Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/5860#discussion_r183753866
--- Diff:
flink-connectors/flink-connector-filesystem/src/main/java/org/apache/flink/streaming/connectors/fs/bucketing/BucketingSink.java
---
@@ -87,9 +87,11 @@
* and a rolling counter. For example the file {@code "part-1-17"}
contains the data from
* {@code subtask 1} of the sink and is the {@code 17th} bucket created by
that subtask. Per default
* the part prefix is {@code "part"} but this can be configured using
{@link #setPartPrefix(String)}.
- * When a part file becomes bigger than the user-specified batch size the
current part file is closed,
- * the part counter is increased and a new part file is created. The batch
size defaults to {@code 384MB},
- * this can be configured using {@link #setBatchSize(long)}.
+ * When a part file becomes bigger than the user-specified batch size or
when the part file becomes older
+ * than the user-specified roll over interval the current part file is
closed,the part counter is increased
--- End diff --
Add space `closed,the` -> `closed, the`
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