if you want round robin, then set lbfactor to 1 for all your workers
Filip
Dean Lonsdale wrote:
Hi all
We are currently trying to setup load balancing in our environment and as
after testing the Load Balancing it would appear to be working. I have run
up two applications sessions, one of which went to the 'A' tomcat worker
and the other to the 'C' tomcat worker. The status page suggests that the
workers are load balanced, although as yet the 'B' worker has only ever
appeared with a status of 'N/A' (Unknown). Other workers have appeared
with a status of 'OK'.
I suspect that this load balancer is not using a 'Round Robin' algorithm.
I also cannot see any way of setting this as a Load Balancer method. Below
is our workers.properties file, could anyone please advise why a round
robin approach may not be working pls ?
thanks in advance
# ==============================================================
# JK configuration directives
# ==============================================================
ps=/
# ==============================================================
# list the workers required as entry points from apache by name
# ==============================================================
worker.list= ajp13, loadbalancer , status
# ==============================================================
# Single worker to handle all non load balanced requests
# (Esri IMS)
# ==============================================================
worker.ajp13.port=8009
worker.ajp13.host=localhost
worker.ajp13.type=ajp13
# ==============================================================
# Balanced set of workers to handle all load balanced requests
# (IMF Easimap)
# ==============================================================
# ---------------------------
# 1st Balanced worker Tomcat1
# ---------------------------
worker.tomcat1.port=8109
worker.tomcat1.host=localhost
worker.tomcat1.type=ajp13
worker.tomcat1.socket_keepalive=1
worker.tomcat1.socket_timeout=600
worker.tomcat1.lbfactor=100
worker.tomcat1.route=tomcat5_A
worker.tomcat1.connection_pool_timeout=300
# ---------------------------
# 2nd Balanced worker Tomcat2
# ---------------------------
worker.tomcat2.port=8209
worker.tomcat2.host=localhost
worker.tomcat2.type=ajp13
worker.tomcat2.socket_keepalive=1
worker.tomcat2.socket_timeout=600
worker.tomcat2.lbfactor=100
worker.tomcat2.route=tomcat5_B
worker.tomcat2.connection_pool_timeout=300
# ---------------------------
# 3rd Balanced worker Tomcat3
# ---------------------------
worker.tomcat3.port=8309
worker.tomcat3.host=localhost
worker.tomcat3.type=ajp13
worker.tomcat3.socket_keepalive=1
worker.tomcat3.socket_timeout=600
worker.tomcat3.lbfactor=100
worker.tomcat3.route=tomcat5_C
worker.tomcat3.connection_pool_timeout=300
#--------------------------
# Tomcat balancer
#--------------------------
worker.loadbalancer.type=lb
worker.loadbalancer.balanced_workers=tomcat1, tomcat2, tomcat3
# ==============================================================
# Tomcat status worker - gives status information on connected
# instances
# ==============================================================
worker.status.type=status
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