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Posted to user@struts.apache.org by guo yingshou <gu...@yahoo.com.cn> on 2003/07/18 04:07:42 UTC
question on heavy load website design using struts
Hi,
I am sure that someone here must have worked on a
large website with heavy load using struts and I
wonder if you'll be kindly enough to give me some
suggestions in this occasion.
I am using tomcat+jboss as application server.I have
setup several tomcat_jboss instances in a cluster
environment and of course I use struts in my
application.HttpSession created in one instance will
get replicated across all members in the cluster.It's
just what I want.The problem is how should I connect
the app servers with the backend db server(s)? If I
use only one db instance,all app server can connect to
it without any problem,but here lies the bottleneck.I
want to use several db instances(preferrably
mysql).How can I do that?
Thanks in advance!
Guo Yingshou
_________________________________________________________
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Re: question on heavy load website design using struts
Posted by Vic Cekvencih <vi...@baseBeans.com>.
Nicolas De Loof wrote:
> Thanks Vic.
>
> We allready used PostgreSQL on a "non strategic" project, but our customers aren't open-source addicts (until they need
> to reduce costs !)
>
> Nico.
>
Yup!
:-)
Open source rant:
Some people just do not care about profitably until they are laying
people of, because their competitors are more profitable.
It's like being on a project where people have a short deadline:
-we do not have time to unit test
-we do not have time to do it right and use O.O.
OK, I understand.
They all will eventually, just plot the curve until they are all open
source: ( a bit overused, but I love this chart)
http://news.netcraft.com/archives/web_server_survey.html
Saving money is good.
.V
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Re: question on heavy load website design using struts
Posted by Nicolas De Loof <ni...@cgey.com>.
Thanks Vic.
We allready used PostgreSQL on a "non strategic" project, but our customers aren't open-source addicts (until they need
to reduce costs !)
Nico.
> FYI, one site I worked on P&T (performance and tuning) we improved
> performance by removing replication.
> Also look at postgresql.org, it is much like Oracle.
>
> (self-promo: keep me in mind for engineering larger sites, I have some
> useful experience with good ROI)
>
> Nicolas De Loof wrote:
>
> > No problem, I'll be patient. I just want my boss to stop saying "Oracle replication" each time we get
load-ballancing
> > needs.
> >
> > Nico.
> >
> >
> >
> >
> >>Sure! Only a little bit patience,please.It may take me
> >>one or two weeks to go over the test.I used to meet a
> >>problem on container managed security using jboss
> >>cluster.That is,jboss'clusterring feature works fine
> >>except when I use declarative security model to
> >>protect my page,the authenticated principal will not
> >>get replicated across the members in the cluster.At
> >>this time,I want to find a work around to that too.
> >>
> >>Again,thaks for your info.
> >>
> >>Guo Yingshou
> >> --- Nicolas De Loof <ni...@cgey.com>
> >>的正文：> Please could you send me feedback if you
> >>experiment
> >>
> >>>this jdbc-cluster-driver ?
> >>>
> >>>Nico
> >>>
> >>>
> >>>
> >>>
> >>>>Nico,
> >>>>
> >>>>Great! That is exactly what I'm looking for.Maybe
> >>>
> >>>I'll
> >>>
> >>>>have some hard time to setup a testing environment
> >>>
> >>>and
> >>>
> >>>>write some code to see what will happen.
> >>>>
> >>>>Thanks a lot!
> >>>>
> >>>>Guo Yingshou
> >>>>
> >>>> --- Nicolas De Loof <ni...@cgey.com>
> >>>>的正文：> You could look at this :
> >>>>
> >>>>>http://c-jdbc.objectweb.org/
> >>>>>
> >>>>>this intermediate JDBC driver allow you to
> >>>
> >>>cluster
> >>>
> >>>>>databases. Notice I never used it, use it at
> >>>
> >>>your
> >>>
> >>>>>own risk ;-)
> >>>>>
> >>>>>Nico.
> >>>>>
> >>>>>
> >>>>>
> >>>>>>Hi,
> >>>>>>
> >>>>>>I am sure that someone here must have worked
> >>>
> >>>on a
> >>>
> >>>>>>large website with heavy load using struts and
> >>>
> >>>I
> >>>
> >>>>>>wonder if you'll be kindly enough to give me
> >>>
> >>>some
> >>>
> >>>>>>suggestions in this occasion.
