Github user cshannon commented on the issue:
https://github.com/apache/activemq-artemis/pull/1853
@clebertsuconic - I did some cleanup work and I added a couple of basic
tests to the compatibility test. It doesn't do much but show that the current
snapshot can load a 2.4 journal successfully (and it can load the paging store
as well). We can expand the tests with more if you want.
Also, I removed the persistentSize from the PageCountPendingImpl class as
the size (and the count apparently) aren't actually used and not needed. On
recovery we can recover the size from the paged reference.
Do you think this is ready to merge?
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