2.3. Using dsktune
dsktunewhich can scan a system to check for required and installed patches, memory, system configuration, and other settings required by Directory Server. The
dsktuneutility even returns information required for tuning the host server's kernel parameters. This simplifies configuring the machine for Directory Server.
dsktune, reports the findings, and asks you if you want to continue with the setup procedure every time a Directory Server instance is configured.
dsktunebefore beginning to set up the Directory Server instances so that you can properly configure your kernel settings and install any missing patches. The
dsktuneutility is in the
/usr/bindirectory. To run it, simply use the appropriate command:
dsktuneRed Hat Directory Server system tuning analysis version 10-AUGUST-2007. NOTICE : System is i686-unknown-linux2.6.9-34.EL (1 processor). WARNING: 1011MB of physical memory is available on the system. 1024MB is recommended for best performance on large production system. NOTICE : The net.ipv4.tcp_keepalive_time is set to 7200000 milliseconds (120 minutes). This may cause temporary server congestion from lost client connections. WARNING: There are only 1024 file descriptors (hard limit) available, which limit the number of simultaneous connections. WARNING: There are only 1024 file descriptors (soft limit) available, which limit the number of simultaneous connections.
dsktuneis run every time the Directory Server configuration script,
setup-ds-admin, is run.