Hi Naresh,
Please check the oracle parameter (MAX_DUMP_FILE_SIZE). its Controls the 
maximum size of the trace file generatedby the SQL Trace facility. by default 
it is set to unlimited. i guess in your case it might be set to 2g.
SQL> show parameter MAX_DUMP_FILE_SIZE;


Regards,
Aijaz
--- On Wed, 9/16/09, Naresh Rawat <[email protected]> wrote:

From: Naresh Rawat <[email protected]>
Subject: Re: [LinuxVadaPav] File limitation on RHEL4
To: [email protected]
Date: Wednesday, September 16, 2009, 4:28 PM












 
 




    
                  Manas --



I already have this set. See below:



# ulimit -aH

core file size          (blocks, -c) unlimited

data seg size           (kbytes, -d) unlimited

file size               (blocks, -f) unlimited

pending signals                 (-i) 1024

max locked memory       (kbytes, -l) 32

max memory size         (kbytes, -m) unlimited

open files                      (-n) 65535

pipe size            (512 bytes, -p) 8

POSIX message queues     (bytes, -q) 819200

stack size              (kbytes, -s) unlimited

cpu time               (seconds, -t) unlimited

max user processes              (-u) 16384

virtual memory          (kbytes, -v) unlimited

file locks                      (-x) unlimited



Naresh R.



____________ _________ _________ __

From: Manas Burad <manas_burad@ yahoo.com>

To: linuxvadapav@ yahoogroups. com

Sent: Wednesday, 16 September, 2009 3:34:51 PM

Subject: Re: [LinuxVadaPav] File limitation on RHEL4



Hi Naresh,

 

See if this helps:

 

Linux limits the number of file descriptors that any one process may open; the 
default limits are 1024 per process. 

The open file limit is one of the limits that can be tuned with the ulimit 
command. The command ulimit -aS displays the current limit, and ulimit -aH 
displays the hard limit (above which the limit cannot be increased without 
tuning kernel parameters in /proc). 

The following is an example of the output of ulimit -aH. You can see that the 
current shell (and its children) is restricted to 1024 open file descriptors. 

core file size (blocks) unlimited

data seg size (kbytes) unlimited

file size (blocks) unlimited

max locked memory (kbytes) unlimited

max memory size (kbytes) unlimited

open files 1024

pipe size (512 bytes) 8

stack size (kbytes) unlimited

cpu time (seconds) unlimited

max user processes 4094

virtual memory (kbytes) unlimited

Increasing the file descriptor limit 

The file descriptor limit can be increased using the following procedure: 



1. Edit /etc/security/ limits.conf and add the lines: 

2. * soft nofile 1024

3. * hard nofile 65535

4. Edit /etc/pam.d/login, adding the line: 

5. session required /lib/security/ pam_limits. so

6. The system file descriptor limit is set in /proc/sys/fs/ file-max. The 
following command will increase the limit to 65535: 

7. echo 65535 > /proc/sys/fs/ file-max

8. You should then be able to increase the file descriptor limits using: 

9. ulimit -n unlimited

The above command will set the limits to the hard limit specified in 
/etc/security/ limits.conf. 

Note that you may need to log out and back in again before the changes take 
effect. 



Try this on your own risk. Please don't blame me if anything goes wrong.

 

Regards

Manas



"Have shraddha(faith) and saburi(patience) - Saibaba of Shirdi"



--- On Wed, 9/16/09, Naresh Rawat <rawatn_1980@ yahoo.co. in> wrote:



From: Naresh Rawat <rawatn_1980@ yahoo.co. in>

Subject: [LinuxVadaPav] File limitation on RHEL4

To: "Linux Vada" <linuxvadapav@ yahoogroups. com>

Date: Wednesday, September 16, 2009, 3:05 PM



Hi guys,



I have oracle database running on RHEL 4. A trace file gets created by the 
database user. My issue is the file size is limited to 2 gigs, wherein i have 
set ulimit to unlimited. See below:



# ulimit -a

core file size (blocks, -c) 0

data seg size (kbytes, -d) unlimited

file size (blocks, -f) unlimited

pending signals (-i) 1024

max locked memory (kbytes, -l) 32

max memory size (kbytes, -m) unlimited

open files (-n) 4096

pipe size (512 bytes, -p) 8

POSIX message queues (bytes, -q) 819200

stack size (kbytes, -s) 10240

cpu time (seconds, -t) unlimited

max user processes (-u) 2047

virtual memory (kbytes, -v) unlimited

file locks (-x) unlimited



Can you please advice what wrong i am doing or how to resolve this.



Thanks in advance.



Naresh R.



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