liziyan-lzy commented on code in PR #12254: URL: https://github.com/apache/iceberg/pull/12254#discussion_r2111137312
########## spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/DeleteOrphanFilesSparkAction.java: ########## @@ -303,39 +310,89 @@ private Dataset<String> listedFileDS() { List<String> subDirs = Lists.newArrayList(); List<String> matchingFiles = Lists.newArrayList(); - Predicate<FileStatus> predicate = file -> file.getModificationTime() < olderThanTimestamp; PathFilter pathFilter = PartitionAwareHiddenPathFilter.forSpecs(table.specs()); - // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have - // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the driver - listDirRecursively( - location, - predicate, - hadoopConf.value(), - MAX_DRIVER_LISTING_DEPTH, - MAX_DRIVER_LISTING_DIRECT_SUB_DIRS, - subDirs, - pathFilter, - matchingFiles); - - JavaRDD<String> matchingFileRDD = sparkContext().parallelize(matchingFiles, 1); - - if (subDirs.isEmpty()) { + if (usePrefixListing) { + Preconditions.checkArgument( + table.io() instanceof SupportsPrefixOperations, + "Table file io should prefix operations when using prefix list."); Review Comment: Thank you very much for identifying this issue. I’ve corrected it now. ########## spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/DeleteOrphanFilesSparkAction.java: ########## @@ -303,39 +310,89 @@ private Dataset<String> listedFileDS() { List<String> subDirs = Lists.newArrayList(); List<String> matchingFiles = Lists.newArrayList(); - Predicate<FileStatus> predicate = file -> file.getModificationTime() < olderThanTimestamp; PathFilter pathFilter = PartitionAwareHiddenPathFilter.forSpecs(table.specs()); - // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have - // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the driver - listDirRecursively( - location, - predicate, - hadoopConf.value(), - MAX_DRIVER_LISTING_DEPTH, - MAX_DRIVER_LISTING_DIRECT_SUB_DIRS, - subDirs, - pathFilter, - matchingFiles); - - JavaRDD<String> matchingFileRDD = sparkContext().parallelize(matchingFiles, 1); - - if (subDirs.isEmpty()) { + if (usePrefixListing) { + Preconditions.checkArgument( + table.io() instanceof SupportsPrefixOperations, + "Table file io should prefix operations when using prefix list."); + + Predicate<org.apache.iceberg.io.FileInfo> predicate = + fileInfo -> fileInfo.createdAtMillis() < olderThanTimestamp; + listDirRecursivelyWithFileIO( + (SupportsPrefixOperations) table.io(), location, predicate, pathFilter, matchingFiles); + + JavaRDD<String> matchingFileRDD = sparkContext().parallelize(matchingFiles, 1); return spark().createDataset(matchingFileRDD.rdd(), Encoders.STRING()); + } else { + Predicate<FileStatus> predicate = file -> file.getModificationTime() < olderThanTimestamp; + // list at most MAX_DRIVER_LISTING_DEPTH levels and only dirs that have + // less than MAX_DRIVER_LISTING_DIRECT_SUB_DIRS direct sub dirs on the driver + listDirRecursivelyWithHadoop( + location, + predicate, + hadoopConf.value(), + MAX_DRIVER_LISTING_DEPTH, + MAX_DRIVER_LISTING_DIRECT_SUB_DIRS, + subDirs, + pathFilter, + matchingFiles); + + JavaRDD<String> matchingFileRDD = sparkContext().parallelize(matchingFiles, 1); + + if (subDirs.isEmpty()) { + return spark().createDataset(matchingFileRDD.rdd(), Encoders.STRING()); + } + + int parallelism = Math.min(subDirs.size(), listingParallelism); + JavaRDD<String> subDirRDD = sparkContext().parallelize(subDirs, parallelism); + + Broadcast<SerializableConfiguration> conf = sparkContext().broadcast(hadoopConf); + ListDirsRecursively listDirs = new ListDirsRecursively(conf, olderThanTimestamp, pathFilter); + JavaRDD<String> matchingLeafFileRDD = subDirRDD.mapPartitions(listDirs); + + JavaRDD<String> completeMatchingFileRDD = matchingFileRDD.union(matchingLeafFileRDD); + return spark().createDataset(completeMatchingFileRDD.rdd(), Encoders.STRING()); + } + } + + private static void listDirRecursivelyWithFileIO( + SupportsPrefixOperations io, + String dir, + Predicate<org.apache.iceberg.io.FileInfo> predicate, + PathFilter pathFilter, + List<String> matchingFiles) { + String listPath = dir; + if (!dir.endsWith("/")) { + listPath = dir + "/"; + } + + Iterable<org.apache.iceberg.io.FileInfo> files = io.listPrefix(listPath); + for (org.apache.iceberg.io.FileInfo file : files) { + Path path = new Path(file.location()); Review Comment: Thanks for highlight this. I’ll verify the issue to ensure proper path handling for S3, etc., and will follow up if it is an issue. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org