> >>>>>>
> >>>>>>I am using tomcat+jboss as application
> >>>
> >>>server.I
> >>>
> >>>>>have
> >>>>>
> >>>>>>setup several tomcat_jboss instances in a
> >>>
> >>>cluster
> >>>
> >>>>>>environment and of course I use struts in my
> >>>>>>application.HttpSession created in one
> >>>
> >>>instance
> >>>
> >>>>>will
> >>>>>
> >>>>>>get replicated across all members in the
> >>>>>
> >>>>>cluster.It's
> >>>>>
> >>>>>>just what I want.The problem is how should I
> >>>>>
> >>>>>connect
> >>>>>
> >>>>>>the app servers with the backend db server(s)?
> >>>
> >>>If
> >>>
> >>>>>I
> >>>>>
> >>>>>>use only one db instance,all app server can
> >>>>>
> >>>>>connect to
> >>>>>
> >>>>>>it without any problem,but here lies the
> >>>>>
> >>>>>bottleneck.I
> >>>>>
> >>>>>>want to use several db instances(preferrably
> >>>>>>mysql).How can I do that?
> >>>>>>
> >>>>>>Thanks in advance!
> >>>>>>
> >>>>>>Guo Yingshou
> >>>>>>
> >>>>>>
> >>>>>
> >>_________________________________________________________
> >>
> >>>>>>Do You Yahoo!?
> >>>>>>国内电邮用户反垃圾调查拉开帷幕
> >>>>>>
> >>>>>
> >>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> >>
> >>>>>>
> >>---------------------------------------------------------------------
> >>
> >>>>>>To unsubscribe, e-mail:
> >>>>>
> >>>>>struts-user-unsubscribe@jakarta.apache.org
> >>>>>
> >>>>>>For additional commands, e-mail:
> >>>>>
> >>>>>struts-user-help@jakarta.apache.org
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>---------------------------------------------------------------------
> >>
> >>>>>To unsubscribe, e-mail:
> >>>>>struts-user-unsubscribe@jakarta.apache.org
> >>>>>For additional commands, e-mail:
> >>>>>struts-user-help@jakarta.apache.org
> >>>>>
> >>>>
> >>>>
> >>_________________________________________________________
> >>
> >>>>Do You Yahoo!?
> >>>>国内电邮用户反垃圾调查拉开帷幕
> >>>>
> >>>
> >>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> >>
> >>>>
> >>---------------------------------------------------------------------
> >>
> >>>>To unsubscribe, e-mail:
> >>>
> >>>struts-user-unsubscribe@jakarta.apache.org
> >>>
> >>>>For additional commands, e-mail:
> >>>
> >>>struts-user-help@jakarta.apache.org
> >>>
> >>>
> >>>
> >>
> >>---------------------------------------------------------------------
> >>
> >>>To unsubscribe, e-mail:
> >>>struts-user-unsubscribe@jakarta.apache.org
> >>>For additional commands, e-mail:
> >>>struts-user-help@jakarta.apache.org
> >>>
> >>
> >>_________________________________________________________
> >>Do You Yahoo!?
> >>国内电邮用户反垃圾调查拉开帷幕
> >>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> >>
> >>---------------------------------------------------------------------
> >>To unsubscribe, e-mail: struts-user-unsubscribe@jakarta.apache.org
> >>For additional commands, e-mail: struts-user-help@jakarta.apache.org
>
> --
> Vic Cekvenich,
> Struts Instructor,
> 1-800-917-JAVA
>
> Advanced <a href ="baseBeans.com">Struts Training</a> and project
> recovery in North East.
> Open Source <a href ="baseBeans.com">Content Management</a> basicPortal
> sofware
> Best practice<a href ="baseBeans.com">Struts Support</a> v.1.1 helper
> ScafflodingXPress
>
>
>
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Re: question on heavy load website design using struts
Posted by Vic Cekvencih <vi...@baseBeans.com>.
FYI, one site I worked on P&T (performance and tuning) we improved
performance by removing replication.
