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[VL] Adding configurations on max write file size #11606

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[VL] Adding configurations on max write file size #11606

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1b8fe5d
[VL] Adding configurations on max write file size
zhouyuan Feb 11, 2026
a84a31d
use hive config
zhouyuan Mar 13, 2026
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10 changes: 10 additions & 0 deletions backends-velox/src/main/scala/org/apache/gluten/config/VeloxConfig.scala
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Expand Up @@ -274,6 +274,16 @@ object VeloxConfig extends ConfigRegistry {
.checkValue(_ > 0, "must be a positive number")
.createWithDefault(10000)

val MAX_TARGET_FILE_SIZE_SESSION =
buildConf("spark.gluten.sql.columnar.backend.velox.maxTargetFileSize")
.doc(
"The target file size for each output file when writing data. " +
"0 means no limit on target file size, and the actual file size will be determined by " +
"other factors such as max partition number and shuffle batch size.")
.bytesConf(ByteUnit.BYTE)
.checkValue(_ >= 0, "must be a non-negative number")
.createWithDefault(0)

val COLUMNAR_VELOX_RESIZE_BATCHES_SHUFFLE_INPUT =
buildConf("spark.gluten.sql.columnar.backend.velox.resizeBatches.shuffleInput")
.doc(
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1 change: 1 addition & 0 deletions cpp/velox/config/VeloxConfig.h
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Expand Up @@ -160,6 +160,7 @@ const std::string kParquetUseColumnNames = "spark.gluten.sql.columnar.backend.ve

// write fies
const std::string kMaxPartitions = "spark.gluten.sql.columnar.backend.velox.maxPartitionsPerWritersSession";
const std::string kMaxTargetFileSize = "spark.gluten.sql.columnar.backend.velox.maxTargetFileSize";

const std::string kGlogVerboseLevel = "spark.gluten.sql.columnar.backend.velox.glogVerboseLevel";
const uint32_t kGlogVerboseLevelDefault = 0;
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2 changes: 2 additions & 0 deletions cpp/velox/utils/ConfigExtractor.cc
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Expand Up @@ -231,6 +231,8 @@ std::shared_ptr<facebook::velox::config::ConfigBase> createHiveConnectorSessionC
configs[facebook::velox::connector::hive::HiveConfig::kReadTimestampUnitSession] = std::string("6");
configs[facebook::velox::connector::hive::HiveConfig::kMaxPartitionsPerWritersSession] =
conf->get<std::string>(kMaxPartitions, "10000");
configs[facebook::velox::connector::hive::HiveConfig::kMaxTargetFileSize] =
conf->get<std::string>(kMaxTargetFileSize, "0B"); // 0 means no limit on target file size
configs[facebook::velox::connector::hive::HiveConfig::kIgnoreMissingFilesSession] =
conf->get<bool>(kIgnoreMissingFiles, false) ? "true" : "false";
configs[facebook::velox::connector::hive::HiveConfig::kParquetUseColumnNamesSession] =
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1 change: 1 addition & 0 deletions docs/velox-configuration.md
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Expand Up @@ -48,6 +48,7 @@ nav_order: 16
| spark.gluten.sql.columnar.backend.velox.maxSpillFileSize | 1GB | The maximum size of a single spill file created |
| spark.gluten.sql.columnar.backend.velox.maxSpillLevel | 4 | The max allowed spilling level with zero being the initial spilling level |
| spark.gluten.sql.columnar.backend.velox.maxSpillRunRows | 3M | The maximum row size of a single spill run |
| spark.gluten.sql.columnar.backend.velox.maxTargetFileSize | 0b | The target file size for each output file when writing data. 0 means no limit on target file size, and the actual file size will be determined by other factors such as max partition number and shuffle batch size. |
| spark.gluten.sql.columnar.backend.velox.memCacheSize | 1GB | The memory cache size |
| spark.gluten.sql.columnar.backend.velox.memInitCapacity | 8MB | The initial memory capacity to reserve for a newly created Velox query memory pool. |
| spark.gluten.sql.columnar.backend.velox.memoryPoolCapacityTransferAcrossTasks | true | Whether to allow memory capacity transfer between memory pools from different tasks. |
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