diff --git a/shp-exporter/src/main/java/com/kamco/makesample/batch/config/BatchConfiguration.java b/shp-exporter/src/main/java/com/kamco/makesample/batch/config/BatchConfiguration.java
index d72d0f6..d93dde8 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/batch/config/BatchConfiguration.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/batch/config/BatchConfiguration.java
@@ -1,6 +1,9 @@
package com.kamco.makesample.batch.config;
import com.kamco.makesample.config.ConverterProperties;
+import org.geotools.api.referencing.FactoryException;
+import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
+import org.geotools.referencing.CRS;
import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@@ -38,6 +41,18 @@ public class BatchConfiguration {
*
추가 설정이 필요하면 여기에 Bean을 정의
*/
+ /**
+ * 애플리케이션 전체에서 재사용되는 CoordinateReferenceSystem 싱글톤 빈
+ *
+ *
CRS.decode()는 GeoTools HSQL EPSG 팩토리를 초기화하므로 비용이 큼. @StepScope 컴포넌트마다 호출되면 파티셔닝 단계에서 CRS 객체가
+ * 누적되어 OOM을 유발합니다. 싱글톤으로 캐싱하여 한 번만 초기화합니다.
+ */
+ @Bean
+ public CoordinateReferenceSystem coordinateReferenceSystem() throws FactoryException {
+ String crsCode = properties.getCrs() != null ? properties.getCrs() : "EPSG:5186";
+ return CRS.decode(crsCode);
+ }
+
/**
* Map ID별 파일 생성을 위한 TaskExecutor
*
diff --git a/shp-exporter/src/main/java/com/kamco/makesample/batch/processor/FeatureConversionProcessor.java b/shp-exporter/src/main/java/com/kamco/makesample/batch/processor/FeatureConversionProcessor.java
index b2e3d9c..d6ced76 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/batch/processor/FeatureConversionProcessor.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/batch/processor/FeatureConversionProcessor.java
@@ -4,10 +4,8 @@ import com.kamco.makesample.batch.util.FeatureTypeFactory;
import com.kamco.makesample.model.InferenceResult;
import org.geotools.api.feature.simple.SimpleFeature;
import org.geotools.api.feature.simple.SimpleFeatureType;
-import org.geotools.api.referencing.FactoryException;
import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
import org.geotools.feature.simple.SimpleFeatureBuilder;
-import org.geotools.referencing.CRS;
import org.locationtech.jts.geom.Geometry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -16,7 +14,6 @@ import org.springframework.batch.core.annotation.BeforeStep;
import org.springframework.batch.core.configuration.annotation.StepScope;
import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemProcessor;
-import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
/**
@@ -39,15 +36,15 @@ public class FeatureConversionProcessor implements ItemProcessor {
private FileOutputStream outputStream;
private FeatureJSON featureJSON;
+ private ByteArrayOutputStream buffer;
private int chunkCount = 0;
private int totalRecordCount = 0;
@@ -91,6 +92,7 @@ public class MapIdGeoJsonWriter implements ItemStreamWriter {
File geoJsonFile = new File(outputPath);
outputStream = new FileOutputStream(geoJsonFile);
featureJSON = new FeatureJSON();
+ buffer = new ByteArrayOutputStream(8192);
// GeoJSON FeatureCollection 시작
outputStream.write("{\"type\":\"FeatureCollection\",\"features\":[".getBytes());
@@ -129,11 +131,11 @@ public class MapIdGeoJsonWriter implements ItemStreamWriter {
outputStream.write(",".getBytes());
}
- // Feature를 GeoJSON으로 직렬화
- // StringWriter를 사용하여 FeatureJSON이 스트림을 닫지 못하도록 방지
- StringWriter stringWriter = new StringWriter();
- featureJSON.writeFeature(feature, stringWriter);
- outputStream.write(stringWriter.toString().getBytes());
+ // Feature를 GeoJSON으로 직렬화 (ByteArrayOutputStream 재사용으로 String 객체 생성 방지)
