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Using nd-pathinfo-forward
The find-pathinfo-forward parameter used in obj.conf can help improve your
performance. It is used with the PathCheck function find-pathinfo and the NameTrans
functions pfx2dir and assign-name. The find-pathinfo-forward parameter instructs the
server to search forward for PATH_INFO in the path after ntrans-base, instead of backward
from the end of the path in the server function find-pathinfo.
Note – The server ignores the find-pathinfo-forward parameter if the ntrans-base parameter
is not set in rq->vars when the server function find-pathinfo is called. By default,
ntrans-base is set.
Example
NameTrans fn="pfx2dir" find-pathinfo-forward="" from="/cgi-bin"
dir="/export/home/cgi-bin" name="cgi"
NameTrans fn="assign-name" from="/perf"
find-pathinfo-forward="" name="perf"
This feature can improve performance for certain URLs by doing fewer stats in the server
function find-pathinfo. On Windows, you can also use this feature to prevent the server from
changing "\\" to "/" when using the PathCheck server function find-pathinfo.
For more information about obj.conf , see the Sun Java System Web Server 7.0 Update 1
Administrator’s Conguration File Reference.
Using nostat
You can specify the parameter nostat in the obj.conf NameTrans function assign-name to
prevent the server from doing a stat on a specied URL whenever possible. Use the following
syntax:
nostat=virtual-path
Example
<Object name=default>
NameTrans fn="assign-name" from="/nsfc" nostat="/nsfc" name="nsfc"
</Object>
<Object name=nsfc>
Service fn=service-nsfc-dump
</Object>
Usingnd-pathinfo-forward
SunJavaSystemWebServer7.0Update1 PerformanceTuning,Sizing,and ScalingGuide •82