We are using the nsv arrays of aolserver to handle a large load of queries.
The application can be seen at

http://results.doitsports.com/lasalle/2004/

With that application, we handled 1.7 million queries in a day (using 5
servers).

We put 21MB worth of data into 39 arrays.

Under a lot of load, the nsd process swells (just soaks up all available RAM
(which is 2G on each box)) and hangs. There is no thrashing going on; the
SIZE is just barely bigger than the RSS under top.

We are using aolserver 4.0 on Linux version 2.4.25-grsec and having a hard
time figuring out what the ideal configuration would be.

We have tried adjusting the folllowing paramters:
nsvbuckets (we've tried 8, 16, 32, 64)
maxthreads (currently 20)

We have not tried adjusting:
stacksize

Does anyone have any idea what the ideal config would be for this app? What
should we set nsvbuckets to? Maxthreads?

Thanks


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AOLserver - http://www.aolserver.com/

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