Hi
Tomcat/tomee session replication; memcached and custom session manager
(hazelcast) solutions are different.
Typically in some of them you accept SPoF, not in others. The perf are not
the same too. Finally guarantees (synchronous or not persistence) can be
different too.
Mark info were
Ok Romain. Im not sure if is tomee issue of msm issue, but i will send you
a mail with the info to the tomee mailing list.
2013/10/20 Romain Manni-Bucau rmannibu...@gmail.com
Hi
Tomcat/tomee session replication; memcached and custom session manager
(hazelcast) solutions are different.
Hello! I am also very interested in having more i.e. docs, examples and
stuff for clustering across the tomee stack. The discussion came up on a
jira some time ago and after that I asked Thomas to write a new post about
it (First part was great!).
For example this is something that sounds really
Hey,
JFYI:
MyFaces+OWB on Tomcat with MSM is working fine.
Don't know about TomEE.
Regards,
Thomas
2013/10/20 Karl Kildén karl.kil...@gmail.com
Hello! I am also very interested in having more i.e. docs, examples and
stuff for clustering across the tomee stack. The discussion came up on a
@thomas: same on tomee + tomee has another integration for it, optimized
for tomcat
Le 20 oct. 2013 11:35, Thomas Andraschko andraschko.tho...@gmail.com a
écrit :
Hey,
JFYI:
MyFaces+OWB on Tomcat with MSM is working fine.
Don't know about TomEE.
Regards,
Thomas
2013/10/20 Karl Kildén
@romain
do you have any article about it? Just for my interesst.
What especially is optimized for tomcat?
I may use TomEE in the future - if our customers allow this.
2013/10/20 Romain Manni-Bucau rmannibu...@gmail.com
@thomas: same on tomee + tomee has another integration for it, optimized
smiling big... while I wrote OP (last night, my time), I did find Thomas's
long discussion[1] with memcached-session-manager's committer/developer
(Martin). and I remember Thomas said that Martin (the mail list) is 'very
helpful', I think Thomas said that on primefaces forum.
Romain, that
also, i'm still wondering about how database is replicated while clustering
the app.
On Sun, Oct 20, 2013 at 5:34 AM, Thomas Andraschko
andraschko.tho...@gmail.com wrote:
JFYI:
MyFaces+OWB on Tomcat with MSM is working fine.
romain, i have recognized and (gmail) star'red the mail list topics related
to tomee clustering. have not tried yet, but i don't see (any) mention of
how database is replicated while clustering tomee.
On Sun, Oct 20, 2013 at 2:11 AM, Romain Manni-Bucau
rmannibu...@gmail.comwrote:
PS: if tomee
interesting response, Jose', thanks!
for some time, I thought that it might be best to have separate server
(tomee + @EJB/DTO's + tomcat's jdbc + database) which is/becomes the
database tier. I guess I need to learn how to do/make remote calls to EJB
server from JSF web layer like you are doing.
On Sun, Oct 20, 2013 at 7:07 AM, Howard W. Smith, Jr.
smithh032...@gmail.com wrote:
hmmm, avoid database replication.
honestly, I think HA-JDBC[1] (clustering the database) is all I really
need, because my app is quite fast, and only bottleneck is database layer.
I have seen David Blevins or
DB replication basically works with the transaction log (IBM DB/2 terminology,
in Oracle it's called transfer tables). Each update/insert/delete statement
gets written into a file and you can pick this file up from another node. This
secondary node then does exactly the same like the first
Try to avoid any remoting. Regardless whether remote EJB or even worse SOAP.
The power it takes to transfer all your state to a different node is usually
more than it takes to render your JSF pages. If you have performance issues
then rather scale-out by adding another node and have a haproxy
interesting response, (and thanks) Mark!
glad you feel that way about clustering (expensive and not worth the
hassle), and scaling out the database for expensive queries/searches is
definitely what I want, because I really think the tomee+ stack is
performing very very well on my fast hardware.
With Caching I meant stuff like all the things which do not change often.
There is a big difference between 'almost static' data and between 'living
data'.
E.g. the User data can surely be cached for 30 minutes. How often do you add or
change a new user in your system?
Same for e.g. an amazon
On Sun, Oct 20, 2013 at 8:17 AM, Mark Struberg strub...@yahoo.de wrote:
This can also be very helpful to 'scale out' in case you need performance:
All write stuff is only performed on the master node, but expensive
queries/searches might be performed on the n replication nodes. Of course
wow, good point. I don't ever create new users in app. currently, the app
is only 'for-office-use' only, but some day, i'm hoping the app will serve
the customers of the business (and endusers have already mentioned
some/different requirements where customers can login and do some stuff in
the
just remembered-and-revised 2nd question, below...
On Sun, Oct 20, 2013 at 8:35 AM, Howard W. Smith, Jr.
smithh032...@gmail.com wrote:
On Sun, Oct 20, 2013 at 8:17 AM, Mark Struberg strub...@yahoo.de wrote:
This can also be very helpful to 'scale out' in case you need performance:
All
By the way im not using remote calls. All my apps are in the same ear with
this i can inject my ejb local interface for calling methods in ejb.
El 20/10/2013 07:49, Howard W. Smith, Jr. smithh032...@gmail.com
escribió:
just remembered-and-revised 2nd question, below...
On Sun, Oct 20, 2013 at
Hmmm, i thought you said that you have EAR on one server and database on
separate server. are you running 2 tomee on same server; one tomee = EAR,
another tomee = database?
On Sun, Oct 20, 2013 at 11:52 AM, José Luis Cetina maxtorz...@gmail.comwrote:
By the way im not using remote calls. All
Ear with all my apps in each server (2 server each with their own ear) then
each server insert/read in another unique db server.
El 20/10/2013 16:09, Howard W. Smith, Jr. smithh032...@gmail.com
escribió:
Hmmm, i thought you said that you have EAR on one server and database on
separate server.
so, db server is on a separate machine/server on the network, and each EAR
is referencing the (one) db server via IP address?
also, do you have an embedded db server (running inside of tomee and using
tomcat jdbc pooling) or network db server/engine?
On Sun, Oct 20, 2013 at 5:32 PM, José Luis
Ich bin seit 21.10.2013 nicht im Büro. Ich kehre zurück am 22.10.2013.
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Hr. Holzlechner (eMail.: holzlech...@racon-linz.at - DW: 8918).
Für Auswertungen Elbanet: Hr. Markus Nopp (eMail.: n...@racon-linz.at)
Sowie für
El 20/10/2013 19:34, Howard W. Smith, Jr. smithh032...@gmail.com
escribió:
so, db server is on a separate machine/server on the network, and each EAR
is referencing the (one) db server via IP address?
Yes 2 tomee instances each in separete server point to a third server that
only serve as db
interesting. thanks Jose'
On Sun, Oct 20, 2013 at 9:03 PM, José Luis Cetina maxtorz...@gmail.comwrote:
El 20/10/2013 19:34, Howard W. Smith, Jr. smithh032...@gmail.com
escribió:
so, db server is on a separate machine/server on the network, and each
EAR
is referencing the (one) db
how many concurrent users is your app servingnormally or at peak times?
earlier, i think you mentioned response time is quite fast. did you throw
fast/high-performance hardware at db server, so db server responds fasts to
queries/updates?
do you have any expensive queries or updates...that
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