jojochuang opened a new pull request, #10545:
URL: https://github.com/apache/ozone/pull/10545
## What changes were proposed in this pull request?
HDDS-14435. Fix snapshotUsedNamespace underflow when FSO directory is
deleted and purged
Please describe your PR in detail:
• The Problem: FSO directories have no blocks, so directory deletion
incorrectly evaluated to isKeyNonEmpty = false . This decremented the active
bucket namespace usedNamespace but did not increment
snapshotUsedNamespace , causing a mismatch when the directory was later purged
(unconditionally
decrementing snapshotUsedNamespace by 1 and underflowing the count to
-1 ).
• The Fix: Updated OMKeyDeleteRequestWithFSO.java to shift the namespace
quota to the snapshot namespace on deletion if it is either a non-empty key or a
directory (
isKeyNonEmpty || keyStatus.isDirectory() ).
• Test Utils Alignment: Updated mock deleteDir helper in
OMRequestTestUtils.java to align with actual deletion quota tracking.
• Regression Test: Added a test case
testSnapshotUsedNamespaceAfterDirectoryDeleteAndPurge in
TestOMKeyDeleteRequestWithFSO.java to verify that
directory deletion
followed by a purge does not cause negative snapshotUsedNamespace values.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-14435
## How was this patch tested?
New unit test
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