Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4547#discussion_r134448971
--- Diff: docs/monitoring/debugging_event_time.md ---
@@ -31,11 +31,7 @@ Flink's [event time]({{ site.baseurl
}}/dev/event_time.html) and watermark suppo
out-of-order events. However, it's harder to understand what exactly is
going on because the progress of time
is tracked within the system.
-There are plans (see
[FLINK-3427](https://issues.apache.org/jira/browse/FLINK-3427)) to show the
current low watermark
-for each operator in the Flink web interface.
-
-Until this feature is implemented the current low watermark for each task
can be accessed through the
-[metrics system]({{ site.baseurl }}/monitoring/metrics.html).
+Low watermarks of each task can be accessed from either Flink web
interface or Flink [metrics system]({{ site.baseurl }}/monitoring/metrics.html).
--- End diff --
I would reword it to "can be access through the Flink web interface or
metrics system".
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