From: | armand pirvu <armand(dot)pirvu(at)gmail(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
Cc: | pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: connection dropped from the backend server |
Date: | 2018-03-27 23:07:58 |
Message-ID: | 5FCACAED-139A-4D38-80AA-895C5884631E@gmail.com |
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Thread: | |
Lists: | pgsql-general |
As long as the connection stays up yes data gets fine across
In pg_stat_activity I see the node ip address where tail -f piped into psql happens
Sent from my iPhone
> On Mar 27, 2018, at 6:03 PM, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> wrote:
>
>> On 03/27/2018 03:36 PM, armand pirvu wrote:
>> Hi all
>> I have a process of some data manipulation and ultimate transfer to a postgres database
>> A DML statement gest concoted with the transformed data and pusshed into a named pipe
>> The named pipe is tailed -f in the background like this
>> nohup $SHELL <<EOF &
>> tail -f /u1/sys_admin/dba/mypipe.fifo | psql -U csidba -d repdb -h rephost
>> EOF
>> All good BUT I do notice every say 10 min although I see the tail and psql processes in the ps output, looking in pg_stat_activity there is really nothing the host I run the nohuped tail
>
> Could it be that pg_stat_activity shows nothing because the DML has completed when you look?
>
> Does the data find its way into the database?
>
>> Any suggestions how to approach this/make it better/monitor ?
>> Thanks
>> -- Armand
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
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