Too man open sockets?

Question

After running tests on weblogic server 5.1.0, sp6 for a few days, we noticed
that the number of open sockets for the Java VM slowly creeped up to 472.
This test was run with 75 simulated users with
weblogic.system.executeThreadCount=15
The question is: why are there so many open sockets? We did have a JDBC
connection pool of size 100, but that does not account for the 472 open
sockets.
Any ideas?
Ravi Sharma.
acs10004# ps -ef | grep java
acs 824 823 0 Dec 22 ? 2374:42
/acs/util/SunOS/jdk1.2.2/bin/../bin/sparc/native_threads/java -ms512m -mx512
m -
acs10004# cd /proc/824/fd
acs10004# find . -print | wc -l
585
acs10004# find . -type s | wc -l
472
acs10004# find . -type f | wc -l
102
acs10004# find . \! \( -type f -o -type s \) -ls
4054 10 dr-x------ 2 acs dev 9632 Dec 22 18:54 .
1409362 0 c--------- 1 root tty 24, 4 Dec 24 14:27 ./0
237955 0 p--------- 0 root other 0 Dec 26 22:47 ./1
1409237 0 c--------- 1 root sys 13, 12 May 23 2000 ./3
4035 1 lr-x--x--x 1 acs dev 0 Dec 22 18:54 ./4 ->
1409236 0 c--------- 1 root sys 13, 2 Dec 27 11:35 ./5
1409236 0 c--------- 1 root sys 13, 2 Dec 27 11:35 ./6
1625248272 0 D--------- 1 root root 0 May 23 2000 ./7
2992 0 c--------- 0 root root 41,93187 Dec 22 18:54 ./32
237960 0 p--------- 0 root other 0 Dec 26 22:47 ./36
237960 0 p--------- 0 root other 0 Dec 26 22:47 ./37

Answer 1

If you don't kill WL properly it will leave all of those extra java processes running. try using this to shutdown your server:
$JAVA_HOME/java -cp ./classes/boot:./classes:./lib/weblogicaux.jar weblogic.Admin t3://localhost:(WL PORT) SHUTDOWN system password
this won't kill the ones that have been stopped incorrectly already but it will kill the ones on the current WL instance.
To make sure this is the problem just stop the server the way you have been and if the java proceses are still there then it was the way you were shutting down.
Hope this helps
-Jeff Ward
"Cameron Purdy" <[email protected]> wrote:
Are you using that native io option?
Cameron Purdy
Tangosol, Inc.
http://www.tangosol.com
+1.617.623.5782
WebLogic Consulting Available
"Ravi Sharma" <[email protected]> wrote in message
news:[email protected]...
After running tests on weblogic server 5.1.0, sp6 for a few days, wenoticed
that the number of open sockets for the Java VM slowly creeped up to 472.
This test was run with 75 simulated users with
weblogic.system.executeThreadCount=15
The question is: why are there so many open sockets? We did have a JDBC
connection pool of size 100, but that does not account for the 472 open
sockets.
Any ideas?
Ravi Sharma.
acs10004# ps -ef | grep java
acs 824 823 0 Dec 22 ? 2374:42
/acs/util/SunOS/jdk1.2.2/bin/../bin/sparc/native_threads/java -ms512m -mx512
m -
acs10004# cd /proc/824/fd
acs10004# find . -print | wc -l
585
acs10004# find . -type s | wc -l
472
acs10004# find . -type f | wc -l
102
acs10004# find . \! \( -type f -o -type s \) -ls
4054 10 dr-x------ 2 acs dev 9632 Dec 22 18:54 .
1409362 0 c--------- 1 root tty 24, 4 Dec 24 14:27 ./0
237955 0 p--------- 0 root other 0 Dec 26 22:47 ./1
1409237 0 c--------- 1 root sys 13, 12 May 23 2000 ./3
4035 1 lr-x--x--x 1 acs dev 0 Dec 22 18:54 ./4 ->
1409236 0 c--------- 1 root sys 13, 2 Dec 27 11:35 ./5
1409236 0 c--------- 1 root sys 13, 2 Dec 27 11:35 ./6
1625248272 0 D--------- 1 root root 0 May 23 2000 ./7
2992 0 c--------- 0 root root 41,93187 Dec 22 18:54 ./32
237960 0 p--------- 0 root other 0 Dec 26 22:47 ./36
237960 0 p--------- 0 root other 0 Dec 26 22:47 ./37