On 04.09.2009 11:42, mateo-jl wrote:
> Hello everybody,
> 
> i got many errors about mod_jk but i don't know whether it's the good forum 
> ...
> I have configured 4 tomcat identical servers reached by a front server apache 
> through mod_jk.
> When I look at the jkstatus page, I can note a strange behaviour: only the 
> same server (4) is under loaded.
> Regular percentages are:
> 1st:30% , 2nd:29%, 3rd:28, 4th:13%  (note: lbfactor is the same for the 4 
> workers)

What are therse percentages?

> I don't know which way I can scrutinize.
> I just can see a lot of errors within error.log:
> "Error connecting to tomcat" (not necessarily the 4th) or 
> ajp_process_callback write failed.

Not good.

> So, the question is, which are the first checkings at tomcat configuration I 
> can do ?

Read about timeouts:

http://tomcat.apache.org/connectors-doc/generic_howto/timeouts.html

All attributes are listed on

http://tomcat.apache.org/connectors-doc/reference/workers.html

> Do you have an "how to" for interpreting jkstatus ?

Not really. What about jkstatus do you want to interprete?

There's a bit of information on

http://tomcat.apache.org/connectors-doc/reference/status.html

> or is there any other way, a kind of pure tomcat tool,  to check the tomcat 
> perfs.

Regards,

Rainer

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