Fabian Hueske created FLINK-2943:
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Summary: Confusing Bytes/Records "read" and "write" labels in
WebUI job view
Key: FLINK-2943
URL: https://issues.apache.org/jira/browse/FLINK-2943
Project: Flink
Issue Type: Improvement
Components: Webfrontend
Affects Versions: 0.10
Reporter: Fabian Hueske
Fix For: 0.10
The job detail view of the WebUI shows the amount of data and records received
from and sent out by each individual operator. This information is very
valuable, if correctly interpreted.
However, the table headings for the corresponding columns ("Bytes read",
"Records read", "Bytes written", and "Records written") are confusing in my
opinion because they do not indicate that only incoming and outgoing data is
tracked and disk IO is not considered at all.
For example, the UI shows no "Bytes/Records read" and only "Bytes/Records
written" for DataSources which I find counter-intuitive.
I propose to rename these labels to either "X received" and "X sent" or "X
incoming" and "X outgoing" to make clear that this information only affects
incoming and outgoing data.
Opinions?
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