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chrislu
94615996ed
Issue: EOF exceptions when reading immediately after write - Files appear truncated by ~78 bytes on first read - SeaweedOutputStream.close() does wait for all chunks via Future.get() - But distributed file systems can have eventual consistency delays Workaround: - Increase spark.task.maxFailures from default 1 to 4 - Allows Spark to automatically retry failed read tasks - If file becomes consistent after 1-2 seconds, retry succeeds This is a pragmatic solution for testing. The proper fix would be: 1. Ensure SeaweedOutputStream.close() waits for volume server acknowledgment 2. Or add explicit sync/flush mechanism in SeaweedFS client 3. Or investigate if metadata is updated before data is fully committed For CI tests, automatic retries should mask the consistency delay.