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[SPARK-30743][K8S][TESTS] Use JRE instead of JDK in K8S test docker image

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### What changes were proposed in this pull request?

This PR aims to replace JDK to JRE in K8S integration test docker images.

### Why are the changes needed?

This will save some resources and make it sure that we only need JRE at runtime and testing.
- https://lists.apache.org/thread.html/3145150b711d7806a86bcd3ab43e18bcd0e4892ab5f11600689ba087%40%3Cdev.spark.apache.org%3E

### Does this PR introduce any user-facing change?

No. This is a dev-only test environment.

### How was this patch tested?

Pass the Jenkins K8s Integration Test.
- https://github.com/apache/spark/pull/27469#issuecomment-582681125

Closes #27469 from dongjoon-hyun/SPARK-30743.

Authored-by: Dongjoon Hyun <dhyun@apple.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
This commit is contained in:
Dongjoon Hyun 2020-02-05 16:55:45 -08:00
parent f9f06eee98
commit 9d907bc84d
1 changed files with 1 additions and 1 deletions
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2
resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile
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@ -15,7 +15,7 @@
# limitations under the License. # limitations under the License.
# #
FROM openjdk:8-jdk-slim FROM openjdk:8-jre-slim
ARG spark_uid=185 ARG spark_uid=185