yihua commented on code in PR #11059:
URL: https://github.com/apache/hudi/pull/11059#discussion_r1580706672
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java:
##########
@@ -669,25 +663,23 @@ private HoodieTableMetaClient initializeMetaClient()
throws IOException {
* @return List consisting of {@code DirectoryInfo} for each partition found.
*/
private List<DirectoryInfo> listAllPartitionsFromFilesystem(String
initializationTime) {
- List<SerializablePath> pathsToList = new LinkedList<>();
- pathsToList.add(new SerializablePath(new
CachingPath(dataWriteConfig.getBasePath())));
+ List<StoragePath> pathsToList = new LinkedList<>();
+ pathsToList.add(new StoragePath(dataWriteConfig.getBasePath()));
List<DirectoryInfo> partitionsToBootstrap = new LinkedList<>();
final int fileListingParallelism =
metadataWriteConfig.getFileListingParallelism();
- SerializableConfiguration conf = new
SerializableConfiguration(dataMetaClient.getHadoopConf());
final String dirFilterRegex =
dataWriteConfig.getMetadataConfig().getDirectoryFilterRegex();
final String datasetBasePath = dataMetaClient.getBasePathV2().toString();
- SerializablePath serializableBasePath = new SerializablePath(new
CachingPath(datasetBasePath));
+ StoragePath storageBasePath = new StoragePath(datasetBasePath);
while (!pathsToList.isEmpty()) {
// In each round we will list a section of directories
int numDirsToList = Math.min(fileListingParallelism, pathsToList.size());
// List all directories in parallel
engineContext.setJobStatus(this.getClass().getSimpleName(), "Listing " +
numDirsToList + " partitions from filesystem");
List<DirectoryInfo> processedDirectories =
engineContext.map(pathsToList.subList(0, numDirsToList), path -> {
- FileSystem fs = path.get().getFileSystem(conf.get());
- String relativeDirPath =
FSUtils.getRelativePartitionPath(serializableBasePath.get(), path.get());
- return new DirectoryInfo(relativeDirPath, fs.listStatus(path.get()),
initializationTime);
+ String relativeDirPath =
FSUtils.getRelativePartitionPath(storageBasePath, path);
+ return new DirectoryInfo(relativeDirPath,
metadataMetaClient.getStorage().listDirectEntries(path), initializationTime);
Review Comment:
@wombatu-kun we cannot directly use `metadataMetaClient` as Spark serializes
this object and sends it from the driver to the executor. Serialization of the
meta client is heavy-weight and we avoid that, so we only only serialize the
configuration instead before this PR.
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