3:23 a.m.
Dear Undertow devs,
I'm running some test on the new undertow subsystem: in particular I'm trying to
control the maximum threads available for serving http requests (old Tomcat maxThread
parameter).
Is it correct to define the max threads allowed via the io-threads attribute of the worker
element as follows ?
<subsystem xmlns="urn:jboss:domain:undertow:1.0">
<http-listener name="default" socket-binding="http"
worker="custom" />
. . .
</subsystem>
<subsystem xmlns="urn:jboss:domain:io:1.0">
<worker name="custom" io-threads="100" />
<buffer-pool name="default" buffer-size="16384"
buffers-per-slice="128"/>
</subsystem>
Or should rather use the task-max-threads attribute instead ?
Thanks!
Francesco
6:30 p.m.
You are after task-max-threads (we probably need a better name for this).
io-threads are just used for accepting and parsing HTTP requests, once
the request is parsed it is handed off to the task threads to actually
run the servlet request.
Stuart
FRANCESCO MARCHIONI wrote:
Dear Undertow devs,
I’m running some test on the new undertow subsystem: in particular I’m
trying to control the maximum threads available for serving http
requests (old Tomcat maxThread parameter).
Is it correct to define the max threads allowed via the io-threads
attribute of the worker element as follows ?
<subsystem xmlns="urn:jboss:domain:undertow:1.0">
<http-listener name="default" socket-binding="http"
worker="custom" />
. . .
</subsystem>
<subsystem xmlns="urn:jboss:domain:io:1.0">
<worker name="custom" io-threads="100" />
<buffer-pool name="default" buffer-size="16384"
buffers-per-slice="128"/>
</subsystem>
Or should rather use the task-max-threads attribute instead ?
Thanks!
Francesco
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3:53 a.m.
Afaik we have replaced task-max-threads for io-threads as per dissucstion I
had with David.
Probably David can tell bit more.
Francsco, what are you after? Limiting the number of concurrent requests or
just threads processing requests?
As in undertow few threads can process lots of requests concurrently we do
not have 1:1 mapping on thread:request as jbossweb/tomcat did.
--
tomaz
-----Original Message-----
From: undertow-dev-bounces(a)lists.jboss.org [mailto:undertow-dev-
bounces(a)lists.jboss.org] On Behalf Of Stuart Douglas
Sent: Thursday, June 13, 2013 1:30 AM
To: FRANCESCO MARCHIONI
Cc: undertow-dev(a)lists.jboss.org
Subject: Re: [undertow-dev] Undertow worker threads
You are after task-max-threads (we probably need a better name for this).
io-threads are just used for accepting and parsing HTTP requests, once the
request is parsed it is handed off to the task threads to actually run the
servlet request.
Stuart
FRANCESCO MARCHIONI wrote:
> Dear Undertow devs,
>
> I'm running some test on the new undertow subsystem: in particular I
'm
> trying to control the maximum threads available for serving http
> requests (old Tomcat maxThread parameter).
>
> Is it correct to define the max threads allowed via the io-threads
> attribute of the worker element as follows ?
>
> <subsystem xmlns="urn:jboss:domain:undertow:1.0">
>
> <http-listener name="default" socket-binding="http"
worker="custom"
/>
>
> . . .
>
> </subsystem>
>
> <subsystem xmlns="urn:jboss:domain:io:1.0">
>
> <worker name="custom" io-threads="100" />
>
> <buffer-pool name="default" buffer-size="16384"
> buffers-per-slice="128"/>
>
> </subsystem>
>
> Or should rather use the task-max-threads attribute instead ?
>
> Thanks!
>
> Francesco
>
> _______________________________________________
> undertow-dev mailing list
> undertow-dev(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/undertow-dev
_______________________________________________
undertow-dev mailing list
undertow-dev(a)lists.jboss.org
https://lists.jboss.org/mailman/listinfo/undertow-dev
5:18 a.m.
Thanks for the update @Tomaz @Stuart
Yes I managed to run a few JMeter test beds showing up that the task-max-threads has
control on the max number of concurrent requests That's what I was looking for.
Out of curiosity (sorry for raising some noise), what's the motivation for dropping
tomcat 7 fork and choosing undertow?
Thanks & Best regards
Francesco
-----Original Message-----
From: Tomaz Cerar [mailto:tcerar@redhat.com]
Sent: giovedì 13 giugno 2013 10:53
To: 'Stuart Douglas'; FRANCESCO MARCHIONI
Cc: undertow-dev(a)lists.jboss.org
Subject: RE: [undertow-dev] Undertow worker threads
Afaik we have replaced task-max-threads for io-threads as per dissucstion I had with
David.
Probably David can tell bit more.
Francsco, what are you after? Limiting the number of concurrent requests or just threads
processing requests?
As in undertow few threads can process lots of requests concurrently we do not have 1:1
mapping on thread:request as jbossweb/tomcat did.
--
tomaz
-----Original Message-----
From: undertow-dev-bounces(a)lists.jboss.org [mailto:undertow-dev-
bounces(a)lists.jboss.org] On Behalf Of Stuart Douglas
Sent: Thursday, June 13, 2013 1:30 AM
To: FRANCESCO MARCHIONI
Cc: undertow-dev(a)lists.jboss.org
Subject: Re: [undertow-dev] Undertow worker threads
You are after task-max-threads (we probably need a better name for this).
io-threads are just used for accepting and parsing HTTP requests, once
the request is parsed it is handed off to the task threads to actually
run the servlet request.
Stuart
FRANCESCO MARCHIONI wrote:
> Dear Undertow devs,
>
> I'm running some test on the new undertow subsystem: in particular I
'm
> trying to control the maximum threads available for serving http
> requests (old Tomcat maxThread parameter).
>
> Is it correct to define the max threads allowed via the io-threads
> attribute of the worker element as follows ?
>
> <subsystem xmlns="urn:jboss:domain:undertow:1.0">
>
> <http-listener name="default" socket-binding="http"
worker="custom"
/>
>
> . . .
>
> </subsystem>
>
> <subsystem xmlns="urn:jboss:domain:io:1.0">
>
> <worker name="custom" io-threads="100" />
>
> <buffer-pool name="default" buffer-size="16384"
> buffers-per-slice="128"/>
>
> </subsystem>
>
> Or should rather use the task-max-threads attribute instead ?
>
> Thanks!
>
> Francesco
>
> _______________________________________________
> undertow-dev mailing list
> undertow-dev(a)lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/undertow-dev
_______________________________________________
undertow-dev mailing list
undertow-dev(a)lists.jboss.org
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3 comments
3 participants
participants (3)
-
FRANCESCO MARCHIONI -
Stuart Douglas -
Tomaz Cerar