Added iceberg write configs

backends-velox/src/main/scala/org/apache/gluten/config/VeloxConfig.scala

@@ -751,4 +751,40 @@ object VeloxConfig extends ConfigRegistry {
       .doc("Maps table field names to file field names using names, not indices for Parquet files.")
       .booleanConf
       .createWithDefault(true)
+
+  val ICEBERG_WRITE_TARGET_FILE_SIZE_BYTES =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.target-file-size-bytes")
+      .doc("Target file size in bytes for Iceberg write operations.")
+      .bytesConf(ByteUnit.BYTE)
+      .createWithDefaultString("512MB")
+
+  val ICEBERG_WRITE_PARQUET_COMPRESSION_CODEC =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.compression-codec")
+      .doc("Compression codec to use for Iceberg Parquet write operations.")
+      .stringConf
+      .createWithDefault("zstd")
+
+  val ICEBERG_WRITE_PARQUET_COMPRESSION_LEVEL =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.compression-level")
+      .doc("Compression level for Iceberg Parquet write operations.")
+      .intConf
+      .createOptional
+
+  val ICEBERG_WRITE_PARQUET_ROW_GROUP_SIZE_BYTES =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.row-group-size-bytes")
+      .doc("Row group size in bytes for Iceberg Parquet write operations.")
+      .bytesConf(ByteUnit.BYTE)
+      .createWithDefaultString("128MB")
+
+  val ICEBERG_WRITE_PARQUET_PAGE_SIZE_BYTES =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.page-size-bytes")
+      .doc("Page size in bytes for Iceberg Parquet write operations.")
+      .bytesConf(ByteUnit.BYTE)
+      .createWithDefaultString("1MB")
+
+  val ICEBERG_WRITE_PARQUET_PAGE_ROW_LIMIT =
+    buildConf("spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.page-row-limit")
+      .doc("Maximum number of rows per page for Iceberg Parquet write operations.")
+      .intConf
+      .createWithDefault(20000)
 }

cpp/velox/config/VeloxConfig.h

@@ -166,9 +166,23 @@ const std::string kMemoryPoolCapacityTransferAcrossTasks =
 const std::string kOrcUseColumnNames = "spark.gluten.sql.columnar.backend.velox.orcUseColumnNames";
 const std::string kParquetUseColumnNames = "spark.gluten.sql.columnar.backend.velox.parquetUseColumnNames";
 
-// write fies
+// write files
 const std::string kMaxPartitions = "spark.gluten.sql.columnar.backend.velox.maxPartitionsPerWritersSession";
 
+// Iceberg write configs
+const std::string kIcebergWriteTargetFileSizeBytes =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.target-file-size-bytes";
+const std::string kIcebergWriteParquetCompressionCodec =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.compression-codec";
+const std::string kIcebergWriteParquetCompressionLevel =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.compression-level";
+const std::string kIcebergWriteParquetRowGroupSizeBytes =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.row-group-size-bytes";
+const std::string kIcebergWriteParquetPageSizeBytes =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.page-size-bytes";
+const std::string kIcebergWriteParquetPageRowLimit =
+    "spark.gluten.sql.columnar.backend.velox.iceberg.write.parquet.page-row-limit";
+
 const std::string kGlogVerboseLevel = "spark.gluten.sql.columnar.backend.velox.glogVerboseLevel";
 const uint32_t kGlogVerboseLevelDefault = 0;
 const uint32_t kGlogVerboseLevelMaximum = 99;

cpp/velox/utils/ConfigExtractor.cc

@@ -240,6 +240,19 @@ std::shared_ptr<facebook::velox::config::ConfigBase> createHiveConnectorSessionC
   configs[facebook::velox::connector::hive::HiveConfig::kOrcUseColumnNamesSession] =
       conf->get<bool>(kOrcUseColumnNames, true) ? "true" : "false";
 
+  if (conf->isValueExists(kIcebergWriteTargetFileSizeBytes)) {
+    configs[facebook::velox::connector::hive::HiveConfig::kMaxTargetFileSizeSession] =
+        conf->get<std::string>(kIcebergWriteTargetFileSizeBytes);
+  }
+  if (conf->isValueExists(kIcebergWriteParquetPageSizeBytes)) {
+    configs[facebook::velox::parquet::WriterOptions::kParquetSessionWritePageSize] =
+        conf->get<std::string>(kIcebergWriteParquetPageSizeBytes);
+  }
+  if (conf->isValueExists(kIcebergWriteParquetRowGroupSizeBytes)) {
+    configs[facebook::velox::parquet::WriterOptions::kParquetSessionWriteBatchSize] =
+        conf->get<std::string>(kIcebergWriteParquetRowGroupSizeBytes);
+  }
+
   overwriteVeloxConf(conf.get(), configs, kDynamicBackendConfPrefix);
   return std::make_shared<facebook::velox::config::ConfigBase>(std::move(configs));
 }