+ // ByteArrayOutputStream.close()는 no-op이므로 FeatureJSON이 닫아도 안전
+ buffer.reset();
+ featureJSON.writeFeature(feature, buffer);
+ buffer.writeTo(outputStream);
}
isFirstChunk = false;
diff --git a/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/MapIdShapefileWriter.java b/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/MapIdShapefileWriter.java
index c989c04..59d7ae1 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/MapIdShapefileWriter.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/MapIdShapefileWriter.java
@@ -14,13 +14,11 @@ import org.geotools.api.data.SimpleFeatureStore;
import org.geotools.api.data.Transaction;
import org.geotools.api.feature.simple.SimpleFeature;
import org.geotools.api.feature.simple.SimpleFeatureType;
-import org.geotools.api.referencing.FactoryException;
import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
import org.geotools.data.DefaultTransaction;
import org.geotools.data.collection.ListFeatureCollection;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.shapefile.ShapefileDataStoreFactory;
-import org.geotools.referencing.CRS;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.core.StepExecution;
@@ -48,11 +46,10 @@ import org.springframework.stereotype.Component;
public class MapIdShapefileWriter implements ItemStreamWriter {
private static final Logger log = LoggerFactory.getLogger(MapIdShapefileWriter.class);
+ private static final int LOG_INTERVAL_CHUNKS = 5; // 5청크(=5,000건)마다 진행 로그
private final FeatureTypeFactory featureTypeFactory;
-
- @Value("#{jobParameters['crs'] ?: 'EPSG:5186'}")
- private String crsCode;
+ private final CoordinateReferenceSystem crs;
@Value("#{stepExecutionContext['mapId']}")
private String mapId;
@@ -70,11 +67,14 @@ public class MapIdShapefileWriter implements ItemStreamWriter {
private int chunkCount = 0;
private int totalRecordCount = 0;
+ private long startTimeMs = 0;
private Class> geometryType;
- public MapIdShapefileWriter(FeatureTypeFactory featureTypeFactory) {
+ public MapIdShapefileWriter(
+ FeatureTypeFactory featureTypeFactory, CoordinateReferenceSystem coordinateReferenceSystem) {
this.featureTypeFactory = featureTypeFactory;
+ this.crs = coordinateReferenceSystem;
}
@BeforeStep
@@ -143,10 +143,7 @@ public class MapIdShapefileWriter implements ItemStreamWriter {
geometryType.getSimpleName(),
geometryTypeStr);
- // CRS 설정
- CoordinateReferenceSystem crs = CRS.decode(crsCode);
-
- // SimpleFeatureType 생성
+ // SimpleFeatureType 생성 (주입된 싱글톤 CRS 재사용 - CRS.decode() 반복 호출 방지)
featureType = featureTypeFactory.createFeatureType(crs, geometryType);
// ShapefileDataStore 생성
@@ -168,13 +165,12 @@ public class MapIdShapefileWriter implements ItemStreamWriter {
featureStore = (SimpleFeatureStore) dataStore.getFeatureSource(typeName);
featureStore.setTransaction(transaction);
+ startTimeMs = System.currentTimeMillis();
log.info(
"ShapefileDataStore initialized for map_id: {} with geometry type: {}",
mapId,
geometryType.getSimpleName());
- } catch (FactoryException e) {
- throw new ItemStreamException("Invalid CRS code: " + crsCode, e);
} catch (IOException e) {
throw new ItemStreamException("Failed to create shapefile for map_id " + mapId, e);
}
@@ -191,27 +187,36 @@ public class MapIdShapefileWriter implements ItemStreamWriter {
int itemCount = items.size();
totalRecordCount += itemCount;
- log.debug(
- "[map_id: {}] Writing chunk #{} with {} features (total: {})",
- mapId,
- chunkCount,
- itemCount,
- totalRecordCount);
-
- // ListFeatureCollection으로 변환하여 FeatureStore에 추가
