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https://issues.apache.org/jira/browse/SOLR-5873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13937985#comment-13937985
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Mark Miller commented on SOLR-5873:
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Wrong Mark Miller pinged ;) I'm one of the last ones that comes up -
[email protected] username rather than hakeber.
> Improve JavaBinCodec's backward compatibility tests
> ---------------------------------------------------
>
> Key: SOLR-5873
> URL: https://issues.apache.org/jira/browse/SOLR-5873
> Project: Solr
> Issue Type: Improvement
> Reporter: Varun Thacker
>
> SOLR-5265 added backward compatibility tests, but it tries to read a
> pre-written binary file to check if there is a break a not. If we add more
> types to JavaBinCodec the test will need to be updated too, which will be
> error prone again.
> This is what [~hakeber] proposed on IRC -
> - A test that I was thinking of: we could have a jenkins job that ran a
> script that checked out the previous version of lucene and the the latest
> - Then use the solr/cloud-dev scripts to start a cloud cluster
> - Index some docs
> - Stop a node at a time, replace webapp with the latest in a rolling upgrade
> fashion
> - Then we have a full rolling upgrade test
> This would be a better approach for back compat tests.
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