Re: RE: Which is better Option

2005-12-20 Thread Raja Neravati
Karthik,

I sent a reply yesterday on this. Did you not receive it ?  

RS

On Tue, 20 Dec 2005 Karthik wrote :


Hi Form


   *Which Option [ advantages /limitations ] is Better ?*

   Certenly yes ,but need more clarifications [ assuming running on same
JVM ]



   with regards
Karthik

-Original Message-
 From: Tim Funk [mailto:[EMAIL PROTECTED]
Sent: Monday, December 19, 2005 7:18 PM
To: Tomcat Users List
Subject: Re: Which is better Option


jms - JMS can live in the same JVM or be moved to a new JVM without changing
any servlet code. (Only some config changes)


-Tim

Karthik wrote:

  Hi Form
 
   Please somebody specify
 
   Which Option [ advantages /limitations ] is Better ?
 
 1) Using a Servlet to created a seperate Thread for processing a Bulk
DB
  Task [ Off the limits of session time]
 2) Using JMS to handle the Bulk DB Task.


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Re: Which is better Option

2005-12-19 Thread Raja Neravati
You cannot define by these parameters which should be the best, because you 
need to consider lot of other factors as well. But with the given information 
by you this is what my opinion would be: -

1. Using a servlet would be a request/response mechanism and you make user wait 
for response. As you are saying that this is a bulk data process, I am not sure 
if your end user wants to wait for response.  

2. Using JMS would provide you a asynchronous mechanism of decoupling your 
transaction processing. So you should provide user a status id of the 
transaction where he can come back and browse for the status.

Hope this helps you in making a better judgement.

RS

On Mon, 19 Dec 2005 Karthik wrote :
Hi Form

  Please somebody specify

  Which Option [ advantages /limitations ] is Better ?

1) Using a Servlet to created a seperate Thread for processing a Bulk DB
Task [ Off the limits of session time]
2) Using JMS to handle the Bulk DB Task.

with regards
Karthik


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Re: Re: Issue with Apache 1.3 + Tomcat 5.5 + Mod JK 1.2.10

2005-12-07 Thread Raja Neravati
I can try tuning this on the servers. But as I told in my first email, this 
wierd problem started happening only after migrating to Tomcat 5.5. So if these 
were to create a problem, I should have faced it in 4.0.6 also - Right.

..Raj


On Thu, 08 Dec 2005 Mladen Turk wrote :
Raja Neravati wrote:
worker.worker1.recycle_timeout=60

Remove this directive.

worker.worker1.retries=3


Connector port=8009 enableLookups=false  protocol=AJP/1.3
minSpareThreads=100 maxThreads=300 maxSpareThreads=80 acceptCount=60 
debug=0 connectionTimeout=-1 /

maxThreads should be equal to MaxClients in httpd.conf. If it's smaller
then set connectionTimeout=6 and add:

worker.worker1.connect_timeout=6
worker.worker1.prepost_timeout=6

The later would be recomended if you have firewall between mod_jk
and Tomcat.

And of course, use the latest stable mod_jk (1.2.15)
If you look at the:
http://tomcat.apache.org/connectors-doc/changelog.html
You will see that couple of things were fixed since 1.2.10 :)

Regards,
Mladen.

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