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Port hang issue in AIX Version 5.3

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Operating Systems AIX Port hang issue in AIX Version 5.3
# 8  
Old 08-14-2009
There is definitely no limit of connections to any particular port in AIX ... I have loads of boxes with 2500+ connections to the port of the oracle listener.

I assume you are using connection pools to access somehow a database. If this is the case, please have a look here Configuring and Using WebLogic JDBC

When your applications attempt to get a connection from a connection pool in which there are no available connections, the connection pool throws an exception stating that a connection is not available in the connection pool. To avoid this error, make sure your connection pool can expand to the size required to accommodate your peak load of connection requests.

To set the maximum number of connections for a connection pool in the Administration Console, expand the navigation tree in the left pane to show the Services—>JDBC—>Connection Pools nodes and select a connection pool. Then, in the right pane, select the Configuration—>Connections tab and specify a value for Maximum Capacity.

Kind regards

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TCPDROP(8)						    BSD System Manager's Manual 						TCPDROP(8)

tcpdrop -- drop TCP connections SYNOPSIS
tcpdrop local-address local-port foreign-address foreign-port tcpdrop [-l] -a DESCRIPTION
The tcpdrop command may be used to drop TCP connections from the command line. If -a is specified then tcpdrop will attempt to drop all active connections. The -l flag may be given to list the tcpdrop invocation to drop all active connections one at a time. If -a is not specified then only the connection between the given local address local-address, port local-port, and the foreign address foreign-address, port foreign-port, will be dropped. Addresses and ports may be specified by name or numeric value. Both IPv4 and IPv6 address formats are supported. The addresses and ports may be separated by periods or colons instead of spaces. EXIT STATUS
The tcpdrop utility exits 0 on success, and >0 if an error occurs. EXAMPLES
If a connection to httpd(8) is causing congestion on a network link, one can drop the TCP session in charge: # sockstat -c | grep httpd www httpd 16525 3 tcp4 The following command will drop the connection: # tcpdrop 80 26747 The following command will drop all connections but those to or from port 22, the port used by sshd(8): # tcpdrop -l -a | grep -vw 22 | sh SEE ALSO
netstat(1), sockstat(1) AUTHORS
Markus Friedl <> Juli Mallett <> BSD
January 30, 2013 BSD

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