Problem Note 15833: Performance degradation with BY and WHERE
 |  |  |  |  |
Beginning in SAS® 9.1, DATA or PROC steps that use a BY statement in conjunction with a WHERE statement or data set option may run more slowly that in previous releases. This problem is most likely to occur with large data sets.
For a related problem and its associated fix, please refer to SAS Note #017981 .
Select the Hot Fix tab in this note to access the hot fix for this issue.
Operating System and Release Information
| Product Family | Product | System | SAS Release | |
| Reported | Fixed* | |||
| SAS System | Base SAS | Microsoft Windows NT Workstation | 9.1 TS1M0 | 9.1 TS1M3 SP4 |
| Microsoft Windows Server 2003 Enterprise Edition | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows Server 2003 Standard Edition | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft® Windows® for 64-Bit Itanium-based Systems | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows Server 2003 Datacenter Edition | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows 2000 Professional | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows 2000 Server | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows 2000 Datacenter Server | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| z/OS | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows 2000 Advanced Server | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| 64-bit Enabled Solaris | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Microsoft Windows XP Professional | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| 64-bit Enabled AIX | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| OpenVMS Alpha | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| 64-bit Enabled HP-UX | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| HP-UX IPF | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Linux | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
| Tru64 UNIX | 9.1 TS1M0 | 9.1 TS1M3 SP4 | ||
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#015833A 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#015833| Type: | Problem Note |
| Priority: | high |
| Topic: | Data Management ==> Access ==> SAS I/O |
| Date Modified: | 2006-04-26 07:25:38 |
| Date Created: | 2005-07-27 13:14:51 |