Re: jkmanager node limitation

2008-06-11 Thread Mohan2005
Yes :-) That works like a beauty. Thanks a lot again. I will document this. Regards Mohan Mohan2005 wrote: > > Hello All; > > Can you please tell me the maximum number of nodes a JkManager can handle > without any issues ? > > Assume a Quad-Core large memory sy

Re: jkmanager node limitation

2008-06-11 Thread Mohan2005
a&val1=activate But did not activate a stopped node. (NODE1 in this case) Thanks you for your help and attention to this. Regards Mohan Rainer Jung-3 wrote: > > Mohan2005 schrieb: >> Hello Again; >> >> I tried the following, did not take effect; >> What am I d

Re: Getting CPU Usage of JVM using SNMP

2008-06-11 Thread Mohan2005
Dear All FYI I was able to get JVM information except for CPU information using MUNIN regards Mohan Mohan2005 wrote: > > Hello All; > > I can get the JVM memory information using the following SNMP commands. > > /usr/bin/snmpwalk -c public -v 2

Re: jkmanager node limitation

2008-06-10 Thread Mohan2005
rds Mohan Rainer Jung-3 wrote: > > Mladen Turk wrote: >> Mohan2005 wrote: >>> On the same front, say we have 50 nodes and one jkmanager. >>> There would be a management problem to disable/activate nodes. >>> Is there a way to disable/activate node

Re: jkmanager node limitation

2008-06-10 Thread Mohan2005
Thank you. I will. Regards mohan Rainer Jung-3 wrote: > > Mladen Turk wrote: >> Mohan2005 wrote: >>> On the same front, say we have 50 nodes and one jkmanager. >>> There would be a management problem to disable/activate nodes. >>> Is there a way to disabl

Re: jkmanager node limitation

2008-06-10 Thread Mohan2005
7; keyword. Example to activate node1000 worker.node1000.activation=s and worker.node1000.activation=Active thanks and regards Mohan Mohan2005 wrote: > > Thank you. > > > Mladen Turk-4 wrote: >> >> Mohan2005 wrote: >>> Hello All; >>> >>>

Re: jkmanager node limitation

2008-06-09 Thread Mohan2005
Thank you. Mladen Turk-4 wrote: > > Mohan2005 wrote: >> Hello All; >> >> Can you please tell me the maximum number of nodes a JkManager can handle >> without any issues ? >> > > Theoretically unlimited, but number of workers is defined by int, &

jkmanager node limitation

2008-06-08 Thread Mohan2005
Hello All; Can you please tell me the maximum number of nodes a JkManager can handle without any issues ? Assume a Quad-Core large memory system. Thanks and Regards Mohan -- View this message in context: http://www.nabble.com/jkmanager-node-limitation-tp17720375p17720375.html Sent from the To

Getting CPU Usage of JVM using SNMP

2008-02-21 Thread Mohan2005
Hello All; I can get the JVM memory information using the following SNMP commands. /usr/bin/snmpwalk -c public -v 2c 172.10.1.11:3000 .1.3.6.1.4.1.42.2.145.3.163.1.1.2.110.1.2 SNMPv2-SMI::enterprises.42.2.145.3.163.1.1.2.110.1.2.1 = STRING: "Code Cache" SNMPv2-SMI::enterprises.42.2.145.3.163.1.

Re: Can we use the balance_members attribute

2008-01-16 Thread Mohan2005
Thank you. So the only way you can do "domain" wide fail-over is by using the "domain" name given in worker.node1.domain="A" in the Jboss server.xml's jvmRoute ? And there are no attributes in the workers.property file to do that ? Regards Mohan Mohan2005

Can we use the balance_members attribute

2008-01-15 Thread Mohan2005
Hello I saw this in http://people.apache.org/~mturk/docs/article/ftwai.html But does not see the balance_members attribute in workers.properties documentation. Is it valid ? worker.node1.type=ajp13 worker.node1.host=10.0.0.10 worker.node1.lbfactor=1 worker.node2.type=ajp13

Re: Busyness Method and others...

