Hi Wu, The uid is used to distinguish between the different subtasks, if removed, the different subtasks of the filesink would have name conflicts if they writes to the same bucket, thus the uid should be necessary if there are multiple subtasks.
Best, Yun ------------------Original Mail ------------------ Sender:wu shaoj <shao...@gmail.com> Send Date:Fri Oct 8 14:18:34 2021 Recipients:dev@flink.apache.org <dev@flink.apache.org> Subject:What's the purpose of uniqueId in FileWriterBucket Hi, folks, From 1.14, file sink add a uid to a committed file, so would you mind to tell me what’s the purpose of this field? Can it be removed safely? https://nightlies.apache.org/flink/flink-docs-release-1.14/docs/connectors/datastream/file_sink/#part-file-configuration