Also look at postgresql.org, it is much like Oracle.
(self-promo: keep me in mind for engineering larger sites, I have some
useful experience with good ROI)
Nicolas De Loof wrote:
> No problem, I'll be patient. I just want my boss to stop saying "Oracle replication" each time we get load-ballancing
> needs.
>
> Nico.
>
>
>
>
>>Sure! Only a little bit patience,please.It may take me
>>one or two weeks to go over the test.I used to meet a
>>problem on container managed security using jboss
>>cluster.That is,jboss'clusterring feature works fine
>>except when I use declarative security model to
>>protect my page,the authenticated principal will not
>>get replicated across the members in the cluster.At
>>this time,I want to find a work around to that too.
>>
>>Again,thaks for your info.
>>
>>Guo Yingshou
>> --- Nicolas De Loof <ni...@cgey.com>
>>的正文：> Please could you send me feedback if you
>>experiment
>>
>>>this jdbc-cluster-driver ?
>>>
>>>Nico
>>>
>>>
>>>
>>>
>>>>Nico,
>>>>
>>>>Great! That is exactly what I'm looking for.Maybe
>>>
>>>I'll
>>>
>>>>have some hard time to setup a testing environment
>>>
>>>and
>>>
>>>>write some code to see what will happen.
>>>>
>>>>Thanks a lot!
>>>>
>>>>Guo Yingshou
>>>>
>>>> --- Nicolas De Loof <ni...@cgey.com>
>>>>的正文：> You could look at this :
>>>>
>>>>>http://c-jdbc.objectweb.org/
>>>>>
>>>>>this intermediate JDBC driver allow you to
>>>
>>>cluster
>>>
>>>>>databases. Notice I never used it, use it at
>>>
>>>your
>>>
>>>>>own risk ;-)
>>>>>
>>>>>Nico.
>>>>>
>>>>>
>>>>>
>>>>>>Hi,
>>>>>>
>>>>>>I am sure that someone here must have worked
>>>
>>>on a
>>>
>>>>>>large website with heavy load using struts and
>>>
>>>I
>>>
>>>>>>wonder if you'll be kindly enough to give me
>>>
>>>some
>>>
>>>>>>suggestions in this occasion.
>>>>>>
>>>>>>I am using tomcat+jboss as application
>>>
>>>server.I
>>>
>>>>>have
>>>>>
>>>>>>setup several tomcat_jboss instances in a
>>>
>>>cluster
>>>
>>>>>>environment and of course I use struts in my
>>>>>>application.HttpSession created in one
>>>
>>>instance
>>>
>>>>>will
>>>>>
>>>>>>get replicated across all members in the
>>>>>
>>>>>cluster.It's
>>>>>
>>>>>>just what I want.The problem is how should I
>>>>>
>>>>>connect
>>>>>
>>>>>>the app servers with the backend db server(s)?
>>>
>>>If
>>>
>>>>>I
>>>>>
>>>>>>use only one db instance,all app server can
>>>>>
>>>>>connect to
>>>>>
>>>>>>it without any problem,but here lies the
>>>>>
>>>>>bottleneck.I
>>>>>
>>>>>>want to use several db instances(preferrably
>>>>>>mysql).How can I do that?
>>>>>>
>>>>>>Thanks in advance!
>>>>>>
>>>>>>Guo Yingshou
>>>>>>
>>>>>>
>>>>>
>>_________________________________________________________
>>
>>>>>>Do You Yahoo!?
>>>>>>国内电邮用户反垃圾调查拉开帷幕
>>>>>>
>>>>>
>>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
>>
>>>>>>
>>---------------------------------------------------------------------
>>
>>>>>>To unsubscribe, e-mail:
>>>>>
>>>>>struts-user-unsubscribe@jakarta.apache.org
>>>>>
>>>>>>For additional commands, e-mail:
>>>>>
>>>>>struts-user-help@jakarta.apache.org
>>>>>
>>>>>
>>>>>
>>>>
>>---------------------------------------------------------------------
>>
>>>>>To unsubscribe, e-mail:
>>>>>struts-user-unsubscribe@jakarta.apache.org
>>>>>For additional commands, e-mail:
>>>>>struts-user-help@jakarta.apache.org
>>>>>
>>>>
>>>>
>>_________________________________________________________
>>
>>>>Do You Yahoo!?
