sadanand48 commented on code in PR #4008:
URL: https://github.com/apache/ozone/pull/4008#discussion_r1037927351
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hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/service/DirectoryDeletingService.java:
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@@ -148,61 +150,52 @@ public BackgroundTaskResult call() throws Exception {
deleteTableIterator = ozoneManager.getMetadataManager().
getDeletedDirTable().iterator()) {
+ List<Pair<String, OmKeyInfo>> allSubDirList
+ = new ArrayList<>((int) remainNum);
long startTime = Time.monotonicNow();
while (remainNum > 0 && deleteTableIterator.hasNext()) {
pendingDeletedDirInfo = deleteTableIterator.next();
- // step-0: Get one pending deleted directory
- if (LOG.isDebugEnabled()) {
- LOG.debug("Pending deleted dir name: {}",
- pendingDeletedDirInfo.getValue().getKeyName());
- }
- final String[] keys = pendingDeletedDirInfo.getKey()
- .split(OM_KEY_PREFIX);
- final long volumeId = Long.parseLong(keys[1]);
- final long bucketId = Long.parseLong(keys[2]);
-
- // step-1: get all sub directories under the deletedDir
- List<OmKeyInfo> subDirs = ozoneManager.getKeyManager()
- .getPendingDeletionSubDirs(volumeId, bucketId,
- pendingDeletedDirInfo.getValue(), remainNum);
- remainNum = remainNum - subDirs.size();
-
- if (LOG.isDebugEnabled()) {
- for (OmKeyInfo dirInfo : subDirs) {
- LOG.debug("Moved sub dir name: {}", dirInfo.getKeyName());
- }
- }
-
- // step-2: get all sub files under the deletedDir
- List<OmKeyInfo> subFiles = ozoneManager.getKeyManager()
- .getPendingDeletionSubFiles(volumeId, bucketId,
- pendingDeletedDirInfo.getValue(), remainNum);
- remainNum = remainNum - subFiles.size();
-
- if (LOG.isDebugEnabled()) {
- for (OmKeyInfo fileInfo : subFiles) {
- LOG.debug("Moved sub file name: {}", fileInfo.getKeyName());
- }
- }
-
- // step-3: Since there is a boundary condition of 'numEntries' in
- // each batch, check whether the sub paths count reached batch size
- // limit. If count reached limit then there can be some more child
- // paths to be visited and will keep the parent deleted directory
- // for one more pass.
- String purgeDeletedDir = remainNum > 0 ?
- pendingDeletedDirInfo.getKey() : null;
- PurgePathRequest request = wrapPurgeRequest(volumeId, bucketId,
- purgeDeletedDir, subFiles, subDirs);
+ PurgePathRequest request = prepareDeleteDirRequest(
+ remainNum, pendingDeletedDirInfo.getValue(),
Review Comment:
Got it , Thanks for explaining!
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