Configuration for the Sybase database driver. |
Data Access Drivers Database access is achieved through a data access driver,which is software written either by the database vendor or a third-party vendor. The following types of data access drivers can be configured with NAS to provide database connectivity:
NOTE: If the data access drivers are installed before installing an instance of NAS, NAS automatically configures the drivers. |
General Parameters Sets he length of time NAS attempts to make a database connection. These parameters optimize the performance of the NAS machine by keeping the server from wasting resources. Thread Parameters The thread parameters
determine how many threads NAS allocates for asynchronous database queries.
Such threads are usually used for queries returning a large number of
rows and allowing the application to do other tasks while waiting for
the query to finish. The default thread allocations are adequate for most
applications.
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Result Set Buffer Buffering the result set holds it in memory. This allows applications to move back and forth through the result set as it is retrieving rows and increases the number of free database connections. NAS 4.0 supports the following result set buffering parameters:
The default values are adequate for most applications. |
Database Cache Parameters NAS alllows adjustment of the following cache parameters:
NOTE: The default values are adequate for most applications, so adjustments are not usually required for initial application installations. NAS dynamically adjusts the cache array up to the maximum number of allowable connections. If there are no connections to cache, the array is allocated to zero spaces. |