Search Postgresql Archives

Re: NOTIFY command impact

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> On Feb 21, 2017, at 6:03 PM, Tom Lane <tgl@xxxxxxxxxxxxx> wrote:
> 
> Rob Brucks <rob.brucks@xxxxxxxxxxxxx> writes:
>> If a notify is sent and then PG is immediately shut down, wouldn't PG want to save that message for processing after startup?
>> Or is the message just discarded?
> 
> NOTIFY data is not saved across a shutdown or crash.
> 
> (The reason it goes into the WAL stream is so that you can have listeners
> on replication slaves, not for recovery purposes.)
> 
>           regards, tom lane
> 

Are we sure that replication slaves can have listeners? When I tried it on 9.4.10, I got the following message:

"ERROR: cannot execute LISTEN during recovery"

-=Frank

-- 
Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-general




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Postgresql Jobs]     [Postgresql Admin]     [Postgresql Performance]     [Linux Clusters]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Postgresql & PHP]     [Yosemite]
  Powered by Linux