[GitHub] [accumulo] milleruntime opened a new issue #2218: Test temp Sorted WALs are handled properly on Upgrade using CI

[GitBox <gi...@apache.org>]

milleruntime opened a new issue #2218:
URL: https://github.com/apache/accumulo/issues/2218


   As a follow up to #2185, it would be good to test that old temporary WALs are removed and the original WALs are resorted after upgrade. This is a little tricky to test manually, as you need to make sure the table is recovering but also have unloaded tablets (before the data is flushed to disk). If there are no references to the data in WALs and temporary sorted files get removed, the GC will remove the WALs rather quickly. We need to make sure the GC isn't removing all of the old WALs as they could contain data. Testing this using Continuous Ingest will be easier as you can verify there was no data lost.


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