TheR1sing3un commented on code in PR #13070:
URL: https://github.com/apache/hudi/pull/13070#discussion_r2051923424
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieFileIndex.scala:
##########
@@ -169,26 +169,29 @@ case class HoodieFileIndex(spark: SparkSession,
val prunedPartitionsAndFilteredFileSlices = filterFileSlices(dataFilters,
partitionFilters).map {
case (partitionOpt, fileSlices) =>
if (shouldEmbedFileSlices) {
- val baseFileStatusesAndLogFileOnly: Seq[FileStatus] =
fileSlices.map(slice => {
- if (slice.getBaseFile.isPresent) {
+ val logFileEstimationFraction =
options.getOrElse(HoodieStorageConfig.LOGFILE_TO_PARQUET_COMPRESSION_RATIO_FRACTION.key(),
+
HoodieStorageConfig.LOGFILE_TO_PARQUET_COMPRESSION_RATIO_FRACTION.defaultValue()).toDouble
+ // 1. Generate a disguised representative file for each file slice,
which spark uses to optimize rdd partition parallelism based on data such as
file size
Review Comment:
> disguised -> delegate?
done~
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieFileIndex.scala:
##########
@@ -169,26 +169,29 @@ case class HoodieFileIndex(spark: SparkSession,
val prunedPartitionsAndFilteredFileSlices = filterFileSlices(dataFilters,
partitionFilters).map {
case (partitionOpt, fileSlices) =>
if (shouldEmbedFileSlices) {
- val baseFileStatusesAndLogFileOnly: Seq[FileStatus] =
fileSlices.map(slice => {
- if (slice.getBaseFile.isPresent) {
+ val logFileEstimationFraction =
options.getOrElse(HoodieStorageConfig.LOGFILE_TO_PARQUET_COMPRESSION_RATIO_FRACTION.key(),
+
HoodieStorageConfig.LOGFILE_TO_PARQUET_COMPRESSION_RATIO_FRACTION.defaultValue()).toDouble
+ // 1. Generate a disguised representative file for each file slice,
which spark uses to optimize rdd partition parallelism based on data such as
file size
+ // For file slice only has base file, we directly use the base file
size as representative file size
+ // For file slice has log file, we estimate the representative file
size based on the log file size and option(base file) size
+ val representFiles = fileSlices.map(slice => {
Review Comment:
> delegateFiles
done
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