I have what seems to be a unique problem. I have trawled through all the mailing lists but could not find a response.
My question is: Is it possible to setup mod_jk to do only failover clustering without load balancing? We have an application that does much internal caching and thus we do not want to do load balancing.
I have read through the documents and have 2 possible solutions:
1) We setup 2 worker like this:
worker.list=router # Define a 'local_worker' worker using ajp13 worker.worker1.port=8009 worker.worker1.host=node1.domain.org worker.worker1.type=ajp13 worker.worker1.lbfactor=100000 # Define another 'local_worker' worker using ajp13 worker.worker2.port=8009 worker.worker2.host=node2.domain.org worker.worker2.type=ajp13 worker.worker2.lbfactor=1 # Define the LB worker worker.router.type=lb worker.router.balanced_workers=worker1,worker2
Notice the high lbfactor for worker 1 and low lbfactor for worker 2. Will this do the job?
2) We setup the same configuration like this:
worker.list=router # Define a 'local_worker' worker using ajp13 worker.worker1.port=8009 worker.worker1.host=node1.domain.org worker.worker1.type=ajp13 worker.worker1.lbfactor=1 worker.worker1.local_worker=1 # Define another 'local_worker' worker using ajp13 worker.worker2.port=8009 worker.worker2.host=node2.domain.org worker.worker2.type=ajp13 worker.worker2.lbfactor=1 worker.worker2.local_worker=0
# Define the LB worker worker.router.type=lb worker.router.balanced_workers=worker1,worker2 worker.router.local_worker_only=0
From what I gather this will mean all new requests will go to worker1 as it is set as local and worker2 isnt. If worker1 is down, as we have set local_worker_only=0, all new requests will get forwarded to worker2.
Is this correct?
Any help would be greatly appreciated.
Daniel Moscufo
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