Re: Control flow in logical replication walsender
| От | Ashutosh Bapat |
|---|---|
| Тема | Re: Control flow in logical replication walsender |
| Дата | |
| Msg-id | CAExHW5tQJk0sVAsZpFw11qvbHhO7GgQ2oz0Zrx-MM0SfuPooVg@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Control flow in logical replication walsender (Christophe Pettus <xof@thebuild.com>) |
| Ответы |
Re: Control flow in logical replication walsender
|
| Список | pgsql-hackers |
On Tue, May 7, 2024 at 12:00 AM Christophe Pettus <xof@thebuild.com> wrote:
Thank you for the reply!
> On May 1, 2024, at 02:18, Ashutosh Bapat <ashutosh.bapat.oss@gmail.com> wrote:
> Is there a large transaction which is failing to be replicated repeatedly - timeouts, crashes on upstream or downstream?
AFAIK, no, although I am doing this somewhat by remote control (I don't have direct access to the failing system). This did bring up one other question, though:
Are subtransactions written to their own individual reorder buffers (and thus potentially spill files), or are they appended to the topmost transaction's reorder buffer?
IIRC, they have their own RB, but once they commit, they are transferred to topmost transaction's RB. So they can spill files.
Best Wishes,
Ashutosh Bapat
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