Sybase IQ 12.4.0 installation instructions Required Operating System Patches

Required Operating System Patches Adaptive Server IQ 12.4.0

•Digital Unix V4.0f

Note The product name Digital UNIX has recently been changed to Tru64

UNIX. However the Adaptive Server IQ documentation still uses the old

Digital UNIX name.

The following operating system command shows the level of your base system software:

% sizer -v

Tru64 UNIX V4.0D (Rev. 878); Wed Jul 15 12:31:49 EDT 1998

Adaptive Server IQ 12.4.0 has been built to take advantage of certain performance features found in the Digital Alpha EV5.6 (21164A) and later chip architecture.

1.1 Required Operating System Patches

You must install the patches listed in this section to run Adaptive Server IQ on

Digital UNIX.

•Digital UNIX V4.0d requires the March 1998 patch kit as the absolute minimum.

Normally, it is best to install the latest patch kit. However, as of Adaptive Server IQ 12.4.0 certification, the latest patch kits contain a problem in the pthreads library which causes a one to two times performance slowdown in Adaptive Server IQ, most notably in loads and multi-user activity. For this reason, you should avoid using those patches and use the previous patch kits. The following table shows you which kits to avoid (the middle column) and which you should use (the last column).

For this operating	Do NOT use this patch
system version	kit	Use this patch kit
DUNIX 4.0D	duv40das0004-	duv40das00003-
	19990723	19990208
DUNIX 4.0E	duv40eas0002-	duv40eas00001-
	19990617	19990202
DUNIX 4.0F	duv40fas0001-	None required
	19990609

This problem should be resolved in the next release of these patch kits.

2 Release Bulletin for Digital UNIX