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Subject [GitHub] wonook commented on a change in pull request #183: [NEMO-320] Make WebUI scale to big workloads
Date Mon, 17 Dec 2018 05:51:45 GMT
wonook commented on a change in pull request #183: [NEMO-320] Make WebUI scale to big workloads

 File path:
 @@ -124,21 +124,24 @@ This example configuration specifies
 * 12 transient containers with 4 cores and 1024MB memory each
 * 1 reserved container with 2 cores and 1024MB memory
-## Monitoring your job using web UI
-Nemo Compiler and Engine can store JSON representation of intermediate DAGs.
-* `-dag_dir` command line option is used to specify the directory where the JSON files are
stored. The default directory is `./dag`.
-  Using our [online visualizer](https:/, you can easily
visualize a DAG. Just drop the JSON file of the DAG as an input to it.
+## Monitoring your job using Web UI
+Please refer to the instructions at `web-ui/` to run the frontend.
+### Visualizing metric on run-time
+While Nemo driver is alive, it can post runtime metrics through websocket. At your frontend,
add websocket endpoint
-### Examples
-./bin/ \
-	-job_id als \
-	-executor_json `pwd`/examples/resources/executors/beam_test_executor_resources.json \
-  	-user_main org.apache.nemo.examples.beam.AlternatingLeastSquare \
-  	-optimization_policy org.apache.nemo.compiler.optimizer.policy.TransientResourcePolicy
-  	-dag_dir "./dag/als" \
-  	-user_args "`pwd`/examples/resources/inputs/test_input_als 10 3"
+where `<DRIVER>` is the hostname that Nemo driver runs.
+### Post-job analysis
+On job completion, the Nemo driver creates `metric.json` at the directory specified by `-dag_dir`
option. At your frontend, add the JSON file to do post-job analysis.
 Review comment:
   Would it make more sense to produce a file like `[job_name]_metric.json` instead of just
`metric.json`, as that's the name displayed on the web UI?

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