On 24.05.2013 17:54, Christopher Schultz wrote:
> Top reported that Tomcat was taking somewhere between 550-600% CPU.
> (This is a 4-core hyperthreaded CPU so I have 8 logical cores. 'ab'
> was taking about 100% CPU so I think 600% CPU means it was roughly
> pegging 6 of my logical cores. Roughly
Chris,
Sorry I should have posted the data first. I probably missed the most important
part of a load test. I will do it shortly.
And I am not using Jmeter now,I am using an http client for load test. I am
testing it on Solaris x86 server 64bit JVM. And i have collected the samples
for Tomcat
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Chirag,
On 5/23/13 11:11 PM, Chirag Dewan wrote:
> As I said before a lot of time was spent during the
> ResponseFacade.setContentType() method call. That doesn't tell the
> whole story but more or less the high utilization is mainly in the
> tom
On 24/05/2013 15:54, Christopher Schultz wrote:
> Chirag,
>
> On 5/23/13 11:11 PM, Chirag Dewan wrote:
>> Chris,
>
>> The profiler shows very high CPU utilization in Tomcat threads.
>
>> As I said before a lot of time was spent during the
>> ResponseFacade.setContentType() method call. That doe
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Chirag,
On 5/23/13 11:11 PM, Chirag Dewan wrote:
> Chris,
>
> The profiler shows very high CPU utilization in Tomcat threads.
>
> As I said before a lot of time was spent during the
> ResponseFacade.setContentType() method call. That doesn't tell
ist
Sent: Friday, 24 May 2013 3:24 AM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
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Chirag,
On 5/23/13 1:21 PM, Chirag Dewan wrote:
> With c=1 it is 70k req/sec and with c=2 it is 35k in both i.e the
&g
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Chirag,
On 5/23/13 1:21 PM, Chirag Dewan wrote:
> With c=1 it is 70k req/sec and with c=2 it is 35k in both i.e the
> total req/sec cannot be scaled beyond 70k. With Tomcat 6 it is 60k
> in both clients i.e total of 120k.
>
> I do not expect more
Chris,
With c=1 it is 70k req/sec and with c=2 it is 35k in both i.e the total req/sec
cannot be scaled beyond 70k. With Tomcat 6 it is 60k in both clients i.e total
of 120k.
I do not expect more than 75k req/sec being served by Tomcat 7,but its the
benchmark set by Tomcat 6 which I can't over
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David,
On 5/23/13 7:40 AM, David kerber wrote:
> On 5/23/2013 4:53 AM, Chirag Dewan wrote:
>>
>>
>> Hi All,
>>
>> I tested Tomcat 7.0.40 with Solaris x86. It gave better CPU
>> performance than Tomcat 7.0.30 . It was able to handle 70K
>> reques
esday, 22 May 2013 7:30 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
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Chirag,
On 5/21/13 11:03 PM, Chirag Dewan wrote:
I was monitoring the CPU utilization specifically. I can
compromise on 1 less transac
Tomcat 7 under these circumstances.
Thanks.
From: Christopher Schultz
To: Tomcat Users List
Sent: Wednesday, 22 May 2013 7:30 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
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.
I would have to upgrade to minor version of Tomcat 6 otherwise.
Thanks.
From: Christopher Schultz
To: Tomcat Users List
Sent: Wednesday, 22 May 2013 7:30 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
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Chirag,
On 5/21/13 11:03 PM, Chirag Dewan wrote:
> I was monitoring the CPU utilization specifically. I can
> compromise on 1 less transactions/sec,but 80-90% utilization is
> not good.
While it's nice to reduce resource utilization as much as
On 22/05/2013 04:03, Chirag Dewan wrote:
> My Jprofiler stack trace on Solaris is a lot different. As far as
> I have observed,for Tomcat 7 the stack Trace leads me to
> ResponseFacade.setContentType,which was not the behaviour in
> Tomcat 6. Can that be a bottleneck? Or is there something platfor
Yes. With same JVM on both Solaris and Linux i.e Java 1.6.39. It is 64 bit
version.
Thanks.
Sent from Yahoo! Mail on Android
> From: Chirag Dewan [mailto:chirag.dewa...@yahoo.in]
> Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to
> Tomcat 7
> Well I tested a sample html page with Tomcat 6.0.18 and 7.0.30 on Solaris x86
> server. The req/sec were almost the same for both, but
.
