Github user kiszk commented on the issue:
https://github.com/apache/spark/pull/18503
@cloud-fan I believe that [this
failure](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/79048/testReport/)
occurs since [the checkpoint
file](https://github.com/apache/spark/blob/master/sql/core/src/test/resources/structured-streaming/checkpoint-version-2.1.0/state/0/1/1.delta)
does not have a value record whose size is not a multiple of 8 (i.e. 28).
We can solve this failure by regenerating these files. However, the root
issue is that checkpoint files, whose size may not be a multiple of 8, exist in
the production environment. Should we resize the value record size for
`UnsafeRow` to a multiple of 8 if it is not a multiple of 8?
What do you think?
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