On Fri, 27 Dec 2024 at 08:26, Kyotaro Horiguchi <horikyota....@gmail.com> wrote: > > Hello. This is the updated version. > > (Sorry for the delay; I've been a little swamped.) > > - Undo logs are primarily stored in a fixed number of fixed-length > slots and are spilled into files under some conditions. > > The number of slots is 32 (ULOG_SLOT_NUM), and the buffer length is > 1024 (ULOG_SLOT_BUF_LEN). Both are currently non-configurable. > > - Undo logs are now used only during recovery and no longer involved > in transaction ends for normal backends. Pending deletes for aborts > have been restored. > > - Undo logs are stored on a per-Top-XID basis. > > - RelationPreserverStorate() is no longer modified. > > In this version, in the part following the introduction of orphan > storage prevention, the restriction on prepared transactions > persisting beyond server crashes (i.e., the prohibition) has been > removed. This is because handling for such cases has been reverted to > pendingDeletes. > > Let me know if you have any questions or concerns.
I just went to give this a test drive, but HEAD has drifted too far, at least for 0017 to apply. Could you please rebase and make the necessary modifications? Thanks Thom
