nsivabalan commented on code in PR #8527:
URL: https://github.com/apache/hudi/pull/8527#discussion_r1181247986
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hudi-client/hudi-client-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadataWriter.java:
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@@ -731,21 +733,40 @@ public void
initializeMetadataPartitions(HoodieTableMetaClient dataMetaClient, L
*/
private void initializeFileGroups(HoodieTableMetaClient dataMetaClient,
MetadataPartitionType metadataPartition, String instantTime,
int fileGroupCount) throws IOException {
- final HashMap<HeaderMetadataType, String> blockHeader = new HashMap<>();
- blockHeader.put(HeaderMetadataType.INSTANT_TIME, instantTime);
+ // Remove all existing file groups or leftover files in the partition
+ final Path partitionPath = new Path(metadataWriteConfig.getBasePath(),
metadataPartition.getPartitionPath());
+ FileSystem fs = metadataMetaClient.getFs();
+ try {
+ final FileStatus[] existingFiles = fs.listStatus(partitionPath);
+ if (existingFiles.length > 0) {
+ LOG.warn("Deleting all existing files found in MDT partition " +
metadataPartition.getPartitionPath());
+ fs.delete(partitionPath, true);
+ ValidationUtils.checkState(!fs.exists(partitionPath), "Failed to
delete MDT partition " + metadataPartition);
+ }
+ } catch (FileNotFoundException e) {
Review Comment:
if some deletion fails, we will throw all the way right and fail the
ingestion thread?
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