When you import metadata tables using either the SAS^® Management Console wizard or the METALIB procedure, performance will be extremely slow. Performance degradation occurs because the software refers to the X versions of Teradata views, and these views take security into consideration. Non-X views are faster; however, they do not consider security.

Be aware that unconditional SELECT statements executed on non-X views might cause the result to exhaust the available spool space of the user. For more information about querying X views versus non-X views, refer to the Teradata documentation.

Select the Hot Fix tab in this note to access the hot fix for this issue. After installing the hotfix, in order to use non-x views, you will need to set the environment variable SAS_NON_XVIEWS. This variable cannot be set within SAS, using a SAS option statement. You will need to set the variable outside of SAS either using set or export. For Example: set SAS_NON_XVIEWS=YES

Operating System and Release Information

Product Family	Product	System	SAS Release
			Reported	Fixed*
SAS System	SAS/ACCESS Interface to Teradata	64-bit Enabled HP-UX	9.1 TS1M3 SP4
		64-bit Enabled AIX	9.1 TS1M3 SP4
		64-bit Enabled Solaris	9.1 TS1M3 SP4
		HP-UX IPF	9.1 TS1M3 SP4
		Linux	9.1 TS1M3 SP4
		Microsoft® Windows® for x64	9.1 TS1M3 SP4
		Microsoft Windows 2000 Advanced Server	9.1 TS1M3 SP4
		Microsoft Windows 2000 Datacenter Server	9.1 TS1M3 SP4
		Microsoft Windows 2000 Server	9.1 TS1M3 SP4
		Microsoft Windows 2000 Professional	9.1 TS1M3 SP4
		Microsoft Windows NT Workstation	9.1 TS1M3 SP4
		Microsoft Windows Server 2003 Datacenter Edition	9.1 TS1M3 SP4
		Microsoft Windows Server 2003 Enterprise Edition	9.1 TS1M3 SP4
		Microsoft Windows Server 2003 Standard Edition	9.1 TS1M3 SP4
		Microsoft Windows XP Professional	9.1 TS1M3 SP4
		Windows Vista	9.1 TS1M3 SP4

* For software releases that are not yet generally available, the Fixed Release is the software release in which the problem is planned to be fixed.

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A fix for SAS 9.1.3 (9.1 TS1M3) for this issue is available at:

http://www.sas.com/techsup/download/hotfix/e9_sbcs_prod_list.html#033955

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A fix for SAS 9.1.3 (9.1 TS1M3) with Asian Language Support (DBCS) for this issue is available at:

http://www.sas.com/techsup/download/hotfix/e9_dbcs_prod_list.html#033955

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Using the X versions of Teradata views to retrieve metadata causes performance degradation. The X views take security into account, but the non-X views do not take security into account. As a result, non-X views have better performance.

Type:	Problem Note
Priority:	high

Date Modified:	2009-01-13 13:13:22
Date Created:	2008-11-18 07:54:18