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Limiting inactive connections
Setting the default
network timeout
Additional parameters can be added to tune the behavior of the server for each
protocol. For example, the following command line instructs the server to use
two network cards, one with a specified port number. This command must be
entered all on one line, even though it appears on multiple lines here.
asiqsrv12
-x "tcpip(MyIP=192.75.209.12:2367,192.75.209.32)"
-gm 10 -gp 4096
path\asiqdemo.db
For detailed descriptions of network communications parameters that can
serve as part of the
switch, see "Network communications parameters" in
–x
the Adaptive Server IQ Reference Manual.
Adaptive Server IQ uses two parameters,
close user connections.
A liveness packet is sent periodically across a client/server TCP/IP or IPX
communications protocol to confirm that a connection is intact. If the server
runs for a liveness timeout period (default 2 minutes) without detecting a
liveness packet, the communication is severed. The server drops any
connections associated with that client. There is no warning. All activity that
falls within any open transaction is rolled back.
The
switch on the server sets the liveness timeout, in seconds, for all clients
–tl
that do not specify a
switch when they connect. Liveness packets are sent at
–tl
an interval of the (liveness timeout)/4.
You may want to set a higher value for this switch at the server level. Many
users, especially those who have used earlier versions of Adaptive Server IQ,
will not expect to be disconnected after only 2 minutes of inactivity.
Try setting the liveness timeout to 300, together with the recommended value
for
discussed in the next section. Set this switch as follows:
–ti
-tl 300
If this value does not work well, try
20 minutes.
Users who are running a client and server on the same machine do not
Note
experience a liveness timeout.
CHAPTER 2
Running Adaptive Server IQ
and
, to determine when it should
-tl
-ti
, which sets the liveness timeout to
-tl 1200
39
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