>>>>国内电邮用户反垃圾调查拉开帷幕
>>>>
>>>
>>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
>>
>>>>
>>---------------------------------------------------------------------
>>
>>>>To unsubscribe, e-mail:
>>>
>>>struts-user-unsubscribe@jakarta.apache.org
>>>
>>>>For additional commands, e-mail:
>>>
>>>struts-user-help@jakarta.apache.org
>>>
>>>
>>>
>>
>>---------------------------------------------------------------------
>>
>>>To unsubscribe, e-mail:
>>>struts-user-unsubscribe@jakarta.apache.org
>>>For additional commands, e-mail:
>>>struts-user-help@jakarta.apache.org
>>>
>>
>>_________________________________________________________
>>Do You Yahoo!?
>>国内电邮用户反垃圾调查拉开帷幕
>>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
>>
>>---------------------------------------------------------------------
>>To unsubscribe, e-mail: struts-user-unsubscribe@jakarta.apache.org
>>For additional commands, e-mail: struts-user-help@jakarta.apache.org
--
Vic Cekvenich,
Struts Instructor,
1-800-917-JAVA
Advanced <a href ="baseBeans.com">Struts Training</a> and project
recovery in North East.
Open Source <a href ="baseBeans.com">Content Management</a> basicPortal
sofware
Best practice<a href ="baseBeans.com">Struts Support</a> v.1.1 helper
ScafflodingXPress
---------------------------------------------------------------------
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RE: question on heavy load website design using struts
Posted by Mohd Amin Mohd Din <am...@nc.com.my>.
You could try Oracle Real Application Clusters or Dataguard
-----Original Message-----
From: Nicolas De Loof [mailto:nicolas.deloof@cgey.com]
Sent: Friday, July 18, 2003 5:16 PM
To: Struts Users Mailing List
Subject: Re: question on heavy load website design using struts
No problem, I'll be patient. I just want my boss to stop saying "Oracle
replication" each time we get load-ballancing
needs.
Nico.
> Sure! Only a little bit patience,please.It may take me
> one or two weeks to go over the test.I used to meet a
> problem on container managed security using jboss
> cluster.That is,jboss'clusterring feature works fine
> except when I use declarative security model to
> protect my page,the authenticated principal will not
> get replicated across the members in the cluster.At
> this time,I want to find a work around to that too.
>
> Again,thaks for your info.
>
> Guo Yingshou
> --- Nicolas De Loof <ni...@cgey.com>
> 的正文：> Please could you send me feedback if you
> experiment
> > this jdbc-cluster-driver ?
> >
> > Nico
> >
> >
> >
> > > Nico,
> > >
> > > Great! That is exactly what I'm looking for.Maybe
> > I'll
> > > have some hard time to setup a testing environment
> > and
> > > write some code to see what will happen.
> > >
> > > Thanks a lot!
> > >
> > > Guo Yingshou
> > >
> > > --- Nicolas De Loof <ni...@cgey.com>
> > > 的正文：> You could look at this :
> > > >
> > > > http://c-jdbc.objectweb.org/
> > > >
> > > > this intermediate JDBC driver allow you to
> > cluster
> > > > databases. Notice I never used it, use it at
> > your
> > > > own risk ;-)
> > > >
> > > > Nico.
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > I am sure that someone here must have worked
> > on a
> > > > > large website with heavy load using struts and
> > I
> > > > > wonder if you'll be kindly enough to give me
> > some
> > > > > suggestions in this occasion.
> > > > >
> > > > > I am using tomcat+jboss as application
> > server.I
> > > > have
> > > > > setup several tomcat_jboss instances in a
> > cluster
> > > > > environment and of course I use struts in my
> > > > > application.HttpSession created in one
> > instance
> > > > will
> > > > > get replicated across all members in the
> > > > cluster.It's
> > > > > just what I want.The problem is how should I
> > > > connect
> > > > > the app servers with the backend db server(s)?
> > If
> > > > I
> > > > > use only one db instance,all app server can
> > > > connect to
> > > > > it without any problem,but here lies the
> > > > bottleneck.I
> > > > > want to use several db instances(preferrably
> > > > > mysql).How can I do that?
