Re: Clustering without Apache in the front

2014-02-07 Thread Howard W. Smith, Jr.
On Wed, Jan 29, 2014 at 10:24 AM, Christopher Schultz ch...@christopherschultz.net wrote: Now, as Chris pointed out - it would be great to design your app that it saves the intermediate work to a database or some secondary store that can be retrieved upon login again. Think shopping

Re: Clustering without Apache in the front

2014-01-29 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Neven, On 1/28/14, 8:59 PM, Neven Cvetkovic wrote: Ultimately, session stickiness works great to handle load balancing (workload management), but it is not enough for session failover. Correct: session stickiness just avoids the problem of

Re: Clustering without Apache in the front

2014-01-28 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Raquib, On 1/28/14, 10:03 AM, Raquib Hasan wrote: I am creating a tomcat cluster following helps I found online. My question is, do I have to use the Apache(mod_jk) for session replication? No. Is it possible to use F5 load balancer

Re: Clustering without Apache in the front

2014-01-28 Thread Raquib Hasan
Thanks Chris. I am not sure whether the sticky session is needed or not. The session replication also may not be needed. My requirement is very simple. There are 2 back end servers. I want both gets same user communication at the same time, so that, if one server fails the other can continue. I

Re: Clustering without Apache in the front

2014-01-28 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Raquib, On 1/28/14, 12:29 PM, Raquib Hasan wrote: I am not sure whether the sticky session is needed or not. The session replication also may not be needed. My requirement is very simple. If you don't need anything fancy, may I suggest that you

Re: Clustering without Apache in the front

2014-01-28 Thread Raquib Hasan
Chris, Do you mean, if just the sticky session is used, tomcat clustering won't be needed? Thanks, Raquib Hasan On Tue, Jan 28, 2014 at 12:37 PM, Christopher Schultz ch...@christopherschultz.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Raquib, On 1/28/14, 12:29 PM,

Re: Clustering without Apache in the front

2014-01-28 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Raquib, On 1/28/14, 3:18 PM, Raquib Hasan wrote: Do you mean, if just the sticky session is used, tomcat clustering won't be needed? In some ways, yes, it is that simple. In other ways it is not. If you use sticky-sessions without clustering,

Re: Clustering without Apache in the front

2014-01-28 Thread Howard W. Smith, Jr.
On Tue, Jan 28, 2014 at 3:42 PM, Christopher Schultz ch...@christopherschultz.net wrote: Thus I will probably never have to use clustering. Loving your responses on this topic, Chris. I do not want to hijack this thread, but i find this topic interesting, and your responses make it more

Re: Clustering without Apache in the front

2014-01-28 Thread Raquib Hasan
Thanks Chris .. now I got a clear picture. First off I will try without cluster. If that does not work, I will go for clustering. Regards. On Tue, Jan 28, 2014 at 3:42 PM, Christopher Schultz ch...@christopherschultz.net wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Raquib, On

Re: Clustering without Apache in the front

2014-01-28 Thread Neven Cvetkovic
On Tue, Jan 28, 2014 at 3:54 PM, Howard W. Smith, Jr. smithh032...@gmail.com wrote: Thus I will probably never have to use clustering. Loving your responses on this topic, Chris. I do not want to hijack this thread, but i find this topic interesting, and your responses make it more

Re: Clustering without Apache in the front

2014-01-28 Thread Howard W. Smith, Jr.
On Tue, Jan 28, 2014 at 8:59 PM, Neven Cvetkovic neven.cvetko...@gmail.comwrote: On Tue, Jan 28, 2014 at 3:54 PM, Howard W. Smith, Jr. smithh032...@gmail.com wrote: Thus I will probably never have to use clustering. Loving your responses on this topic, Chris. I do not want to hijack