You cannot go by the memory sizes given by ps. In other words, if you add up
the memory used by all processes the sum will be much larger than the actual
amount of memory used, mainly because any shared libraries and shared memory
areas appear physically only once in memory but are listed for ea
Hi,
The java instances are occupying so much memory in server, how can we flush the
memory. And next time jboss restarted it happens the same thing, so many java
instances are running in the background when i checked using #ps -ALL command
in the linux server. Is this suppose to happen with Lin
Seeing multiple java processes running just means that the threading model
being used by the OS causes a separate process to be run for each thread. There
is a Linux kernel option that governs which threading model to use, googling
should turn up the option.
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Hi,
There is one more hints i found in the server that, there are running more java
instances like more than 20 java, and more than 1 jboss is running in the
server in background(Linux RHEL4ES).
Following are the processes running in the server in background.
Hi,
What is the core function of this file jbossjca-service.xml , is this causing
the issue?
For the further information, We have been using apache 2.0.52 and jboss
4.0.3SP1 and mod_jk combination.
Thanks
Milan Gothe
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here you find some useful information about it
http://wiki.jboss.org/wiki/JBossASTuningSliming
basically tune your GC and switch off all services which are not needed
regards
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Hi JaiKiran,
I also want to know what are the core files in jboss to configure regarding the
performance tuning and all.
Thanks.
Milan Gothe
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Hi,
Actually i'm not using jmx-console to check the in use connection count. In
fact, we mapped the application in specific folder,changing the context file
and we couldn't access the web-console and jmx-console.So, we can only use one
at a time either jboss jmx-console or my application.
/opt
Hi,
What is this file jbossjca-service.xml file in Jboss Server?
mbean code="org.jboss.util.threadpool.BasicThreadPool"
name="jboss.jca:service=WorkManagerThreadPool">
attribute name="Name">WorkManager
attribute name="MaximumQueueSize">1024
attribute
Milan,
Did you use the jmx-console to check the in use connection count? What value
does it show?
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Hi,
Yes, i have used the finally block to close the connection.
Thanks.
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Hi JaiKiran,
Did you find some solution to resolve the issue. I don't know what am i suppose
to do now?
Did you get any hints from above mentioned lines of code or do you need further
hints to pin point the issue.
Thanks
Milan Gothe
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"gothemilan" wrote : Hi Friend,
|
| May be this information could help us to find the solutions. we only have
100 Max connection pool in this file defined, should we increase this coz as i
already said before, we have more than 250 users at a time(concurrent).
|
This attribute is for Web
Hi Friend,
May be this information could help us to find the solutions. we only have 100
Max connection pool in this file defined, should we increase this coz as i
already said before, we have more than 250 users at a time(concurrent).
---
Hi,
Thanks for your response.
Can we increase min pool size to 400 and does this have anything to do with
RAM(Memory) in the system. Currently we have 2GB of RAM in the system. Is this
RAM enough to manupulate data for more than 250 users concurrent connection.Is
this causing the issue?
The v
"gothemilan" wrote :
|
| Well, i'm not sure but i think so. It is happening after that 100,000
emails are sent. And also, it won't happen at the moment of email sent out. It
will happen after 2/3 days of email send out.
|
|
If you get hold of the server.log when this actually happen
"gothemilan" wrote : Hi,
|
|
| As i already give you the min pool and block time out above,can we increase
over that i mean we already have 300 min pool size, is there the limitation.
|
|
You will have to check whether your application is leaking connections. See
this wiki http://
Hi Jaikiran,
Sorry,I don't know your name.Thanks you so much for keep on responding.
Do you have any idea how can we see the concurrent access in the jboss or any
tools. And does it have to with the connection pool and all.
Thanks.
Milan Gothe.
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Hi,
Well, i'm not sure but i think so. It is happening after that 100,000 emails
are sent. And also, it won't happen at the moment of email sent out. It will
happen after 2/3 days of email send out.
As i already give you the min pool and block time out above,can we increase
over that i mean
When you say JBoss crashes, do you actually mean the java.exe process is
killed?
As for this exception:
anonymous wrote : 2008-09-04 16:14:11,559 INFO [STDOUT] Caused by:
javax.resource.ResourceException: No ManagedConnections available within
configured blocking timeout ( 3 [ms] )
See t
Hi,
Thanks atleast someone replied. well, we are using linux machine RHEL4AS.
And, we are sending email using Windows 2003 server SMTP server,no exchange
server.And ofcourse, sending email using JAVA. is this anything has to do with.
The jboss is throwing the following error in the log file "
How do you send the emails? What does the server.log contain when the server is
shutting down?
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