = true)
     @Transactional(readOnly = true)
     public PageResponseDto<AuctionHistoryDetailResponse<ItemOptionResponse>> search(
             AuctionHistorySearchRequest requestDto, PageRequestDto pageRequestDto) {

src/main/java/until/the/eternity/auctionhistory/application/service/fetcher/AuctionHistoryFetcher.java

@@ -1,8 +1,5 @@
 package until.the.eternity.auctionhistory.application.service.fetcher;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.OptionalInt;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -12,6 +9,10 @@
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.OptionalInt;
+
 @Slf4j
 @Component
 @RequiredArgsConstructor

src/main/java/until/the/eternity/auctionhistory/application/service/persister/AuctionHistoryPersister.java

@@ -1,6 +1,5 @@
 package until.the.eternity.auctionhistory.application.service.persister;
 
-import java.util.List;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -11,6 +10,8 @@
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.util.List;
+
 @Slf4j
 @RequiredArgsConstructor
 @Component

src/main/java/until/the/eternity/auctionhistory/domain/entity/AuctionHistory.java

@@ -1,11 +1,12 @@
 package until.the.eternity.auctionhistory.domain.entity;
 
 import jakarta.persistence.*;
-import java.time.Instant;
-import java.util.List;
 import lombok.*;
 import until.the.eternity.auctionitemoption.domain.entity.AuctionHistoryItemOption;
 
+import java.time.Instant;
+import java.util.List;
+
 @Entity
 @Table(name = "auction_history")
 @Getter

src/main/java/until/the/eternity/auctionhistory/domain/event/AuctionHistorySavedEvent.java

@@ -1,8 +1,9 @@
 package until.the.eternity.auctionhistory.domain.event;
 
-import java.time.LocalDateTime;
 import lombok.Getter;
 
+import java.time.LocalDateTime;
+
 /** 경매장 거래 내역 저장 완료 이벤트 AuctionHistoryScheduler가 거래 내역을 성공적으로 저장한 후 발행됩니다. */
 @Getter
 public class AuctionHistorySavedEvent {

src/main/java/until/the/eternity/auctionhistory/domain/mapper/AuctionHistoryMapper.java

@@ -1,13 +1,14 @@
 package until.the.eternity.auctionhistory.domain.mapper;
 
-import java.util.List;
 import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
 import until.the.eternity.auctionhistory.domain.entity.AuctionHistory;
 import until.the.eternity.auctionhistory.interfaces.rest.dto.response.AuctionHistoryDetailResponse;
 import until.the.eternity.auctionhistory.interfaces.rest.dto.response.ItemOptionResponse;
 import until.the.eternity.auctionitemoption.domain.entity.AuctionHistoryItemOption;
 
+import java.util.List;
+
 /**
  * AuctionHistory Entity to internal.responseDto transfer mapper class 데이터 흐름은 external.responseDto
  * -> entity -> internal.responseDto 단방향으로 흐름

src/main/java/until/the/eternity/auctionhistory/domain/mapper/OpenApiAuctionHistoryMapper.java

@@ -1,12 +1,13 @@
 package until.the.eternity.auctionhistory.domain.mapper;
 
-import java.time.Instant;
-import java.util.List;
 import org.mapstruct.*;
 import until.the.eternity.auctionhistory.domain.entity.AuctionHistory;
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.time.Instant;
+import java.util.List;
+
 @Mapper(componentModel = "spring", uses = OpenApiItemOptionMapper.class)
 public interface OpenApiAuctionHistoryMapper {
 

src/main/java/until/the/eternity/auctionhistory/domain/repository/AuctionHistoryRepositoryPort.java

@@ -1,14 +1,15 @@
 package until.the.eternity.auctionhistory.domain.repository;
 
-import java.time.Instant;
-import java.util.List;
-import java.util.Optional;
-import java.util.Set;
 import org.springframework.data.domain.Pageable;
 import until.the.eternity.auctionhistory.domain.entity.AuctionHistory;
 import until.the.eternity.auctionhistory.interfaces.rest.dto.request.AuctionHistorySearchRequest;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.time.Instant;
+import java.util.List;
+import java.util.Optional;
+import java.util.Set;
+
 /** 경매장 거래 내역 POJO Repository - Mock 또는 Stub 으로 대체해 단위 테스트 용이성 확보 */
 public interface AuctionHistoryRepositoryPort {
 

src/main/java/until/the/eternity/auctionhistory/domain/service/AuctionHistoryDuplicateChecker.java

@@ -1,9 +1,5 @@
 package until.the.eternity.auctionhistory.domain.service;
 
-import java.time.Instant;
-import java.util.List;
-import java.util.OptionalInt;
-import java.util.Set;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -12,6 +8,11 @@
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.time.Instant;
+import java.util.List;
+import java.util.OptionalInt;
+import java.util.Set;
+
 @Slf4j
 @Component
 @RequiredArgsConstructor

src/main/java/until/the/eternity/auctionhistory/domain/service/fetcher/AuctionHistoryFetcherPort.java

@@ -1,9 +1,10 @@
 package until.the.eternity.auctionhistory.domain.service.fetcher;
 
-import java.util.List;
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.util.List;
+
 public interface AuctionHistoryFetcherPort {
     List<OpenApiAuctionHistoryResponse> fetch(ItemCategory category);
 }

src/main/java/until/the/eternity/auctionhistory/domain/service/persister/AuctionHistoryPersisterPort.java

@@ -1,10 +1,11 @@
 package until.the.eternity.auctionhistory.domain.service.persister;
 
