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Re: [grouper-users] Question re recurring connections to the grouperdb


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  • From: Keith Hazelton <>
  • To:
  • Subject: Re: [grouper-users] Question re recurring connections to the grouperdb
  • Date: Fri, 25 Jan 2013 10:31:21 -0600

I don't have any non-exited gsh sessions that I know of. Here's a partial
list from ps aux --k

----------
...
postgres 16947 0.0 0.1 53512 3428 ? S 2012 10:18
/usr/bin/postgres -D /var/lib/pgsql/data
postgres 16948 0.0 0.0 17608 616 ? Ss 2012 7:20 postgres:
logger process
postgres 16950 0.0 1.6 53756 34392 ? Ss 2012 41:17 postgres:
writer process
postgres 16951 0.0 0.0 53512 632 ? Ss 2012 33:15 postgres:
wal writer process
postgres 16952 0.0 0.0 53772 876 ? Ss 2012 9:45 postgres:
autovacuum launcher process
postgres 16953 0.0 0.0 17676 632 ? Ss 2012 10:33 postgres:
stats collector process
root 18058 0.0 0.0 0 0 ? S 08:18 0:00 [kworker/2:2]
root 18150 0.0 0.1 11616 3388 ? S 08:33 0:00 sshd:
khazelton [priv]
500 18153 0.0 0.0 11616 1580 ? R 08:33 0:00 sshd:
khazelton@pts/1
500 18154 0.0 0.0 5168 1628 pts/1 Ss 08:33 0:00 -bash
root 18177 0.0 0.1 8444 2160 pts/1 S 08:33 0:00 sudo bash
root 18179 0.0 0.0 5300 1724 pts/1 S 08:33 0:00 bash
root 18300 0.0 0.0 0 0 ? S Jan13 0:00 [kworker/3:0]
root 19091 0.0 0.0 0 0 ? S 11:30 0:00 [kworker/1:2]
apache 19526 0.0 1.0 70608 21612 ? Sl 13:30 0:00
/usr/sbin/httpd
root 19563 0.0 0.0 0 0 ? S 13:40 0:00 [kworker/0:0]
postgres 19956 0.0 0.4 54900 8832 ? Ss 15:00 0:01 postgres:
grouper grouperdb 127.0.0.1(39033) idle
root 20338 0.0 0.0 4928 1052 pts/1 R+ 16:29 0:00 ps aux
...
----------
_____________
On Jan 25, 2013, at 10:20:29, Chris Hyzer wrote:

> Tomcat(s), loader, gsh is all I can think of...
>
> Thanks,
> Chris
>
> -----Original Message-----
> From:
>
>
> [mailto:]
> On Behalf Of Keith Hazelton
> Sent: Friday, January 25, 2013 11:13 AM
> To:
>
> Subject: [grouper-users] Question re recurring connections to the grouperdb
>
> I've been cloning instances of Grouper from one host to another with
> success.
>
> One task is to drop the Grouper database (grouperdb in Postgres), then
> re-create and reload it.
>
> The Grouper Tomcat instance is shut down. Grouper Loader is not running.
>
> When I drop the connections in preparation to drop the database, new
> connections keep being spontaneously made.
>
> ----------
> postgres=# psql
> select pg_terminate_backend(procpid) from pg_stat_activity where datname =
> 'grouperdb';
> ----------------------
> t
> t
> (2 rows)
>
> - I have to repeat the above select statement sometimes twice or more until
> following drop command succeeds
>
> postgres=# drop database grouperdb;
> DROP DATABASE
> ----------
>
> I'm not sure what process is generating new connections. The 3CPO
> connection manager? Is there a way to stop whatever it is?
>
> Thanks in advance, --Keith
>




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