DHR (Document Hit Rate)

From: Sam Chen (Sxchen@doongo.com)
Date: Thu Apr 12 2001 - 18:46:49 MDT


Hi,
     I am running Polygraph 2.5.4 to test our software. I am using the
simple.pg. The original DHR (Document Hit Rate) from Polygraph Client output
is about 40.0. After the polygraph runs for about 20 minutes, one message
shows up from Polygraph Server:

    client ran out of new public oids

then, the DHR starts to drift lower and lower. We let the system run for a
long time, the DHR is just getting worse and worse to almost 0.

     However, if we shut down Polygraph Server and restart it again, the DHR
will jump back to about 40.0.

     Any suggestions on how to config simple.pg to make DHR stable at around
40.0 will be appreciated!

ps: simple.pg has 55% url "revisit" rate set.

Best regards!

Sam



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