Em sex., 7 de nov. de 2025 às 11:59, Andres Freund <[email protected]> escreveu:
> On 2025-11-07 11:52:37 -0300, Ranier Vilela wrote: > > Em sex., 7 de nov. de 2025 às 11:41, Andres Freund <[email protected]> > > escreveu: > > > On 2025-11-07 11:28:06 -0300, Ranier Vilela wrote: > > > > Use pg_atomic_fetch_add_u64 to replace pg_atomic_read_u64 and > > > > pg_atomic_write_u64 calls. > > > > > > > > This simplifies the logic and this increases the likelihood that the > > > > operation will be successful. > > > > > > How does it do so? As the assertions indicate, this can only be run > from a > > > single process. > > > > > Can I rephrase that? > > > > That simplifies the logic a bit. > > Maybe simpler, but also vastly slower than before. An atomic increment is > maybe two orders of magnitude more expensive than an unlocked read & write. > Seriously, I didn't know. It's best to withdraw the patch then. Thanks for clarifying this. best regards, Ranier Vilela
