CASSANDRA-21673 Fix incorrect fsync usage - #5151

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alanwang67 wants to merge 1 commit into

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alanwang67:sync

alanwang67 commented Sep 10, 2026

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In FileUtils, we do not flush the buffer prior to calling fsync
When rewriting SSTableMetadata we do not call fsync
We do not call fsync on the parent directory in Paxos Ballot
CommitLogSegment does not fsync logFile directory
fsync file directory in hints writer
fsync file directory for UncommittedDataFile.Writer.finish

patch by Alan Wang;

reviewed by for CASSANDRA-21673

Co-authored-by: Name1
Co-authored-by: Name2

fix

18f4ab7

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