kaijchen commented on code in PR #4236:
URL: https://github.com/apache/ozone/pull/4236#discussion_r1095845345
##########
hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestKeyManagerImpl.java:
##########
@@ -1351,6 +1353,51 @@ public void testGetFileStatusWithFakeDir() throws
IOException {
Assert.assertTrue(ozoneFileStatus.isFile());
}
+ @Test
+ public void testGetFileStatusWithFakeDirForHDDS7871() throws IOException {
+ String dirName = "foo2";
+ String fileName = "bar2";
+ String keyName1 = "foo1";
+ // keyName2 = "foo2/bar2"
+ String keyName2 = dirName + OZONE_URI_DELIMITER + fileName;
+ OzoneFileStatus ozoneFileStatus;
+
+ // create a key "foo1" in bucket1
+ OmKeyArgs keyArgs =
createBuilder(BUCKET_NAME).setKeyName(keyName1).build();
+ OpenKeySession keySession = writeClient.openKey(keyArgs);
+ keyArgs.setLocationInfoList(
+ keySession.getKeyInfo().getLatestVersionLocations().getLocationList());
+ writeClient.commitKey(keyArgs, keySession.getId());
+
+ // create a key "foo2/bar2" in bucket2
+ keyArgs = createBuilder(BUCKET2_NAME).setKeyName(keyName2).build();
+ keySession = writeClient.createFile(keyArgs, true, true);
+ keyArgs.setLocationInfoList(
+ keySession.getKeyInfo().getLatestVersionLocations().getLocationList());
+ writeClient.commitKey(keyArgs, keySession.getId());
+
+ // Verify the following dbKeys in key table:
+ // 1. "volume1/bucket1/foo1"
+ // 2. "volume1/bucket2/foo2/bar2"
+ Assert.assertNotNull(metadataManager.getKeyTable(getDefaultBucketLayout())
+ .get(metadataManager.getOzoneKey(VOLUME_NAME, BUCKET_NAME, keyName1)));
+ Assert.assertNotNull(metadataManager.getKeyTable(getDefaultBucketLayout())
+ .get(metadataManager.getOzoneKey(VOLUME_NAME, BUCKET2_NAME,
keyName2)));
+
+ // get a non-existing "foo2" from bucket1, RocksIter#seek() will find the
+ // 2nd dbKey "volume1/bucket2/foo2/bar2", which is not belong to bucket1.
Review Comment:
> `RocksIterator#seek()` may position at the key **past the target**
Yes, here seeking `volume1/bucket1/foo2/`, it will position at
`volume1/bucket2/foo2/bar2`.
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