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https://issues.apache.org/jira/browse/ACCUMULO-4324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15344632#comment-15344632
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Michael Wall commented on ACCUMULO-4324:
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[~kturner] mentioned we needed to add a new DATA_VERSION to prevent things like
1.7 successfully coming up on a 1.8 instance. One ticket that I know requires
this change is ACCUMULO-1124, which changed the RFile index. Anyone know of
other tickets that should be listed as part of this?
I am about to put a PR for this. Then I want to test an upgrade locally. Here
is my plan.
1 - startup 1.7
2 - write some data, scan it
3 - stop Accumulo
4 - startup 1.8 on top of that hdfs/zk
5 - assure can read data, write some more data and scan it
6 - stop Accumulo
7 - try to restart 1.7 and verify it fails
Are there any other things that should be done in testing an upgrade?
> Need upgrade testing for 1.8
> ----------------------------
>
> Key: ACCUMULO-4324
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4324
> Project: Accumulo
> Issue Type: Task
> Reporter: Michael Wall
> Assignee: Michael Wall
> Priority: Blocker
> Fix For: 1.8.0
>
>
> Need to test the upgrade from 1.7 to 1.8. An rc0 would be helpful for that.
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