Re:The Periodic Table of Data Structures [pdf]
by zawerf on Saturday October 27, 2018 @12:31PM
(#18316448)
I think I saw it popularized as the "RUM Conjecture" on HN a while back:
https://medium.com/databasss/on-disk-storage-part-4-b-trees-...
Need quick reads? Use Y. Quick writes? Use X. Etc.