Re: Apache Tomcat and Mod-jk

[Rainer Jung <ra...@kippdata.de>]

The bug concerning the high busy values has been fixed in version
1.2.16. The "V" value is an internal counter, on which the decision
concerning the load balancing is based. In 1.2.15 it is normal, that you
see nagative values. For 1.2.16 this behaviour has been changed, so you
should see only positive "V" values and the worker with the lowest one
gets the next request.

We just now tagged 1.2.16. A release candidate is available. Please have
a look at

http://marc.theaimsgroup.com/?l=tomcat-dev&m=115194553720728&w=2

Test results are welcome. If no new problems will be found, the release
vote will procees starting Friday.

The final release will be announced on this list and on the dev list.

andreamodesto.rossi01@ateneopv.it schrieb:
> 
> I've 3 front-end apache with a java webapp over a Oracle DB.There're 2 Server
> application with 4 Tomcat5(2 Tomcat for machine).For example:
> 
> Tomcat1-prode --->TAP1 //*tap is the name of the machine
> Tomcat1-stage --->TAP1
> Tomcat2-prode --->TAP2
> Tomcat2-stage --->TAP2
> 
> Tomcat work only for the JAVA/jsp application,html is for apache server.the
> database is under the tomcat and it's a Oracle10 .
> 
> Well,i configure mod-jk connector,the file worker.properties ,server.xml.....and
> the cluster go up,very good!
> But i don't understand the meant of the page to monitor tomcat ----> JK Status
> Manager (html page, www.xyw.it/jkstatus/ )
> 
> I read this :
> 
> Name Worker route name
> Type Worker type
> Addr Backend Address info
> Stat Worker status
> F Load Balancer Factor
> V Load Balancer Value <<<----- ?????
> Acc Number of requests
> Err Number of failed requests
> Wr Number of bytes transferred/min
> Rd Number of bytes read/min
> Busy Current number of busy connections
> Max Maximum number of busy connections
> RR Route redirect
> Cd Cluster domain
> 
> 
> V load balancer value,what is this???
> 
> My output is this,is it correct?????
> 
> Name : Tomcat1-prode
> Type : Ajp13
> Host : www.xxxxxxx.zzzz
> Addr : ..................
> Stat : OK
> F : 1
> V : -11
> ACC : 3100 Err : 9
> Wr : 0
> Rd : 0
> Busy : 1
> MAx : 37
> RR : nothing
> Cd : nothing Name : Tomcat1-stage
> Type : Ajp13
> Host : www.xxxxxxx.zzzz
> Addr : ..................
> Stat : OK
> F : 1
> V : -17
> ACC : 3096 Err : 9
> Wr : 0
> Rd : 0
> Busy : 1
> MAx : 23
> RR : nothing
> Cd : nothing Name : Tomcat2-prode
> Type : Ajp13
> Host : www.xxxxxxx.zzzz
> Addr : ..................
> Stat : OK
> F : 1
> V : -68
> ACC : 3096 Err : 9
> Wr : 0
> Rd : 0
> Busy : 2
> MAx : 38
> RR : nothing
> Cd : nothing Name : Tomcat2-stage
> Type : Ajp13
> Host : www.xxxxxxx.zzzz
> Addr : ..................
> Stat : OK
> F : 1
> V : 8
> ACC : 3094 Err : 9
> Wr : 0
> Rd : 0
> Busy : 4294967295 //* But,is it POSSIBLE? why????
> MAx : 11
> RR : nothing
> Cd : nothing  
> I don't understand ...what are those number V???
> -11,-17,-68,8.....are correct???
> 
> And for the Tomcat2-stage i read Busy=4294967295 O_o why???? it's because the
> cluster isn't correct????
> 
> 
> Thanks a lot,
> 
> a.m.rossi
> 
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