Salvatore Campagna

I'd like to work on this and wanted to check my approach first. Looking at @jpountz's comment about the visibility (and mutability) issue - what if we add a simple...

Hi @vigyasharma, I've implemented this in PR #15378. I added `MergePolicy.MergeObserver` with methods for checking merge status, waiting synchronously or asynchronously, and accessing individual merges. The implementation is thread-safe, handles...

Hi @jainankitk @msfroh, I noticed this issue is related to #13084, which proposes using `SparseFixedBitSet` for sparse deletes. That approach would enable `O(deletedDocs)` iteration which should help with the histogram...

FYI: PR #15413 adds efficient deleted document iteration that might help with this issue.