libpmemobj1-debug 1.8-1ubuntu1 (amd64 binary) in ubuntu focal

 libpmemobj turns a persistent memory file into a flexible object store,
 supporting transactions, memory management, locking, lists, and a number of
 other features.
 .
 This package contains a special build of this library meant for debugging
 purposes. It contains extra logging, assertions and expensive checks that
 should not be used otherwise.