Adar Dembo created KUDU-1966:
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Summary: Data directories can be removed erroneously
Key: KUDU-1966
URL: https://issues.apache.org/jira/browse/KUDU-1966
Project: Kudu
Issue Type: Bug
Components: fs
Affects Versions: 1.4.0
Reporter: Adar Dembo
Assignee: Adar Dembo
Kudu data directories can be removed in between starts of a server, which will
lead to tablet bootstrap failures. There exists logic to protect against this
(see
[PathInstanceMetadataFile::CheckIntegrity()|https://github.com/apache/kudu/blob/master/src/kudu/fs/block_manager_util.h#L78]),
but it was missing a key check to ensure that no directory had been removed
from the set.
To be clear, we do want to support removing data directories, but in a more
structured and protected manner. For the time being, we should close this
loophole.
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