Re: oracle threads increasing, even after closing sessions

On Jun 15, 6:10 am, Jimmy <jimmy.coole..._at_gmail.com> wrote:
> On 15 jun, 10:47, yong..._at_yahoo.com wrote:
>
>
>
> > On Jun 15, 1:14 am, Jimmy <jimmy.coole..._at_gmail.com> wrote:
>
> > > On 14 jun, 17:23, yong..._at_yahoo.com wrote:
>
> > > > On Jun 14, 11:11 pm, Cristian Cudizio <cristian.cudi..._at_yahoo.it>
> > > > wrote:
> > > > ...
>
> > > > > > By the way, DCD won't work because the SQL*Net connection is left
> > > > > > intact and TCP connection state is still established.
>
> > > > > but if there is not a client process (that opened the socket)
> > > > > responding i can't figure out why it will
> > > > > not detect a death connection ....
>
> > > > > > Yong Huang
>
> > > > > Bye
>
> > > > > Cristian Cudizio
>
> > > > >http://oracledb.wordpress.comhttp://cristiancudizio.wordpress.com
>
> > > > Isn't it true that DCD can only tear down a connection and terminate
> > > > its server process if the client doesn't respond to an "Are you
> > > > there?" packet? If the connection is healthy, the software client
> > > > (sqlplus) does respond with a "Yes, I'm here", although the human
> > > > client (user) can't type any command, other than exit and connect.
>
> > > > Yong Huang
>
> > > When i check for TCP connections on the server,
> > > i see a lot of TCP connection in the state CLOSE_WAIT; these
> > > connection are from the Webserver ( hosting the ASP application )
>
> > I assume your "server" here is the Oracle server, not the Websphere.
> > How long do these connections stay in CLOSE_WAIT state? What are the
> > corresponding connection states on the Websphere side?
>
> > We thought your application did something similar to sqlplus's
> > disconnect, but it doesn't look like, because in that case you would
> > see ESTABLISHED state. I'm not sure if there's some bug in .net
> > connector. You may want to search on Metalink or open a Tar.
>
> > Yong Huang-
>
> the connections in CLOSE_WAIT are on the Oracle server, on the
> webserver i don't have those connections.
> These connections stay i CLOSE_WAIT state, until we restart the
> Database.
>
> Should Dead Connection Detection not clean this up ?

No, because the connection is not dead...

http://support.microsoft.com/kb/137984/ Received on Fri Jun 15 2007 - 07:19:36 CDT