2008-01-09 Thread Mohan2005
Great information. This was what we were looking for. This will help us a lot in future changes to our cluster and node infrastructure. Thank you very much. Regards Mohan Rainer Jung-3 wrote: > > Mohan2005 wrote: >> Hello Rainer; >> >> Thanks again for taking the time

Re: Busyness Method and others...

2008-01-09 Thread Mohan2005
he methods please? Thanks and Best Regards Mohan Rainer Jung-3 wrote: > > Mohan2005 schrieb: >> Hello! >> >> The documentation says the following on the Busyness Method... >> >> QUOTE >> If set to B[usyness] the balancer will pick the worker with the lo

Busyness Method and others...

2008-01-08 Thread Mohan2005
Hello! The documentation says the following on the Busyness Method... QUOTE If set to B[usyness] the balancer will pick the worker with the lowest current load, based on how many requests the worker is currently serving. This number is divided by the workers lbfactor, and the lowest value (least

Re: mod_jk "Busyness" algorithm and Node Health Check

2008-01-07 Thread Mohan2005
checks the Network Latency (Network Response ) through Cping and Cpong methods as a nodes health as described in http://tomcat.apache.org/connectors-doc/generic_howto/timeouts.html Regards Mohan Rainer Jung-3 wrote: > > Hi Mohan, > > Mohan2005 schrieb: >> Dear All; >&g

RE: clarification of server.xml settings for AJP 1.3 Thread Limit

2008-01-06 Thread Mohan2005
> D > > On Wed, 2008-01-02 at 11:12 -0800, Mohan2005 wrote: >> thank you. we will look into this. >> >> Caldarale, Charles R wrote: >> > >> >> From: Mohan2005 [mailto:[EMAIL PROTECTED] >> >> Subject: Re: clarification of server.xml sett

mod_jk "Busyness" algorithm and Node Health Check

2008-01-06 Thread Mohan2005
Dear All; If I am not wrong, the "Busyness" algorithm routes requests to workers by checking their "Health" What criteria constitutes as a "nodes" "Health" and if so, How is it determined (using the native JVM or else ) Thanks you Regards Mohan -- View this message in context: http://www.nab

RE: clarification of server.xml settings for AJP 1.3 Thread Limit

2008-01-02 Thread Mohan2005
thank you. we will look into this. Caldarale, Charles R wrote: > >> From: Mohan2005 [mailto:[EMAIL PROTECTED] >> Subject: Re: clarification of server.xml settings for AJP 1.3 >> Thread Limit > >> on jboss side server.xml file, we wish to increase the >>

Re: clarification of server.xml settings for AJP 1.3 Thread Limit

2008-01-02 Thread Mohan2005
Thank you very much. We will try this, and inquire further if we run into complications. On Question Once; To increase maximum thread limit for AJP 1.3 on jboss's server.xml Is it MaxThreads or MaxProcessors please ? Thanks and Regards Mohan Rainer Jung-3 wrote: > > Mohan2

clarification of server.xml settings for AJP 1.3 Thread Limit

2008-01-02 Thread Mohan2005
Greetings All Happy New Year 2008!! Question 01 on jboss side server.xml file, we wish to increase the maximum THREAD count for the AJP 1.3 connector port 8009; (Default is 200) Which parameter is used to do this ? Question 02 Recently we have made our jboss servers j2ee compliant, earlier i

Re: Tomcat with 8 GB memory

2007-07-31 Thread Mohan2005
so now we have to identify if our application is 64bit compatible or 32bit compatible. would not this be a very difficult situation as far as porting to 64bit is concerned? Andrew Miehs wrote: > > > On 29/07/2007, at 9:08 PM, David Smith wrote: > >> "...but people advice that 64bit are 20 - 30

Re: Tomcat with 8 GB memory

2007-07-30 Thread Mohan2005
ns to put out a product line that can not > compete with IBM's old servers and is slower than HP's existing products. > > > Mohan2005 wrote: >> Hello: >> >> we also wish to convert out 32bit dual cores to 64bit dual cores to run >> java >> applic

