public Map<String, String> getDbInfo(final Dbi<ByteBuffer> db) {
        return getWithReadTxn(txn -> {
            final Stat stat = db.stat(txn);
            return convertStatToMap(stat);
        });
    }
Deletes {@link LmdbEnv} from the filesystem if it is already closed.
stroom-lmdb/src/main/java/stroom/lmdb/LmdbEnv.java