> > > > >
> > > > > Thanks in advance!
> > > > >
> > > > > Guo Yingshou
> > > > >
> > > > >
> > > >
> > >
> >
> _________________________________________________________
> > > > > Do You Yahoo!?
> > > > > 国内电邮用户反垃圾调查拉开帷幕
> > > > >
> > > >
> > >
> >
>
http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laj
i/index.html
> > > > >
> > > > >
> > > >
> > >
> >
> ---------------------------------------------------------------------
> > > > > To unsubscribe, e-mail:
> > > > struts-user-unsubscribe@jakarta.apache.org
> > > > > For additional commands, e-mail:
> > > > struts-user-help@jakarta.apache.org
> > > >
> > > >
> > > >
> > >
> >
> ---------------------------------------------------------------------
> > > > To unsubscribe, e-mail:
> > > > struts-user-unsubscribe@jakarta.apache.org
> > > > For additional commands, e-mail:
> > > > struts-user-help@jakarta.apache.org
> > > >
> > >
> > >
> >
> _________________________________________________________
> > > Do You Yahoo!?
> > > 国内电邮用户反垃圾调查拉开帷幕
> > >
> >
>
http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laj
i/index.html
> > >
> > >
> >
> ---------------------------------------------------------------------
> > > To unsubscribe, e-mail:
> > struts-user-unsubscribe@jakarta.apache.org
> > > For additional commands, e-mail:
> > struts-user-help@jakarta.apache.org
> >
> >
> >
> ---------------------------------------------------------------------
> > To unsubscribe, e-mail:
> > struts-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail:
> > struts-user-help@jakarta.apache.org
> >
>
> _________________________________________________________
> Do You Yahoo!?
> 国内电邮用户反垃圾调查拉开帷幕
>
http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laj
i/index.html
>
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Re: question on heavy load website design using struts
Posted by Nicolas De Loof <ni...@cgey.com>.
No problem, I'll be patient. I just want my boss to stop saying "Oracle replication" each time we get load-ballancing
needs.
Nico.
> Sure! Only a little bit patience,please.It may take me
> one or two weeks to go over the test.I used to meet a
> problem on container managed security using jboss
> cluster.That is,jboss'clusterring feature works fine
> except when I use declarative security model to
> protect my page,the authenticated principal will not
> get replicated across the members in the cluster.At
> this time,I want to find a work around to that too.
>
> Again,thaks for your info.
>
> Guo Yingshou
> --- Nicolas De Loof <ni...@cgey.com>
> 的正文：> Please could you send me feedback if you
> experiment
> > this jdbc-cluster-driver ?
> >
> > Nico
> >
> >
> >
> > > Nico,
> > >
> > > Great! That is exactly what I'm looking for.Maybe
> > I'll
> > > have some hard time to setup a testing environment
> > and
> > > write some code to see what will happen.
> > >
> > > Thanks a lot!
> > >
> > > Guo Yingshou
> > >
> > > --- Nicolas De Loof <ni...@cgey.com>
> > > 的正文：> You could look at this :
> > > >
> > > > http://c-jdbc.objectweb.org/
> > > >
> > > > this intermediate JDBC driver allow you to
> > cluster
> > > > databases. Notice I never used it, use it at
> > your
> > > > own risk ;-)
> > > >
> > > > Nico.
> > > >
> > > >
> > > > > Hi,
> > > > >
> > > > > I am sure that someone here must have worked
> > on a
> > > > > large website with heavy load using struts and
> > I
> > > > > wonder if you'll be kindly enough to give me
> > some
> > > > > suggestions in this occasion.
> > > > >
> > > > > I am using tomcat+jboss as application
> > server.I
> > > > have
> > > > > setup several tomcat_jboss instances in a
> > cluster
> > > > > environment and of course I use struts in my
> > > > > application.HttpSession created in one
> > instance
> > > > will
> > > > > get replicated across all members in the
> > > > cluster.It's
> > > > > just what I want.The problem is how should I
> > > > connect
> > > > > the app servers with the backend db server(s)?
