Searching OpenDS and Directory Server on OpenSolaris
By mcraig on Feb 18, 2008
On this Tecra M5, OpenDS and Directory Server now sit side by side. So I built a 100K entries with
make-ldif delivered as part of the OpenDS distro, and imported those entries into both servers.
Directory Server lets me import with
dsadm import .... No sweat.
Curiously, OpenDS balked until I gave it more memory with
OPENDS_JAVA_ARGS="-Xms512" preceding the import command. After that OpenDS imported the entries. The default heap is a bit too small for the current import implementation, I think, unless you are importing only a small sample.
I therefore also gave OpenDS 256M to work with, applying the suggestion about server startup size in the
config/java.properties file with
On this laptop, Directory Server is setup to listen on port 1389, OpenDS on port 2389. For the following
searchrate runs, I started each server before the run, then stopped the server after the run. See how steadily Directory Server handles the load, whereas OpenDS warms up from a fairly slow start then gains the edge in terms of max. search rate?
~/dsrk6/bin$ ./searchrate -p 1389 -s base -b dc=example,dc=com -K -f "(cn=%s\*)" \\ -t 20 -A cn -i example_files/first.names Avg r=3602.65/thr (14410.60/sec), total= 72053 Avg r=3642.05/thr (14568.20/sec), total= 72841 Avg r=3619.45/thr (14477.80/sec), total= 72389 Avg r=3623.50/thr (14494.00/sec), total= 72470 Avg r=3641.45/thr (14565.80/sec), total= 72829 Avg r=3642.20/thr (14568.80/sec), total= 72844 Avg r=3608.35/thr (14433.40/sec), total= 72167 Avg r=3636.35/thr (14545.40/sec), total= 72727 Avg r=3635.70/thr (14542.80/sec), total= 72714 Avg r=3621.95/thr (14487.80/sec), total= 72439 Avg r=3622.25/thr (14489.00/sec), total= 72445 \^C ~/dsrk6/bin$ ./searchrate -p 2389 -s base -b dc=example,dc=com -K -f "(cn=%s\*)" \\ -t 20 -A cn -i example_files/first.names Avg r= 744.05/thr (2976.20/sec), total= 14881 Avg r=2465.85/thr (9863.40/sec), total= 49317 Avg r=3717.70/thr (14870.80/sec), total= 74354 Avg r=3577.90/thr (14311.60/sec), total= 71558 Avg r=3662.80/thr (14651.20/sec), total= 73256 Avg r=3606.50/thr (14426.00/sec), total= 72130 Avg r=3723.70/thr (14894.80/sec), total= 74474 Avg r=3721.85/thr (14887.40/sec), total= 74437 Avg r=3727.25/thr (14909.00/sec), total= 74545 Avg r=3690.20/thr (14760.80/sec), total= 73804 Avg r=3632.15/thr (14528.60/sec), total= 72643 \^C
Seems like if our servers can do pretty well on a laptop with the default config or just a few megs of memory, they really ought to be able to perform given appropriate server hardware and some tuning.