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[birt-report-engine-dev] PERFORMANCE 
Apache 5.5.11 is a highy scalable appserver.  Better to do scalability test of BIRT reports befor deploying.
 
Something like multi table query with 50,000 rows x 500 users
There are free tools available to do this kind of test.
 
Hari Nair
 

________________________________

From: birt-report-engine-dev-bounces@xxxxxxxxxxx on behalf of birt-report-engine-dev-request@xxxxxxxxxxx
Sent: Sat 6/17/2006 9:31 PM
To: birt-report-engine-dev@xxxxxxxxxxx
Subject: birt-report-engine-dev Digest, Vol 13, Issue 1



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Today's Topics:

   1. PERFORMANCE (Chaohua Wang)
   2. RE: PERFORMANCE (Chaohua Wang)
   3. RE: PERFORMANCE (Chaohua Wang)
   4. RE: PERFORMANCE (Roshanak Afsarifard)
   5. RE: PERFORMANCE (Roshanak Afsarifard)


----------------------------------------------------------------------

Message: 1
Date: Fri, 16 Jun 2006 10:47:08 -0600
From: "Chaohua Wang" 
Subject: [birt-report-engine-dev] PERFORMANCE
To: "For developers on the BIRT Report Engine project"
        
Message-ID:
        <0CFF6D3F3C76754F8011CE98278D924C2AF574@xxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain;       charset="us-ascii"


Hi,

I have developed an application using BIRT 2.1.0 RC3, deployed in
Jboss4.0.2
I wrote a report engine server, which generates pdf file.
My report engine server will handle multiple threads request.
Fir example, I want to create 10 pdf files whose size is 600kb. It is
ok,
When I sent 15 requests, which means the engine server will generate 15
pdf files. All files were stopped at 80% done, could not go through any
more.

Can IReportEngine (a singleton engine) handle multi threads without
limit? 

Chaohua




------------------------------

Message: 2
Date: Fri, 16 Jun 2006 14:59:14 -0600
From: "Chaohua Wang" 
Subject: RE: [birt-report-engine-dev] PERFORMANCE
To: "For developers on the BIRT Report Engine project"
        
Message-ID:
        <0CFF6D3F3C76754F8011CE98278D924C2AF587@xxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain;       charset="us-ascii"

Hi,

I have developed an application using BIRT 2.1.0 RC3, deployed in
Jboss4.0.2
I wrote a report engine server, which generates pdf file.
My report engine server will handle multiple threads request.
Fir example, I want to create 10 pdf files whose size is 600kb,
containing  2000 records, they are done successfully. Bur when I sent 15
requests, which means the engine server will generate 15 pdf files. All
files generation are getting slow, gradually stuck around 80% generated,
could not go through any more.

So when I reduced to 200 records, the generated files size will be 60kb.
My report engine server can handle 15 threads, not problem at all.


Can IReportEngine (a singleton engine) handle multi threads without
limit? 

Are there someplace to clean up cache or something else?

Do I need one ReportEngine instance per ReportDesign instance or can I
share my ReportEngine instance for all ReportDesign instances in a
multithreaded webapp environment?


Chaohua


_______________________________________________
birt-report-engine-dev mailing list
birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev


------------------------------

Message: 3
Date: Fri, 16 Jun 2006 15:24:07 -0600
From: "Chaohua Wang" 
Subject: RE: [birt-report-engine-dev] PERFORMANCE
To: "For developers on the BIRT Report Engine project"
        
Message-ID:
        <0CFF6D3F3C76754F8011CE98278D924C2AF589@xxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain;       charset="us-ascii"


Hi,

I have developed an application using BIRT 2.1.0 RC3, deployed in
Jboss4.0.2
I wrote a report engine server, which generates pdf file.
My report engine server will handle multiple threads request.
Fir example, I want to create 10 pdf files whose size is 600kb,
containing  2000 records, they are done successfully. But when I sent 15
requests, which means the engine server will generate 15 pdf files. All
files generation are getting slow, gradually stuck around 80% generated,
could not go through any more.

So when I reduced to 200 records, the generated files size will be 60kb.
My report engine server can handle 15 threads, not problem at all.


My question is:
Do I need to clean up cache or something else?
Looks like some place is over flow, can't fill anything. So it is
getting slow to generate to pdf file, finally got stuck.

