If I remember correctly mysql also started with a berkeleydb(dbm) storage layer. before myisam then later innodb. I used to sort of dismiss berkeleydb(why so

If I remember correctly mysql also started with a berkeleydb(dbm) storage layer. before myisam then later innodb. I used to sort of dismiss berkeleydb(why so simple?), but a disk backed b-tree indexed key value store is not trivial to get right and having a prebuilt library to do it provides a huge value.