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TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
table or view does not exist
end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
PL/SQL: numeric or value error string
TNS:protocol adapter error
ORACLE not available
target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
ORACLE initialization or shutdown in progress
archiver error. Connect internal only, until freed
snapshot too old
unable to extend temp segment by string in tablespace
Credential retrieval failed
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
TNS:packet writer failure
see ORA-12699
missing right parenthesis
name is already used by an existing object
cannot identify/lock data file
invalid file operation
quoted string not properly terminated

RE: ora-12500 on windows

Koivu, Lisa

2004-02-19

Replies:
Hi Jared,=20

Yes, I saw that. The connections are queued up until they can be handed
off, not until processing is complete. Correct? So a long-running
query can be handled in this environment without affecting other
connection requests given it is configured properly.=20

Am I missing something?
Lisa

-----Original Message-----
From: Jared.Still@(protected)
Sent: Wednesday, February 18, 2004 4:51 PM
To: oracle-l@(protected)
Subject: RE: ora-12500 on windows

Lisa,
Take a look at the first page of the MTS section in the Networking admin

guide (8i),
or in the 9i Net Services Administrators Guide look at section 4=20
"Archictecture of
Oracle Net Services", and the subhead 'Database Server Process=20
Architecture "

The diagrams and explanation are pretty clear.

Queries all queue up behind the shared servers.=20

Jared






"Koivu, Lisa" <Lisa.Koivu@(protected)>
Sent by: oracle-l-bounce@(protected)
02/18/2004 12:17 PM
Please respond to oracle-l

=20
    To:   <oracle-l@(protected)>
    cc:=20
    Subject:     RE: ora-12500 on windows


Juan, why do you say that MTS is only for short quick queries? Can you
elaborate? I think I know why but I'd like to hear your side.

Lisa

-----Original Message-----
From: Juan Cachito Reyes Pacheco [mailto:jreyes@(protected)
Sent: Wednesday, February 18, 2004 3:11 PM
To: oracle-l@(protected)
Subject: Re: ora-12500 on windows

If your transactions are short, few seconds, you can use shared servers
otherwise if your querys or operation takes several minutes, shared
server
is not an option.
You can have both, once you configure shared server you can configure
some
computers to be dedicated.

----- Original Message -----=3D20
From: "DENNIS WILLIAMS" <DWILLIAMS@(protected)>
To: <oracle-l@(protected)>
Sent: Wednesday, February 18, 2004 3:25 PM
Subject: RE: ora-12500 on windows


Lisa
 Maybe I'm a little simple, but in this situation I would be pressing
the
vendor (Informatica) for a solution. Taking the point of view that "your
application has a problem". They may well have a solution or a
suggestion.
After all, they've been around awhile. Just a thought from a simple mind
that hates to solve problems others have already solved.

Dennis Williams
DBA
Lifetouch, Inc.
dwilliams@(protected)

-----Original Message-----
From: Koivu, Lisa [mailto:Lisa.Koivu@(protected)]
Sent: Wednesday, February 18, 2004 12:13 PM
To: oracle-l@(protected)
Subject: RE: ora-12500 on windows


Hello Jeffrey,=3D3D20

I'm feeling your pain, like you wouldn't believe.=3D3D20

I think it's note 225349.1

My problem that is resulting in ora-12500's is many, many connections
being fired at one time. Informatica fires in the neighborhood of 300
connections all at the same time, the exact same second. I have tried
adding multiple listeners, adding the QUEUESIZE parameter, all to no
avail. I had to reduce the sga size to stop the errors. =3D3D20

To make this more interesting, I am guaranteed that in the future there
will be several hundred more concurrent connections added to what I'm
dealing with now. =3D3D20

Can anyone comment - can MTS help in my situation? I've never used it.


Any comments or suggestions are welcome.

Lisa Monkey
Orlando, FL, USA=3D3D20

-----Original Message-----
From: Jeffrey Beckstrom [mailto:JBECKSTROM@(protected)
Sent: Wednesday, February 18, 2004 12:55 PM
To: oracle-l@(protected)
Subject: Re: ora-12500 on windows

we are w2k AS. Do you know the metalink note for large memory support?
>>> discgolfdba@(protected) >>>
--- Jeffrey Beckstrom <JBECKSTROM@(protected):
> mem usage

familiar territory.

on win32, the process memory limit is between 1.7 and
1.8 GB of virtual memory. what version of operating
system is the server running?

if it is w2k server, you're stuck. you must reduce
either the SGA or PGA memory allocations in order to
stay under the process limit.
if it is w2k advanced server, you can enable large
memory support, and carry up to a 3*10E9 (convert to
power of 2) memory allocated to a process.

if is is w2k3 server, you can enable large memory
support.
certain versions of Oracle on win32 support large
memory, and some don't.
9.2.0.4 does.
8.1.7.3 and 8.1.7.4 do not.

to reduce memory allocations, you might:
- check v$sgastat for free memory, and reduce the size
of the shared, large and java pools.
- reduce the buffer cache
- reduce sort_area_size, hash_area_size

hth.

Pd

> I would suspect they should be close to each other
> since currently mem usage is 1.1 g and vm size is
> 1.2 g.
> >>> tanel.poder.003@(protected) >>>
>=3D3D20
> > oracle.exe process was 1.4 G per task manager -
> well under the 2 G
> > limit.
>=3D3D20
> I've seen problems starting happen when about 1,5G
> of mem was allocated to
> oracle.exe... From which task manager column did you
> check the process size,
> from "mem usage" or from "vm size"?
>=3D3D20
> Tanel.
>=3D3D20
>=3D3D20
> > Swap space is set to max of 4 G
> > commit charge peak is 2.4 G
> > commit charge limit is 5.8 G
> > We should be well under the limits
> >
> > Jeffrey Beckstrom
> > Database Administrator
> > Greater Cleveland Regional Transit Authority
> > 1240 W. 6th Street
> > Cleveland, Ohio 44113
> >
> >
>=3D3D20

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