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Sybase Adaptive Server Anywhere - Page 54

Sybase Adaptive Server Anywhere
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The database server
36
A liveness packet is sent periodically across a client/server TCP/IP or SPX
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. UNIX non-threaded clients and TDS
connections do not do liveness checking.
The
-tl switch on the server sets the liveness timeout for all clients that do
not specify a liveness period.
Liveness packets are sent at an interval of the (liveness timeout)/4.
–tmt command-line option
To set a reenlistment timeout for participation in distributed transactions.
[ dbsrv7 | dbeng7 ] -tmt [
milliseconds
]...
Windows NT only.
Used during recovery of distributed transactions. The value specifies how
long the database server should wait to be reenlisted. By default there is no
timout (the database server waits indefinitely).
–tmf command-line option
For recovery from distributed transactions in unusual circumstances.
[ dbsrv7 | dbeng7 ] -tmf ...
Windows NT only.
Used during recovery of distributed transactions when the distributed
transaction coordinator is not available. It could also be used if starting a
database with distributed transactions in the transaction log, on a platform
where the distributed transaction coordinator is not available.
Caution
If you use this option, distributed transactions are not recovered properly.
It is not for routine use.
–tq time command-line option
Shut down the server at a specified time.
Description
Function
Syntax
Applies to
Description
Function
Syntax
Applies to
Description
Function

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