Janus Chow created HDDS-17376:
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Summary: TestOmSnapshotDefragSpaceSavings repeated-defrag
tolerance should scale with the number of OM tables
Key: HDDS-17376
URL: https://issues.apache.org/jira/browse/HDDS-17376
Project: Apache Ozone
Issue Type: Improvement
Reporter: Janus Chow
Assignee: Janus Chow
{{testObsRepeatedDefragDoesNotIncreaseCheckpointFootprint}} uses a fixed 16 KiB
tolerance. The footprint counts all checkpoint files, including OPTIONS,
MANIFEST and LOG, which RocksDB rewrites per column family when re-triggered
defrag reopens each checkpoint. Adding a single OM table (versionedKeyTable in
HDDS-15728) pushed the growth to 16402 bytes, 18 bytes over the limit. Scale
the tolerance with the number of tables in OMDBDefinition instead.
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