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SQL Anywhere 11.0.1 » SQL Anywhere Server - Database Administration » Starting and Connecting to Your Database » The database server » Database server options


-ua server option

Turns off use of asynchronous I/O.

{ dbsrv11 | dbeng11 } -ua ...
Applies to



By default, the database server uses asynchronous I/O on Linux when possible. To use asynchronous I/O, the following conditions must be met:

  1. The library can be loaded at run time.

  2. The kernel has asynchronous I/O support.

If you want to turn off the use of asynchronous I/O, specify the -ua option on the database server command line.