Do I need one ReportEngine instance per ReportDesign instance or can I
share my ReportEngine instance for all ReportDesign instances in a
multithreaded webapp environment?


Chaohua


_______________________________________________
birt-report-engine-dev mailing list
birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev
_______________________________________________
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birt-report-engine-dev@xxxxxxxxxxx
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------------------------------

Message: 4
Date: Fri, 16 Jun 2006 15:12:05 -0700
From: "Roshanak Afsarifard" 
Subject: RE: [birt-report-engine-dev] PERFORMANCE
To: "For developers on the BIRT Report Engine project"
        
Message-ID:
        
Content-Type: text/plain;       charset="us-ascii"

Hi Chaohua,
    Have you tried to increase the JVM heap size?
You can also try to test with another app server such as Tomcat to see
if you get a different behavior.
What is the machine configuration: CPU speed, memory,...
Best regards,
Roshanak

-----Original Message-----
From: birt-report-engine-dev-bounces@xxxxxxxxxxx
[mailto:birt-report-engine-dev-bounces@xxxxxxxxxxx] On Behalf Of Chaohua
Wang
Sent: Friday, June 16, 2006 9:47 AM
To: For developers on the BIRT Report Engine project
Subject: [birt-report-engine-dev] PERFORMANCE


Hi,

I have developed an application using BIRT 2.1.0 RC3, deployed in
Jboss4.0.2
I wrote a report engine server, which generates pdf file.
My report engine server will handle multiple threads request.
Fir example, I want to create 10 pdf files whose size is 600kb. It is
ok,
When I sent 15 requests, which means the engine server will generate 15
pdf files. All files were stopped at 80% done, could not go through any
more.

Can IReportEngine (a singleton engine) handle multi threads without
limit? 

Chaohua


_______________________________________________
birt-report-engine-dev mailing list
birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev


------------------------------

Message: 5
Date: Fri, 16 Jun 2006 15:35:22 -0700
From: "Roshanak Afsarifard" 
Subject: RE: [birt-report-engine-dev] PERFORMANCE
To: "For developers on the BIRT Report Engine project"
        
Message-ID:
        
Content-Type: text/plain;       charset="us-ascii"

Chaohua,
BIRT report engine can handle multi threads, each request however should
have its own task.
Regards,
Roshanak
-----Original Message-----
From: birt-report-engine-dev-bounces@xxxxxxxxxxx
[mailto:birt-report-engine-dev-bounces@xxxxxxxxxxx] On Behalf Of
Roshanak Afsarifard
Sent: Friday, June 16, 2006 3:12 PM
To: For developers on the BIRT Report Engine project
Subject: RE: [birt-report-engine-dev] PERFORMANCE

Hi Chaohua,
    Have you tried to increase the JVM heap size?
You can also try to test with another app server such as Tomcat to see
if you get a different behavior.
What is the machine configuration: CPU speed, memory,...
Best regards,
Roshanak

-----Original Message-----
From: birt-report-engine-dev-bounces@xxxxxxxxxxx
[mailto:birt-report-engine-dev-bounces@xxxxxxxxxxx] On Behalf Of Chaohua
Wang
Sent: Friday, June 16, 2006 9:47 AM
To: For developers on the BIRT Report Engine project
Subject: [birt-report-engine-dev] PERFORMANCE


Hi,

I have developed an application using BIRT 2.1.0 RC3, deployed in
Jboss4.0.2
I wrote a report engine server, which generates pdf file.
My report engine server will handle multiple threads request.
Fir example, I want to create 10 pdf files whose size is 600kb. It is
ok,
When I sent 15 requests, which means the engine server will generate 15
pdf files. All files were stopped at 80% done, could not go through any
more.

Can IReportEngine (a singleton engine) handle multi threads without
limit? 

Chaohua


_______________________________________________
birt-report-engine-dev mailing list
birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev
_______________________________________________
birt-report-engine-dev mailing list
birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev


------------------------------

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birt-report-engine-dev@xxxxxxxxxxx
https://dev.eclipse.org/mailman/listinfo/birt-report-engine-dev


End of birt-report-engine-dev Digest, Vol 13, Issue 1
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