The SAS Deployment Wizard creates metadata definitions
and configuration files for a set of SAS servers that are referred
to collectively as a SAS Application Server. The server hierarchy
includes the following levels:
SAS Application Server
a logical framework
(or server context) under which SAS applications execute. This framework
enables you to specify metadata that applies to all of the logical
servers and servers that the SAS Application Server contains. You
can also attach libraries, schemas, directories, and other resources
that are available to SAS servers, regardless of the type of server.
As a result, you can deploy applications in several modes while ensuring
that applications will execute properly in each mode.
The default name of
the initial SAS Application Server is
SASApp
.
However, the SAS Deployment Wizard enables you to provide a different
name during installation. (In single-machine installations that are
migrated from SAS 9.1.3, the SAS Application Server is typically called
SASMain
).
Your installation also
includes a SAS Application Server called SASMeta, which is reserved
for specialized uses.
logical servers
a logical framework
within SAS Application Server metadata that contains definitions for
one or more similar servers. A logical server is referenced when an
application requests a specific launch mode, such as interactive or
batch.
servers
specific process instances
that perform the requested work. A server definition contains the
server metadata that is required to connect to a SAS server on a particular
machine. The definition includes details about where the process is
executing and how a client should contact the server, as well as options
that describe how the server should behave.
Note: In the SAS Intelligence Platform,
the term server refers to a program or programs that wait for and
fulfill requests from client programs for data or services. The term
server does not necessarily refer to a specific computer, since a
single computer can host one or more servers of various types.
The SAS Application
Server hierarchy appears in SAS Management Console in the Server Manager
plug-in, as in the following example: