Re: Synchronous replication

Fujii Masao wrote:
> The attached patch changes the backend so that it signals walsender to
> wake up from the sleep and send WAL immediately. It doesn't include any
> other synchronous replication stuff.
>   
Hello Fujii,

I noted the changes in XlogSend where instead of *caughtup = true/false 
it now returns !MyWalSnd->sndrqst. That value is initialized to false in 
that procedure and it cannot be changed to true during execution of that 
procedure, or can it?

regards,
Yeb Havinga