kaijchen commented on code in PR #4236:
URL: https://github.com/apache/ozone/pull/4236#discussion_r1096478075
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/KeyManagerImpl.java:
##########
@@ -1178,21 +1178,18 @@ private OmKeyInfo createFakeDirIfShould(String volume,
String bucket,
String keyName, BucketLayout layout) throws IOException {
OmKeyInfo fakeDirKeyInfo = null;
String dirKey = OzoneFSUtils.addTrailingSlashIfNeeded(keyName);
- String fileKeyBytes = metadataManager.getOzoneKey(volume, bucket, keyName);
+ String targetKey = OzoneFSUtils.addTrailingSlashIfNeeded(
+ metadataManager.getOzoneKey(volume, bucket, keyName));
try (TableIterator<String, ? extends Table.KeyValue<String, OmKeyInfo>>
keyTblItr = metadataManager.getKeyTable(layout).iterator()) {
- Table.KeyValue<String, OmKeyInfo> keyValue =
- keyTblItr
- .seek(OzoneFSUtils.addTrailingSlashIfNeeded(fileKeyBytes));
-
- if (keyValue != null) {
- Path fullPath = Paths.get(keyValue.getValue().getKeyName());
- Path subPath = Paths.get(dirKey);
- OmKeyInfo omKeyInfo = keyValue.getValue();
- if (fullPath.startsWith(subPath)) {
- // create fake directory
- fakeDirKeyInfo = createDirectoryKey(omKeyInfo, dirKey);
- }
+ Table.KeyValue<String, OmKeyInfo> keyValue = keyTblItr.seek(targetKey);
+
+ // HDDS-7871: RocksIterator#seek() may position at the key
Review Comment:
Thanks for the info. I will look into this scenario also.
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