Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/5603#discussion_r171553866
--- Diff:
flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java
---
@@ -986,6 +996,14 @@ private void
handlePendingFilesForPreviousCheckpoints(Map<Long, List<String>> pe
return this;
}
+ /**
+ * Sets the prefix of part files. The default is no suffix.
--- End diff --
`prefix` -> `suffix`---