-import java.util.List;
 import until.the.eternity.auctionhistory.domain.entity.AuctionHistory;
 import until.the.eternity.auctionhistory.interfaces.external.dto.OpenApiAuctionHistoryResponse;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.util.List;
+
 public interface AuctionHistoryPersisterPort {
 
     List<AuctionHistory> filterOutExisting(

src/main/java/until/the/eternity/auctionhistory/infrastructure/persistence/AuctionHistoryJpaRepository.java

@@ -1,15 +1,16 @@
 package until.the.eternity.auctionhistory.infrastructure.persistence;
 
-import java.time.Instant;
-import java.util.List;
-import java.util.Optional;
 import org.springframework.data.jpa.repository.EntityGraph;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 import until.the.eternity.auctionhistory.domain.entity.AuctionHistory;
 
+import java.time.Instant;
+import java.util.List;
+import java.util.Optional;
+
 @Repository
 public interface AuctionHistoryJpaRepository
         extends JpaRepository<AuctionHistory, String>, JpaSpecificationExecutor<AuctionHistory> {

src/main/java/until/the/eternity/auctionhistory/infrastructure/persistence/AuctionHistoryQueryDslRepository.java

@@ -8,11 +8,6 @@
 import com.querydsl.core.types.dsl.NumberTemplate;
 import com.querydsl.jpa.JPAExpressions;
 import com.querydsl.jpa.impl.JPAQueryFactory;
-import java.time.Instant;
-import java.time.LocalDate;
-import java.time.ZoneId;
-import java.util.ArrayList;
-import java.util.List;
 import lombok.RequiredArgsConstructor;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
@@ -23,6 +18,12 @@
 import until.the.eternity.auctionhistory.interfaces.rest.dto.request.*;
 import until.the.eternity.auctionitemoption.domain.entity.QAuctionHistoryItemOption;
 
+import java.time.Instant;
+import java.time.LocalDate;
+import java.time.ZoneId;
+import java.util.ArrayList;
+import java.util.List;
+
 @Component
 @RequiredArgsConstructor
 class AuctionHistoryQueryDslRepository {

src/main/java/until/the/eternity/auctionhistory/infrastructure/persistence/AuctionHistoryRepositoryPortImpl.java

@@ -1,10 +1,6 @@
 package until.the.eternity.auctionhistory.infrastructure.persistence;
 
 import jakarta.persistence.EntityManager;
-import java.time.Instant;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Optional;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.data.domain.Pageable;
@@ -15,6 +11,11 @@
 import until.the.eternity.auctionhistory.interfaces.rest.dto.request.AuctionHistorySearchRequest;
 import until.the.eternity.common.enums.ItemCategory;
 
+import java.time.Instant;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Optional;
+
 /** AuctionHistoryRepository Interface 구현체 */
 @Repository
 @RequiredArgsConstructor

src/main/java/until/the/eternity/auctionhistory/interfaces/external/dto/OpenApiAuctionHistoryListResponse.java

@@ -1,6 +1,7 @@
 package until.the.eternity.auctionhistory.interfaces.external.dto;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
+
 import java.util.List;
 
 public record OpenApiAuctionHistoryListResponse(

src/main/java/until/the/eternity/auctionhistory/interfaces/external/dto/OpenApiAuctionHistoryResponse.java

@@ -2,9 +2,10 @@
 
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import until.the.eternity.auctionitemoption.domain.dto.external.OpenApiAuctionItemOptionResponse;
+
 import java.time.Instant;
 import java.util.List;
-import until.the.eternity.auctionitemoption.domain.dto.external.OpenApiAuctionItemOptionResponse;
 
 public record OpenApiAuctionHistoryResponse(
         @JsonProperty("item_name") String itemName,

src/main/java/until/the/eternity/auctionhistory/interfaces/rest/dto/enums/SearchStandard.java

@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 import io.swagger.v3.oas.annotations.media.Schema;
+
 import java.util.Arrays;
 
 /** 검색 기준 (이상/이하/같음) */

src/main/java/until/the/eternity/auctionhistory/interfaces/rest/dto/enums/SortDirection.java

@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 import io.swagger.v3.oas.annotations.media.Schema;
+
 import java.util.Arrays;
 
 /** 정렬 방향 (오름차순/내림차순) */

src/main/java/until/the/eternity/auctionhistory/interfaces/rest/dto/request/AuctionHistorySearchRequest.java

@@ -1,6 +1,7 @@
 package until.the.eternity.auctionhistory.interfaces.rest.dto.request;
 
 import io.swagger.v3.oas.annotations.media.Schema;
+
 import java.time.LocalDate;
 import java.util.List;
 

src/main/java/until/the/eternity/auctionhistory/interfaces/rest/dto/response/AuctionHistoryDetailResponse.java

@@ -1,6 +1,7 @@
 package until.the.eternity.auctionhistory.interfaces.rest.dto.response;
 
 import com.fasterxml.jackson.annotation.JsonFormat;
+
 import java.time.Instant;
 import java.util.List;
 

src/main/java/until/the/eternity/auctionitem/domain/entity/AuctionRealtimeItem.java

@@ -1,9 +1,10 @@
 package until.the.eternity.auctionitem.domain.entity;
 
 import jakarta.persistence.*;
+import lombok.*;
+
 import java.time.Instant;
 import java.util.List;
-import lombok.*;
 
 /** 실시간 경매장에서 판매 중인 아이템 정보. V15 마이그레이션에서 auction_item → auction_realtime_item으로 변경됨. */
 @Entity