yew1eb commented on PR #3768:
URL: https://github.com/apache/celeborn/pull/3768#issuecomment-5278712765
Thanks @pan3793. Added an example Spark cluster (1 master + 2 workers) to
docker-compose so the stack can be exercised end-to-end.
Spark runs inside `celeborn-net` and contacts the master directly via
`spark.celeborn.master.endpoints=celeborn-master:9097`, so no
worker ports need to be exposed — worker push/fetch ports stay random,
handed out by the master.
```
./docker/build-image.sh -Pspark-3.5 # celeborn:dev + celeborn-spark:dev
docker compose -f docker/docker-compose.yaml up -d
docker exec celeborn-spark-master /opt/spark/bin/spark-submit \
--master spark://celeborn-spark-master:7077 \
--class org.apache.spark.examples.GroupByTest \
/opt/spark/examples/jars/spark-examples_2.12-3.5.0.jar 10 100 1000 10
```
<img width="2538" height="760" alt="image"
src="https://github.com/user-attachments/assets/7e0c98c5-a3ad-4d3c-821e-c5c741c7c401";
/>
<img width="2474" height="990" alt="image"
src="https://github.com/user-attachments/assets/930245bf-aea4-499d-88c2-2b50f79bd7df";
/>
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