ListFeatureCollection collection = new ListFeatureCollection(featureType, items);
featureStore.addFeatures(collection);
- log.debug("[map_id: {}] Chunk #{} written successfully", mapId, chunkCount);
+ if (chunkCount % LOG_INTERVAL_CHUNKS == 0) {
+ long elapsedSec = Math.max((System.currentTimeMillis() - startTimeMs) / 1000, 1);
+ long throughput = totalRecordCount / elapsedSec;
+ log.info(
+ "[map_id: {}] 진행: {}건 | 경과: {} | 속도: {}건/s",
+ mapId,
+ String.format("%,d", totalRecordCount),
+ formatDuration(elapsedSec),
+ String.format("%,d", throughput));
+ }
}
@AfterStep
public void afterStep() {
+ long elapsedSec = Math.max((System.currentTimeMillis() - startTimeMs) / 1000, 1);
+ long throughput = totalRecordCount / elapsedSec;
log.info(
- "[map_id: {}] AfterStep called. Total {} records in {} chunks",
+ "[map_id: {}] 완료: {}건 처리 | 소요: {} | 평균 속도: {}건/s",
mapId,
- totalRecordCount,
- chunkCount);
+ String.format("%,d", totalRecordCount),
+ formatDuration(elapsedSec),
+ String.format("%,d", throughput));
+ }
+
+ private String formatDuration(long seconds) {
+ if (seconds < 60) return seconds + "초";
+ return (seconds / 60) + "분 " + (seconds % 60) + "초";
}
@Override
diff --git a/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/StreamingShapefileWriter.java b/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/StreamingShapefileWriter.java
index e0f949e..34d34b1 100644
--- a/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/StreamingShapefileWriter.java
+++ b/shp-exporter/src/main/java/com/kamco/makesample/batch/writer/StreamingShapefileWriter.java
@@ -14,13 +14,11 @@ import org.geotools.api.data.SimpleFeatureStore;
import org.geotools.api.data.Transaction;
import org.geotools.api.feature.simple.SimpleFeature;
import org.geotools.api.feature.simple.SimpleFeatureType;
-import org.geotools.api.referencing.FactoryException;
import org.geotools.api.referencing.crs.CoordinateReferenceSystem;
import org.geotools.data.DefaultTransaction;
import org.geotools.data.collection.ListFeatureCollection;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.shapefile.ShapefileDataStoreFactory;
-import org.geotools.referencing.CRS;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.batch.core.StepExecution;
@@ -62,15 +60,14 @@ import org.springframework.stereotype.Component;
public class StreamingShapefileWriter implements ItemStreamWriter {
private static final Logger log = LoggerFactory.getLogger(StreamingShapefileWriter.class);
+ private static final int LOG_INTERVAL_CHUNKS = 10; // 10청크(=10,000건)마다 진행 로그
private final FeatureTypeFactory featureTypeFactory;
+ private final CoordinateReferenceSystem crs;
@Value("#{jobParameters['outputPath']}")
private String outputPath;
- @Value("#{jobParameters['crs'] ?: 'EPSG:5186'}")
- private String crsCode;
-
private ShapefileDataStore dataStore;
private Transaction transaction;
private SimpleFeatureStore featureStore;
@@ -78,11 +75,15 @@ public class StreamingShapefileWriter implements ItemStreamWriter
private int chunkCount = 0;
private int totalRecordCount = 0;
+ private long totalExpected = 0; // Validation Tasklet에서 조회한 전체 건수
+ private long startTimeMs = 0;
private Class> geometryType; // Geometry type from validation tasklet
- public StreamingShapefileWriter(FeatureTypeFactory featureTypeFactory) {
+ public StreamingShapefileWriter(
+ FeatureTypeFactory featureTypeFactory, CoordinateReferenceSystem coordinateReferenceSystem) {
this.featureTypeFactory = featureTypeFactory;
+ this.crs = coordinateReferenceSystem;
}
@BeforeStep
@@ -101,6 +102,12 @@ public class StreamingShapefileWriter implements ItemStreamWriter
