On 3/7/07, Andrew Miehs <[EMAIL PROTECTED]> wrote:
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This will work if you are only using 1 Apache HTTPD server
Are you referring to the following ?
Two httpd servers with mod_jk pointing to the same two tomcat instances.
httpdA and mod_jkA have a reference to TomcatA and TomcatB
httpdB and mod_jkB have a reference to TomcatA and TomcatB
What would be the complications in such a scenario ?
I can think of situation where mod_jkA does not know of mod_jkB's
status and vice-versa.
In such a case, let's assume that TomcatA is down and that mod_jkB
learns of this. And that mod_jk A has not yet contacted TomcatA.
For long running requests, it would definitely be a problem to learn
of TomcatA being unable to serve requests quite some time after
sending a request to it.
If the processing times on tomcat are low, would it be acceptable for
mod_jkA to learn of the TomcatA instance being down, updating it's
internal list with this info, and then redirecting the request to
tomcatB.
This is all that I could think of. If there's something else that we
should be knowing, please do write back.
Thanks in advance.
-- Sriram
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