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.klaver@xxxxxxxxxxx> 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.klaver@xxxxxxxxxxx
