Elek, Marton created HDDS-898:
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Summary: Continue token should contain the previous dir in Ozone
s3g object list
Key: HDDS-898
URL: https://issues.apache.org/jira/browse/HDDS-898
Project: Hadoop Distributed Data Store
Issue Type: Sub-task
Reporter: Elek, Marton
Assignee: Elek, Marton
Let's imagine we have the following keys:
test/dir1/file1
test/dir2/file1
test/dir2/file2
test/dir3/file1
With the object list endpoint (separator=/) we will return with a list where
the directories are also added (they are added during the iteration):
*test/dir1
*test/dir2
*test/dir3
test/dir3/file1
Now limit the results to 2:
First call:
test/dir1/file1 --> this should be added to the results as dir1/ (first result)
test/dir2/file1 --> this should be added to the restuls as dir2/ (second result)
the iteration can be continued from key: test/dir2/file2
Second call, with continue token, continue the iteration from test/dir2/file2
test/dir2/file2 --> this will be added as dir2 (!!!) as we have no information
if it has already been added
test/dir3/file1 --> will be dir3
Sumary: we don't know if the dynamic dir entry is already added or not.
Solution: we can add this information to the encoded continue token and decode
it at the next iteration.
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