In addition to Freds remark:
Usually you want the "LAST" variant, instead of the "FIRST" variant. The
two are the same, if a loab balancer only tries one worker, but in case
of an error and failover, FIRST will be the first worker tried (so the
failed one) and LAST the last one, so usually the successful one (unless
all workers fail).
%T: response time in seconds, and I think it always gets rounded down.
So usually not very useful
Instead you could use the httpd standard %D, which is response time in
microseconds.
Last remark: until JK 1.2.25 the variables JK_WORKER_ROUTE and
JK_REQUEST_DURATION where only filled, if some JkRequestLogFormat was
set. In your version 1.2.26 both of them should get set even with a
JkRequestLogFormat (but only, if the request gets handled by mod_jk, so
not for static content, that is returned by the web server without any
Tomcat interaction).
Regards,
Rainer
Ahmed Musa schrieb:
Hallo,
I am logging the mod_jk Output through the Apache access_log - as written in
the reference found under
http://tomcat.apache.org/connectors-doc/reference/apache.html
Because i want to get clearness about what exactly is going on in our system i
use the following LogFormat:
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" \"%{Cookie}i\" \"%{Set-Cookie}o\" %{pid}P %{tid}P%T
%{JK_WORKER_NAME}n %{JK_REQUEST_DURATON}n %{JK_WORKER_ROUTE}n %{JK_LB_FIRST_NAME}n %{JK_LB_FIRST_BUSY}n %{JK_LB_FIRST_VALUE}n
%{JK_LB_FIRST_ACCESSED}n %{JK_LB_FIRST_READ}n %{JK_LB_FIRST_TRANSFERRED}n
%{JK_LB_FIRST_ERRORS}n %{JK_LB_FIRST_ACTIVATION}n
%{JK_LB_FIRST_STATE}n %{JK_LB_LAST_NAME}n" mod_jk_log
...everthing works fine except the Options responsible for the Request Duration.
Mostly neither %T nor %{JK_REQUEST_DURATON}n have a Value (%T mostly is 0 an the other
Parameter is "-").
At some Requests i found the %T has a value like for example 2 or 3.. - and JK_REQUEST
DURATION has "-"
or %T is 0 and JK_REQUEST_DURATION has an value like 2 or 3 ...
First - why are there not values at each request ?
Second -i think both Options are measuring the same Value - why they are not
the same ?
Third - why they are not showing seconds.microseconds as written in the
reference but only (I think so) rounded seconds.
We use mod_jk 1.2.26
Thanks for help
Best
ahmed
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