Ethan Rose created HDDS-11253:
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Summary: Handle corrupted merkle tree files
Key: HDDS-11253
URL: https://issues.apache.org/jira/browse/HDDS-11253
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ethan Rose
Assignee: Ethan Rose
A merkle tree file may be corrupted during write or by some other error. This
should only be a temporary problem since the scanner will rewrite it on its
next run. Until that happens failures should be handled accordingly:
* Clients calling the readMerkleTree API should be able to cleanly fail on a
corrupted file. The server does not deserialize it before sending.
* Reconciliation should regenerate a local checksum file if it is corrupted, as
if it does not exist.
* File write can be done by renaming a temp file into place to avoid corruption
from partial writes. The file would either be present or absent if a write
fails, but not partially written.
* Tests using corrupted files should be added.
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