On Thu, Jun 8, 2023 at 11:37:00AM +1200, Thomas Munro wrote: > It's old, but this describes the 4 main models and which well known > RDBMSes use them in section 2.3: > > https://dsf.berkeley.edu/papers/fntdb07-architecture.pdf > > TL;DR DB2 is the winner, it can do process-per-connection, > thread-per-connection, process-pool or thread-pool. > > I understand this thread to be about thread-per-connection (= backend, > session, socket) for now.
I am quite confused that few people seem to care about which model, processes or threads, is better for Oracle, and how having both methods available can be a reasonable solution to maintain. Someone suggested they abstracted the differences so the maintenance burden was minor, but that seems very hard to me. Did these vendors start with processes, add threads, and then find that threads had downsides so they had to keep both? -- Bruce Momjian <br...@momjian.us> https://momjian.us EDB https://enterprisedb.com Only you can decide what is important to you.