From: Christopher Schultz
To: Tomcat Users List
Sent: Tuesday, 21 May 2013 9:08 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
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Chirag,
On 5/20/13 10:38 AM, Chirag Dewan
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Chirag,
On 5/21/13 6:08 AM, Chirag Dewan wrote:
> It might be weird but its confusing me a lot.
>
> I used HttpClient 4.2.1 for Tomcat 6.0.18 and I used the same
> client with Tomcat 7.0.30,causing the CPU utilization and reduced
> trans/sec.
>
>
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Chirag,
On 5/20/13 10:38 AM, Chirag Dewan wrote:
> I ran my test client on Hello World example servlet on Tomcat
> 7.0.30. It was 12K req/sec with 80% CPU utilization.
>
> The same test case on tomcat 6.0.18 gave me similar req/sec but
> CPU util
?
Thanks.
From: Chirag Dewan
To: Tomcat Users List
Sent: Monday, 20 May 2013 8:08 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
I ran my test client on Hello World example servlet on Tomcat 7.0.30. It was
12K req/sec
: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
On 20/05/2013 06:59, Chirag Dewan wrote:
> Hi,
>
> I have profiled the application using JProfiler,and it seems to me
> that its my servlet which is taking the majority of time.
>
>
> Though the time i
On 20/05/2013 06:59, Chirag Dewan wrote:
> Hi,
>
> I have profiled the application using JProfiler,and it seems to me
> that its my servlet which is taking the majority of time.
>
>
> Though the time is in mili seconds,but I guess since the servlet is
> code is same as with Tomcat 6.0.18 is it t
throughput?
Thanks.
From: Chirag Dewan
To: "users@tomcat.apache.org" ; "ma...@apache.org"
Sent: Friday, 17 May 2013 6:30 PM
Subject: Re: Performance Issue while upgrading from Embedded Tomcat 6 to Tomcat
7
I am running it on Solaris x
I am running it on Solaris x86 server. I haven't even changed my code much.
Let me add a profiler,will post the results.
Thanks.
Sent from Yahoo! Mail on Android
On 17/05/2013 13:29, Chirag Dewan wrote:
> Another important factor is the CPU utilization. Earlier for same trans/sec
> it was 40% now its close to 80%.
I'd upgrade to the latest 7.0.39 but otherwise, definitely time for a
profiler.
If you want raw performance on kept-alive connections then BI
Another important factor is the CPU utilization. Earlier for same trans/sec it
was 40% now its close to 80%.
And yes,the OS,JVM and memory setting are unchanged.
Thanks.
Sent from Yahoo! Mail on Android
I am comparing tomcat 6.0.18 with tomcat 7.0.30.
Would adding NIO or APR connector help? Currently I am using default(BIO)
connector.
Thanks.
Sent from Yahoo! Mail on Android
On 17/05/2013 11:51, Chirag Dewan wrote:
>
>
> Hi All,
>
> I have upgraded my application from Embedded Tomcat 6 to Embedded
> Tomcat 7. With Tomcat 6, I was getting around 7 Transactions per
> sec with a simple HTTP service,which sets the HTTPResponse and
> returns
Hi All,
I have upgraded my application from Embedded Tomcat 6 to Embedded Tomcat 7.
With Tomcat 6, I was getting around 7 Transactions per sec with a simple
HTTP service,which sets the HTTPResponse and returns it.
Now with Tomcat 7,I am getting 54000 transactions per sec. Going through
Thanks for clarifying it. That helped.
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console. If none were configured, nothing were printed
there.
See java.util.logging documentation in JDK. Essentially its bootstrap
is controlled via certain system properties when your java application
(the one that embeds Tomcat) starts.
> Could somebody clarify this
> for me. It
(new File("output-file.txt")));
System.setErr(new PrintStream(new File("output-file.txt")));
I guess I am not clear on how the embedded Tomcat implementation logs the
messages to the console and how I can change it. Could somebody clarify this
for me. It would be great to see and
27;s the difference between regular and embedded Tomcat, in terms of
>> functionality and what the distributions come with?
>
> Regular TC is configured using server.xml, and embedded is configured
> using
> your Java/JMX code.
>
>> --
>> View this message in c
sing
your Java/JMX code.
> --
> View this message in context:
> http://www.nabble.com/Embedded-Tomcat-6-tf3736013.html#a10457545
> Sent from the Tomcat - User mailing list archive at Nabble.com.
>
>
> -
> To st
Why is there no embedded Tomcat download for Tomcat 6, while there is for
Tomcat 5.5?
What's the difference between regular and embedded Tomcat, in terms of
functionality and what the distributions come with?
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