> > If
> > > > I
> > > > > use only one db instance,all app server can
> > > > connect to
> > > > > it without any problem,but here lies the
> > > > bottleneck.I
> > > > > want to use several db instances(preferrably
> > > > > mysql).How can I do that?
> > > > >
> > > > > Thanks in advance!
> > > > >
> > > > > Guo Yingshou
> > > > >
> > > > >
> > > >
> > >
> >
> _________________________________________________________
> > > > > Do You Yahoo!?
> > > > > 国内电邮用户反垃圾调查拉开帷幕
> > > > >
> > > >
> > >
> >
> http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> > > > >
> > > > >
> > > >
> > >
> >
> ---------------------------------------------------------------------
> > > > > To unsubscribe, e-mail:
> > > > struts-user-unsubscribe@jakarta.apache.org
> > > > > For additional commands, e-mail:
> > > > struts-user-help@jakarta.apache.org
> > > >
> > > >
> > > >
> > >
> >
> ---------------------------------------------------------------------
> > > > To unsubscribe, e-mail:
> > > > struts-user-unsubscribe@jakarta.apache.org
> > > > For additional commands, e-mail:
> > > > struts-user-help@jakarta.apache.org
> > > >
> > >
> > >
> >
> _________________________________________________________
> > > Do You Yahoo!?
> > > 国内电邮用户反垃圾调查拉开帷幕
> > >
> >
> http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> > >
> > >
> >
> ---------------------------------------------------------------------
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Re: question on heavy load website design using struts
Posted by guo yingshou <gu...@yahoo.com.cn>.
Sure! Only a little bit patience,please.It may take me
one or two weeks to go over the test.I used to meet a
problem on container managed security using jboss
cluster.That is,jboss'clusterring feature works fine
except when I use declarative security model to
protect my page,the authenticated principal will not
get replicated across the members in the cluster.At
this time,I want to find a work around to that too.
Again,thaks for your info.
Guo Yingshou
--- Nicolas De Loof <ni...@cgey.com>
的正文：> Please could you send me feedback if you
experiment
> this jdbc-cluster-driver ?
>
> Nico
>
>
>
> > Nico,
> >
> > Great! That is exactly what I'm looking for.Maybe
> I'll
> > have some hard time to setup a testing environment
> and
> > write some code to see what will happen.
> >
> > Thanks a lot!
> >
> > Guo Yingshou
> >
> > --- Nicolas De Loof <ni...@cgey.com>
> > 的正文：> You could look at this :
> > >
> > > http://c-jdbc.objectweb.org/
> > >
> > > this intermediate JDBC driver allow you to
> cluster
> > > databases. Notice I never used it, use it at
> your
> > > own risk ;-)
> > >
> > > Nico.
> > >
> > >
> > > > Hi,
> > > >
> > > > I am sure that someone here must have worked
> on a
> > > > large website with heavy load using struts and
> I
> > > > wonder if you'll be kindly enough to give me
> some
> > > > suggestions in this occasion.
> > > >
> > > > I am using tomcat+jboss as application
> server.I
> > > have
> > > > setup several tomcat_jboss instances in a
> cluster
> > > > environment and of course I use struts in my
> > > > application.HttpSession created in one
> instance
> > > will
> > > > get replicated across all members in the
> > > cluster.It's
> > > > just what I want.The problem is how should I
> > > connect
> > > > the app servers with the backend db server(s)?
> If
> > > I
> > > > use only one db instance,all app server can
> > > connect to
> > > > it without any problem,but here lies the
> > > bottleneck.I
> > > > want to use several db instances(preferrably
> > > > mysql).How can I do that?
> > > >
> > > > Thanks in advance!
> > > >
> > > > Guo Yingshou
> > > >
> > > >
> > >
> >
>
_________________________________________________________
> > > > Do You Yahoo!?
> > > > 国内电邮用户反垃圾调查拉开帷幕
> > > >
> > >
> >
>
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> > > >
> > > >
> > >
> >
>
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Re: question on heavy load website design using struts
Posted by Nicolas De Loof <ni...@cgey.com>.
Please could you send me feedback if you experiment this jdbc-cluster-driver ?
Nico
> Nico,
>
> Great! That is exactly what I'm looking for.Maybe I'll
> have some hard time to setup a testing environment and
> write some code to see what will happen.
