318 // requirement to also process Coordinator events, disk I/Os, etc.
409 const uint64_t knownSize = header.entrySize > 0 ?
626 template <class SlotIdType> // accommodates atomic and simple SlotIds.
718 // slots from disk. We ought to preserve that entry because it is fresher.
726 // save us from the trouble of going through the above motions again.
738 // result in multi-version chains so we can only compare the keys.
ID of the next entry slice.
does the header belong to the fileno entry being loaded?
DbCellHeader::version to distinguish same-URL chains.