We built six separate databases within one database server to house the tables and data needed to support each domain. For the Base Portal and Many Pages measurements, the Release domain is the primary database being exercised.
The databases and related domains supported by Portal V6.1 are:
1.Release (release domain). This is the primary database domain used by the Base Portal and Many Pages Scenarios.
2.Customization (customization domain). This database receives some light traffic in our scenarios.
3.Community (community domain). This database receives some light traffic in our scenarios.
4.JCR (JCR domain). JCR database is used heavily in WCM (Web Content Management) Scenario. This database receives light traffic in all other scenarios measured in our Benchmark report.
5.Likeminds database, used for Likeminds enabled systems. This database is not used in the scenarios measured in our Benchmark report.
6.Feedback database, used by the feedback subsystem. This database is not used in the scenarios measured in this report.
D B 2 O N A I X S E T U P
We configure our DB2 database on AIX using the following setup,
∙Set the filesystem which will hold the Portal databases to be a Enhanced Journal File System (JFS2) because a large file system is limited to 64GB.
∙Turn on concurrent I/O (CIO) for Enhanced Journal File System as this improves performance.
To enable CIO, use the following command to mount the database fileset.
Mount
∙Increase AIX maximum number of processes per user to 4096.
The default 500 processes per user is too low for database server, we increase it to 4096 in our AIX environment. To increase it,
chdev
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W E BS P HE R E P O R T AL V 6 . 1 T U N I N G G U I D E