>
> Thanks a lot!
>
> Guo Yingshou
>
> --- Nicolas De Loof <ni...@cgey.com>
> 的正文：> You could look at this :
> >
> > http://c-jdbc.objectweb.org/
> >
> > this intermediate JDBC driver allow you to cluster
> > databases. Notice I never used it, use it at your
> > own risk ;-)
> >
> > Nico.
> >
> >
> > > Hi,
> > >
> > > I am sure that someone here must have worked on a
> > > large website with heavy load using struts and I
> > > wonder if you'll be kindly enough to give me some
> > > suggestions in this occasion.
> > >
> > > I am using tomcat+jboss as application server.I
> > have
> > > setup several tomcat_jboss instances in a cluster
> > > environment and of course I use struts in my
> > > application.HttpSession created in one instance
> > will
> > > get replicated across all members in the
> > cluster.It's
> > > just what I want.The problem is how should I
> > connect
> > > the app servers with the backend db server(s)? If
> > I
> > > use only one db instance,all app server can
> > connect to
> > > it without any problem,but here lies the
> > bottleneck.I
> > > want to use several db instances(preferrably
> > > mysql).How can I do that?
> > >
> > > Thanks in advance!
> > >
> > > Guo Yingshou
> > >
> > >
> >
> _________________________________________________________
> > > Do You Yahoo!?
> > > 国内电邮用户反垃圾调查拉开帷幕
> > >
> >
> http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> > >
> > >
> >
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Re: question on heavy load website design using struts
Posted by guo yingshou <gu...@yahoo.com.cn>.
Nico,
Great! That is exactly what I'm looking for.Maybe I'll
have some hard time to setup a testing environment and
write some code to see what will happen.
Thanks a lot!
Guo Yingshou
--- Nicolas De Loof <ni...@cgey.com>
的正文：> You could look at this :
>
> http://c-jdbc.objectweb.org/
>
> this intermediate JDBC driver allow you to cluster
> databases. Notice I never used it, use it at your
> own risk ;-)
>
> Nico.
>
>
> > Hi,
> >
> > I am sure that someone here must have worked on a
> > large website with heavy load using struts and I
> > wonder if you'll be kindly enough to give me some
> > suggestions in this occasion.
> >
> > I am using tomcat+jboss as application server.I
> have
> > setup several tomcat_jboss instances in a cluster
> > environment and of course I use struts in my
> > application.HttpSession created in one instance
> will
> > get replicated across all members in the
> cluster.It's
> > just what I want.The problem is how should I
> connect
> > the app servers with the backend db server(s)? If
> I
> > use only one db instance,all app server can
> connect to
> > it without any problem,but here lies the
> bottleneck.I
> > want to use several db instances(preferrably
> > mysql).How can I do that?
> >
> > Thanks in advance!
> >
> > Guo Yingshou
> >
> >
>
_________________________________________________________
> > Do You Yahoo!?
> > 国内电邮用户反垃圾调查拉开帷幕
> >
>
http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
> >
> >
>
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Re: question on heavy load website design using struts
Posted by Nicolas De Loof <ni...@cgey.com>.
You could look at this :
http://c-jdbc.objectweb.org/
this intermediate JDBC driver allow you to cluster databases. Notice I never used it, use it at your own risk ;-)
Nico.
> Hi,
>
> I am sure that someone here must have worked on a
> large website with heavy load using struts and I
> wonder if you'll be kindly enough to give me some
> suggestions in this occasion.
>
> I am using tomcat+jboss as application server.I have
> setup several tomcat_jboss instances in a cluster
> environment and of course I use struts in my
> application.HttpSession created in one instance will
> get replicated across all members in the cluster.It's
> just what I want.The problem is how should I connect
> the app servers with the backend db server(s)? If I
> use only one db instance,all app server can connect to
> it without any problem,but here lies the bottleneck.I
> want to use several db instances(preferrably
> mysql).How can I do that?
>
> Thanks in advance!
>
> Guo Yingshou
>
> _________________________________________________________
> Do You Yahoo!?
> 国内电邮用户反垃圾调查拉开帷幕
> http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.tech.yahoo.com/zhuanti/laji/index.html
>
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