On Fri, Dec 15, 2023, at 9:11 AM, Masahiko Sawada wrote:
> 
> I assume you mean to add ReorderBufferTXN entries to the binaryheap
> and then build it by comparing their sizes (i.e. txn->size). But
> ReorderBufferTXN entries are removed and deallocated once the
> transaction finished. How can we efficiently remove these entries from
> binaryheap? I guess it would be O(n) to find the entry among the
> unordered entries, where n is the number of transactions in the
> reorderbuffer.

O(log n) for both functions: binaryheap_remove_first() and
binaryheap_remove_node(). I didn't read your patch but do you really need to
free entries one by one? If not, binaryheap_free().


--
Euler Taveira
EDB   https://www.enterprisedb.com/

Reply via email to