zsxwing commented on issue #25333: [SPARK-28597][SS] Add config to retry spark streaming's meta log when it met error URL: https://github.com/apache/spark/pull/25333#issuecomment-555148342 > Does it make sense to make `HDFSMetaDataLog.writeBatchToFile` idempotent ? Metadata log is so important that we should try our best to commit it. How often can this happen after fixing this HDFS issue? Making this method idempotent requires non-trivial changes.
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