Re:Ask HN: What would you have asked Mark Zuckerburg?
by beal on Tuesday April 10, 2018 @05:49PM
(#16805838)
I think it eventually does get deleted.
> Compaction is an online operation which reclaims the space used by the deleted and duplicate needles (needles with the same key). It creates a new haystack by copying needles while skipping any duplicate or deleted entries. Once done it swaps the files and in-memory structures.
> Compaction is an online operation which reclaims the space used by the deleted and duplicate needles (needles with the same key). It creates a new haystack by copying needles while skipping any duplicate or deleted entries. Once done it swaps the files and in-memory structures.
Just in an efficient way for FB