Re: Tomcat with 8 GB memory

2007-07-30 Thread Mohan2005
thanks for the clarifications. Peter Stavrinides wrote: > > This is really not true, (unless the machine in question is more than > four years then performance is faster for some operations and slower for > others), with a new machine you will gain. > > Mohan2005 wrote:

Re: Tomcat with 8 GB memory

2007-07-29 Thread Mohan2005
Hello: we also wish to convert out 32bit dual cores to 64bit dual cores to run java applications (multiple instances with large JVM memory) but people advice that 64bit are 20 - 30% slower than the 32bit with smaller JVM. why? and if true how to overcome?? thanks Peter Stavrinides wrote: > >

connectionTimeout for AJP 1.3 in server.xml

2007-01-17 Thread Mohan2005
Hello In the server.xml There is no connection timeout value set What is the default value ? Should the value that is set here be equal to the value connection_pool_timeout set in workers.properties file ? And what is the value set here..also in server.xml Your reply

Re: problems with connector

2006-11-18 Thread Mohan2005
Hi; just to give my 2-cents as a mod_jk user, i had a similar problem where mod_jk and tomcat was working ok, and apache was also working ok, but sending blank pages to the user. noticed the mod_jk log had grown to over 3GB in size, then deleted and restarted services and started working fine. l

Re: mod_jk stable version - numbering

2006-10-06 Thread Mohan2005
thanks for response. Mladen Turk-2 wrote: > > Mohan2005 wrote: >> Is there a numbering scheme used when releasing mod_jk stable versions? >> > > No. We tried that more then a year ago, but > then decide not to. > >> For example, some software releases

mod_jk stable version - numbering

2006-10-06 Thread Mohan2005
Is there a numbering scheme used when releasing mod_jk stable versions? For example, some software releases use EVEN numbers as STABLE releases and ODD numbers as UNSTABLE releases. Example: 1.2.18 - stable release 1.2.19 - unstable release thanks in advance mohan -- View thi

Re: serious load balancing issue with 'B' load balancer method

2006-08-18 Thread Mohan2005
Hi All: In this case, it is advisable to revert back to the default load balancer method (R) ? Please advice. Regards Mohan Mohan2005 wrote: > > Hi all: > > After running and collecting jkmanager statistics we noticed that one of > many nodes are not getting any are hardly

serious load balancing issue with 'B' load balancer method

2006-08-17 Thread Mohan2005
Hi all: After running and collecting jkmanager statistics we noticed that one of many nodes are not getting any are hardly any requests at some time. and seems have got ignored by the 'Busyness' lb method. Then we restart web server and things start working again. After some accumulation (which

Re: Mod_jk load balacing algorithm

2006-08-08 Thread Mohan2005
Hello: Thanks for those explainations. We will have to look further on the behavior of that server3_1 node. On the 'P' option which was recommended by Mladen Turk some time ago when we had issues (share memory locking) with a older version of mod_jk ( <1.2.15), we have left it as it is. But if

Re: Mod_jk load balacing algorithm

2006-08-07 Thread Mohan2005
Hello Thaks. We will enable loggin to find this, but since its a production setup will it affect performance ? This is a set of stats. Apache was running for 3 weeks. (Hope this is clear) mod_jk 1.2.18 with Busyness and sticky sessions (all nodes are identicical). Name Type jvmRoute Ho

Re: were there any major issues with 1.2.17??

2006-07-25 Thread Mohan2005
ok thanks -- View this message in context: http://www.nabble.com/were-there-any-major-issues-with-1.2.17---tf1993998.html#a5485855 Sent from the Tomcat - User forum at Nabble.com. - To start a new topic, e-mail: users@tomcat.a

were there any major issues with 1.2.17??

