Martin Spinassi wrote:
On Tue, 2008-09-16 at 08:56 -0700, Hassan Schroeder wrote:
On Tue, Sep 16, 2008 at 8:17 AM, Martin Spinassi
<[EMAIL PROTECTED]> wrote:
Why not have your upload servlet invoke rsync when a new file has
been stored?
Can you give me some more details or where to get some more info?
Runtime.exec("/usr/bin/rsync") -- though you may want to instead
invoke a script file containing the appropriate rsync arguments.
This works fine. I've even used rsync's "dry-run" mode to create a list
of files that differed between two systems (e.g. staging and production)
to generate a form page and allow the user to pick which ones to sync.
HTH,
Thanks Hassan!
I'll talk to developers to give it a try at our test environment.
The question I've been holding back since your initial post, is why
exactly you do want to load-balance similar requests to 2 Tomcats ?
Just an idea :
If it is because you have a) "image stuff" and b) "non-image stuff", and
they each represent about 50% of the load, then maybe you do not really
want to balance (with the problems of sharing and/or duplicating the
images), but you could just use a front-end to split the image stuff and
send it to Tomcat-1, and the non-image stuff and send it to Tomcat-2.
(Apache + mod_rewrite + mod_proxy).
This way, only Tomcat-1 would need to handle the images (up and down)
and it would always be up-to-date.
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