Alex Chi Z.

two quick questions: what is the schema plan node? and what is the definition of exchange node? is it the distribution of the child, or the expected distribution of the...

sounds like we are missing a test! thanks for flagging

Yes - feel free to do that! I had ambitious plans like review everyone's code and write tests to break them a few years ago but now I don't have...

dup w/ https://github.com/neondatabase/neon/issues/8757, I will close the previous one

We might need some extra logic to deal with it, I suspect the key range for inbound LR is in the normal relational data range. Anyways, I'd like someone to...

Write path done, need to investigate read path.

christian: panic when we we run out of place; disk-based eviction? tenant config (?) fsync after rename final thoughts: panic on fsync failure, discuss no space issue later

Yep, I agree -- I'll fix this in the next edition of the course.

Hi @trungda, I wrote a retrospective RFC for gc-compaction and listed all current limitations: https://github.com/neondatabase/neon/blob/main/docs/rfcs/043-bottom-most-gc-compaction.md Ideally they will be resolved in the next couple of months.

Yep sure! > too many layers to rewrite This is a current limitation of gc-compaction. If we have too many layers included in one compaction job, it might cause OOM,...