2006-07-24 Thread Mohan2005
Dear All: Please clarify: We have used version 1.2.17 since its release for testing on linux platform. We are using the new 'Busysness' method. There were no noticeable issues. Why was 1.2.18 released ? Were there any issues related to "Busyness" method or 1.2.17 as a whole. Sorry for any inco

Re: 'Update Worker' button with mod_jk 1.2.16

2006-07-05 Thread Mohan2005
Dear Sir: I did this, recompiled and installed. Its working perfectly now. Thanks for the help. Since this version has fixed the 2^32 - 1 number in Busy column, is it safe to assume that the Busy number in the new version is dead accurate and can be used as a load balancing method 'B' without a

RE: "Busy" in jkmanager

2006-07-05 Thread Mohan2005
This is a good Idea. We already use Jmeter to test GC performance. thanks for the tip. but we have a variation of classes and customer behavious which is difficult to simulate with jmeter. we run load tests with one heavy class. -- View this message in context: http://www.nabble.com/%22Busy%22-

Re: 'Update Worker' button with mod_jk 1.2.16

2006-07-05 Thread Mohan2005
Dear Sir: Issue: 'Update Worker' does not respond/is hung when trying to use Disabled/Stopped options. workers.properties file as follows... # # workers.properties # # In Unix, we use forward slashes: ps=/ # list the workers by name #worker.list=lab2a, lab2b, lab2c, lab2d, lab2e, lab2e, loadb

'Update Worker' button with mod_jk 1.2.16

2006-07-05 Thread Mohan2005
Dear All: The 'Udate Worker' button does not respond after installing mod_jk 1.2.16 It was working with 1.2.15 release. Thanks -- View this message in context: http://www.nabble.com/%27Update-Worker%27-button-with-mod_jk-1.2.16-tf1893298.html#a5177759 Sent from the Tomcat - User forum at Na

Re: "Busy" in jkmanager

2006-07-04 Thread Mohan2005
Hello again, According to the workers.properties document (http://tomcat.apache.org/connectors-doc/config/workers.html), Definition of 'method' says the following... Specifies what method load balancer is using for electing best worker. If method is set to R[equest] balancer will use number of

Re: "Busy" in jkmanager

2006-07-04 Thread Mohan2005
Thank you very much for that answer. When you say 'Requests' does that mean the number of objects rendered through that particular tomcat node ? And how does the load balancing mechanism use the 'Busy' factor ? Thanks Mohan -- View this message in context: http://www.nabble.com/%22Busy%22-in

"Busy" in jkmanager

2006-07-03 Thread Mohan2005
Dear All: Please explain what this "Busy" number is in jkmanager and its significance to the load balancer. Thanks in advance. Mohan -- View this message in context: http://www.nabble.com/%22Busy%22-in-jkmanager-tf1888108.html#a5162174 Sent from the Tomcat - User forum at Nabble.com.

Observation on Acc and Busy in jkmanager

2006-05-03 Thread Mohan2005
Hello What is the connection between Busy and Acc in mod_jk ? We see that mod_jk tries to balance out Acc but Busy values are different. Is there any logic in the algorithm that monitors Busy values when taking load balancing decisions ? lbfactor=1 for 6 nodes with 2 groups (3 nodes per group)

RE: Recommended Specs for Oracle 10g db server

2006-03-26 Thread Mohan2005
Thank you all kindly for these valuable comments and suggestions. I have notices somethings we have obvious problems and need to be addressed. We are running this 10g on a hardware RAID-5 array (SCSI). The 10g is at the backend of 12 tomcat servers load balanced thru a apache web server. Each t

Re: mod_jk settings for a large node cluster

2006-03-25 Thread Mohan2005
any sugestions on this please ? -- View this message in context: http://www.nabble.com/mod_jk-settings-for-a-large-node-cluster-t1276978.html#a3585482 Sent from the Tomcat - User forum at Nabble.com. - To unsubscribe, e-mail: [

Re: mod_jk failover loadbalancing doesn't recognize hung tomcat

2006-03-24 Thread Mohan2005
hi we has similar issue we did not mess with prepost values but changed locking method to pesimistic, and set socket_timeout to 60sec, recycle_time to 600sec and reply_timeout to 18(ms) these were recommended by Mladen Turk and now Busy connections are distributed among all nodes equally. -