[jira] [Commented] (SPARK-26282) update jvm on jenkins workers

["Sean Owen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-26282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16710451#comment-16710451 ] 

Sean Owen commented on SPARK-26282:
-----------------------------------

Yes the latest Java 8 JDK (_192?) is best. That may well be one of the final releases anyway. Whatever most recent version you can easily install through the OS updates is fine, as it will be much newer than _60.

You're welcome to also install Java 11 while you're at it, as we will need it in the medium term to start running tests against Java 11. 

> update jvm on jenkins workers
> -----------------------------
>
>                 Key: SPARK-26282
>                 URL: https://issues.apache.org/jira/browse/SPARK-26282
>             Project: Spark
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 2.4.0
>            Reporter: shane knapp
>            Assignee: shane knapp
>            Priority: Major
>
> the jvm we're using to build/test spark on the centos workers is a bit...  long in the teeth:
> {noformat}
> [sknapp@amp-jenkins-worker-04 ~]$ java -version
> java version "1.8.0_60"
> Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
> Java HotSpot(TM) 64-Bit Server VM (build 25.60-b23, mixed mode){noformat}
> on the ubuntu nodes, it's only a little bit less old:
> {noformat}
> sknapp@amp-jenkins-staging-worker-01:~$ java -version
> java version "1.8.0_171"
> Java(TM) SE Runtime Environment (build 1.8.0_171-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 25.171-b11, mixed mode){noformat}
> steps to update on centos:
>  * manually install new(er) java
>  * update /etc/alternatives
>  * update JJB configs and update JAVA_HOME/JAVA_BIN
> steps to update on ubuntu:
>  * update ansible to install newer java
>  * deploy ansible
> questions:
>  * do we stick w/java8 for now?
>  * which version is sufficient?
> [~srowen]



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