Performance question...

Cesar Lagarrigue CLagarrigue at
Wed Feb 25 18:33:43 EST 2004

[root at mail root]# rpm -qi db4
Name        : db4                          Relocations: (not relocateable)
Version     : 4.1.25                            Vendor:
Release     : 8                             Build Date: Fri 12 Dec 2003 
02:54:32 AM CLST
Install Date: Wed 11 Feb 2004 12:59:44 PM CLST      Build Host: builder
Group       : System Environment/Libraries   Source RPM: 
Size        : 1672486                          License: GPL
Signature   : DSA/SHA1, Sun 14 Dec 2003 07:17:50 AM CLST, Key ID 
URL         :
Summary     : The Berkeley DB database library (version 4) for C.
Description :
The Berkeley Database (Berkeley DB) is a programmatic toolkit that
provides embedded database support for both traditional and
client/server applications. The Berkeley DB includes B+tree, Extended
Linear Hashing, Fixed and Variable-length record access methods,
transactions, locking, logging, shared memory caching, and database
recovery. The Berkeley DB supports C, C++, Java, and Perl APIs. It is
used by many applications, including Python and Perl, so this should
be installed on all systems.

i have whitebox linux on xeon dual 3.06 and hyperthreading, and the "last" 
version of these software :

well, i downloaded the lasty postfix 2.0.18

openldap 2.1.19



+patch for autoconf

(for users like have rpms and not have only the binaries... recommend 
recompile the srpm and have always rpm, i search on "all" internet and 
these packages are the only in rpm...inthe lastest version possible)

is not db4.2 or the package of whitebox (rhe as 3.0) is safe for have db4 
backend mailbox cyrus ?,

Or download the 4.2 version and recompile the srpm with the new version ?
 is the best to install db4.2!?

respect to cyrus, the link explain very well witch option compile with 
cyrus thanks

And i review the link, are too well !! is all info for install cyrus!

p.d: is safe to have hyperthreading on xeon ? linux  kernel and the 
process of cyrus are safe ? or desactivate hyperthreading ? some advise ? 
please tell me before crash or something in the first day of life..... :)

thanks for all

Cesar Lagarrigue V.
Project Engineer
clagarrigue at

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