Re: Is there a way to view active connections?

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От Fred Parkinson
Тема Re: Is there a way to view active connections?
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Msg-id 5744517F020000A700034C76@gwia1.abag.ca.gov
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Ответ на Re: Is there a way to view active connections?  (Keith <keith@keithf4.com>)
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Thanks, that worked.
I didn't really want to disconnect anyone active, but I had no other choice.
At least the restart accomplished what I wanted!


>>> On 5/24/2016 at 1:00 PM, Keith <keith@keithf4.com> wrote:


On Tue, May 24, 2016 at 3:57 PM, Fred Parkinson <FredP@abag.ca.gov> wrote:
I want to do a server restart, so I issued the command
pg-ctl -w restart -D /usr/local/pgsql/data

However, the shut down fails:
pg_ctl: server does not shut down.

Unfortunately, when I try to see who is connected with psql, I get
FATAL: the database system is shutting down.

Is there any other way to see who is still connected?

Thanks --Fred


ABAG is moving.
Effective Monday May 23, 2016 our mailing address and location will be:
Association of Bay Area Governments
375 Beale Street, Suite 700
San Francisco, CA 94105

My email address will remain the same.
My phone number will be (415) 820-79XX (last two digits remain the same).
We look forward to seeing you at our new location along with our regional partners, the Metropolitan Transportation Commission and the Bay Area Air Quality Management District.
In the meantime, it's business as usual at our current location in Oakland.



Try using the option "-m fast" to either the shutdown or restart command to pg_ctl

pg-ctl -w restart -D /usr/local/pgsql/data -m fast

This disconnects any sessions currently connected. Thankfully in 9.5, this has become the default shutdown mode. Prior to 9.5, "-m smart" was the default which waits for all active connections to disconnect themselves.


ABAG is moving.
Effective Monday May 23, 2016 our mailing address and location will be:
Association of Bay Area Governments
375 Beale Street, Suite 700
San Francisco, CA 94105

My email address will remain the same.
My phone number will be (415) 820-79XX (last two digits remain the same).
We look forward to seeing you at our new location along with our regional partners, the Metropolitan Transportation Commission and the Bay Area Air Quality Management District.
In the meantime, it's business as usual at our current location in Oakland.

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