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new abd31fc [FLINK-11388][docs][oss]Update docs for OSS Recoverable writer
abd31fc is described below
commit abd31fc7de06b5041f75556cdcce2fb2acfc85a7
Author: Jinhu Wu <[email protected]>
AuthorDate: Fri Apr 1 13:20:51 2022 +0800
[FLINK-11388][docs][oss]Update docs for OSS Recoverable writer
This closes #19292
---
docs/content/docs/connectors/datastream/filesystem.md | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/docs/content/docs/connectors/datastream/filesystem.md
b/docs/content/docs/connectors/datastream/filesystem.md
index 1a116e0..a74fdf3d 100644
--- a/docs/content/docs/connectors/datastream/filesystem.md
+++ b/docs/content/docs/connectors/datastream/filesystem.md
@@ -1050,8 +1050,8 @@ Given this, when trying to restore from an old
checkpoint/savepoint which assume
by subsequent successful checkpoints, the `FileSink` will refuse to resume and
will throw an exception as it cannot locate the
in-progress file.
-<span class="label label-danger">Important Note 4</span>: Currently, the
`FileSink` only supports three filesystems:
-HDFS, S3, and Local. Flink will throw an exception when using an unsupported
filesystem at runtime.
+<span class="label label-danger">Important Note 4</span>: Currently, the
`FileSink` only supports four filesystems:
+HDFS, S3, OSS, and Local. Flink will throw an exception when using an
unsupported filesystem at runtime.
#### BATCH-specific
@@ -1086,5 +1086,11 @@ aggressively and take a savepoint with some part-files
being not fully uploaded,
before the job is restarted. This will result in your job not being able to
restore from that savepoint as the
pending part-files are no longer there and Flink will fail with an exception
as it tries to fetch them and fails.
+#### OSS-specific
+
+<span class="label label-danger">Important Note</span>: To guarantee
exactly-once semantics while
+being efficient, the `FileSink` also uses the [Multi-part
Upload](https://help.aliyun.com/document_detail/155825.html)
+feature of OSS(similar with S3).
+
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