Github user steveloughran commented on a diff in the pull request:
https://github.com/apache/spark/pull/14731#discussion_r78932943
--- Diff: docs/streaming-programming-guide.md ---
@@ -644,13 +644,44 @@ methods for creating DStreams from files as input
sources.
</div>
</div>
- Spark Streaming will monitor the directory `dataDirectory` and process
any files created in that directory (files written in nested directories not
supported). Note that
-
- + The files must have the same data format.
- + The files must be created in the `dataDirectory` by atomically
*moving* or *renaming* them into
- the data directory.
- + Once moved, the files must not be changed. So if the files are
being continuously appended, the new data will not be read.
-
+ Spark Streaming will monitor the directory `dataDirectory` and process
any files created in that directory.
+
+ + A simple directory can be supplied, such as
`hdfs://namenode:8040/logs/`.
+ All files directly such a path will be processed as they are
discovered.
+ + A regular expression can be supplied instead, such as
--- End diff --
yes, the input is always a glob. You'd need to \ escape any file with ? in
it.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