"geometryType not set in Job ExecutionContext (empty dataset). Will use default in open()");
}
+ // 진행률 표시용 전체 건수 읽기
+ if (jobExecutionContext.containsKey("totalValidRecords")) {
+ totalExpected = jobExecutionContext.getLong("totalValidRecords");
+ log.info("[Shapefile] 처리 예정 건수: {}건", String.format("%,d", totalExpected));
+ }
+
// 출력 디렉토리 생성
try {
Path outputDir = Paths.get(outputPath).getParent();
@@ -118,9 +125,6 @@ public class StreamingShapefileWriter implements ItemStreamWriter
log.info("Opening StreamingShapefileWriter for: {}", outputPath);
try {
- // CRS 설정
- CoordinateReferenceSystem crs = CRS.decode(crsCode);
-
// Geometry type이 아직 설정되지 않은 경우 기본값 사용
if (geometryType == null) {
geometryType = featureTypeFactory.parseGeometryType(null);
@@ -149,10 +153,9 @@ public class StreamingShapefileWriter implements ItemStreamWriter
featureStore = (SimpleFeatureStore) dataStore.getFeatureSource(typeName);
featureStore.setTransaction(transaction);
+ startTimeMs = System.currentTimeMillis();
log.info("ShapefileDataStore initialized successfully");
- } catch (FactoryException e) {
- throw new ItemStreamException("Invalid CRS code: " + crsCode, e);
} catch (IOException e) {
throw new ItemStreamException("Failed to create shapefile at: " + outputPath, e);
}
@@ -169,27 +172,22 @@ public class StreamingShapefileWriter implements ItemStreamWriter
int itemCount = items.size();
totalRecordCount += itemCount;
- log.debug(
- "Writing chunk #{} with {} features (total so far: {})",
- chunkCount,
- itemCount,
- totalRecordCount);
-
- // ListFeatureCollection으로 변환 (청크만 담김)
- ListFeatureCollection collection = new ListFeatureCollection(featureType, items);
-
// FeatureStore에 추가 - GeoTools ShapefileDataStore는 Diff 없이 파일에 직접 씀
// 트랜잭션은 afterStep()에서 단일 커밋 (per-chunk 커밋 시 setTransaction()이 .shx 재스캔 → O(n²))
+ ListFeatureCollection collection = new ListFeatureCollection(featureType, items);
featureStore.addFeatures(collection);
- log.debug("Chunk #{} written successfully", chunkCount);
+ if (chunkCount % LOG_INTERVAL_CHUNKS == 0) {
+ logProgress();
+ }
}
@AfterStep
public void afterStep() {
+ logProgress(); // 완료 시 최종 진행 상황 출력
log.info(
- "All chunks written ({} records in {} chunks). Finalizing shapefile.",
- totalRecordCount,
+ "[Shapefile] 완료: {}건 처리 ({}개 청크). 파일 저장 중...",
+ String.format("%,d", totalRecordCount),
chunkCount);
try {
@@ -234,6 +232,37 @@ public class StreamingShapefileWriter implements ItemStreamWriter
}
}
+ private void logProgress() {
+ long elapsedMs = System.currentTimeMillis() - startTimeMs;
+ long elapsedSec = Math.max(elapsedMs / 1000, 1);
+ long throughput = totalRecordCount / elapsedSec;
+
+ if (totalExpected > 0) {
+ double pct = totalRecordCount * 100.0 / totalExpected;
+ long remaining = totalRecordCount < totalExpected ? totalExpected - totalRecordCount : 0;
+ long etaSec = throughput > 0 ? remaining / throughput : 0;
+ log.info(
+ "[Shapefile] 진행: {} / {}건 ({}) | 경과: {} | 속도: {}건/s | 예상 남은: {}",
+ String.format("%,d", totalRecordCount),
+ String.format("%,d", totalExpected),
+ String.format("%.1f%%", pct),
+ formatDuration(elapsedSec),
+ String.format("%,d", throughput),
+ formatDuration(etaSec));
+ } else {
+ log.info(
+ "[Shapefile] 진행: {}건 처리 중 | 경과: {} | 속도: {}건/s",
+ String.format("%,d", totalRecordCount),
+ formatDuration(elapsedSec),
+ String.format("%,d", throughput));
+ }
+ }
+
+ private String formatDuration(long seconds) {
+ if (seconds < 60) return seconds + "초";
+ return (seconds / 60) + "분 " + (seconds % 60) + "초";
+ }
+
private void cleanup() {
if (transaction != null) {
try {