Hi @kevinadi ,
Thank you for testing it, but the test case you did does not seems the one I have tested. I am looking for the comparison between zstd itself with different compression level that is available from mongodb 5.0 along with MongoDB 4.2,
My test case referring to this https://www.mongodb.com/docs/manual/release-notes/5.0/#configurable-zstd-compression-level
I did same data restoration in mongodb 4.2, 5.0 (with compression level 6-default, 10, 15 and 22) with ZSTD only.