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From Mohan2005 <mo...@roomsnet.com>
Subject Re: Mod_jk load balacing algorithm
Date Tue, 08 Aug 2006 04:06:20 GMT

Hello

Thaks. We will enable loggin to find this, but since its a production setup
will it affect performance ?

This is a set of stats. Apache was running for 3 weeks. (Hope this is clear)
mod_jk 1.2.18 with Busyness and sticky sessions (all nodes are identicical).


Name       Type  jvmRoute  Host               Addr               Stat D F M
V Acc     Err Wr   Rd   Busy Max RR Cd
server1_1  ajp13 server1_1 172.16.1.138:8009  172.16.1.138:8009  OK   0 1 1
1 181792  22  152M 16G  1    39     WwwGroupServer1Com
server2_1  ajp13 server2_1 172.16.1.139:8009  172.16.1.139:8009  OK   0 1 1
3 218096  37  185M 18G  3    130    WwwGroupServer2Com
server3_1  ajp13 server3_1 172.16.1.135:8009  172.16.1.135:8009  OK   0 1 1
1 32348   1   29M  2.8G 0    36     WwwGroupServer3Com
server4_1  ajp13 server4_1 172.16.1.140:8009  172.16.1.140:8009  OK   0 1 1
1 192940  23  164M 16G  0    27     WwwGroupServer4Com
server2_2  ajp13 server2_2 172.16.1.139:18009 172.16.1.139:18009 OK   0 1 1
1 209807  33  178M 17G  1    38     WwwGroupServer2Com
server3_2  ajp13 server3_2 172.16.1.135:18009 172.16.1.135:18009 OK   0 1 1
1 208006  67  174M 18G  1    60     WwwGroupServer3Com
server1_2  ajp13 server1_2 172.16.1.138:18009 172.16.1.138:18009 OK   0 1 1
1 148020  17  126M 13G  1    32     WwwGroupServer1Com
server4_2  ajp13 server4_2 172.16.1.140:18009 172.16.1.140:18009 OK   0 1 1
2 203780  16  174M 17G  2    43     WwwGroupServer4Com
server1_3  ajp13 server1_3 172.16.1.138:38009 172.16.1.138:38009 OK   0 1 1
0 178381  11  148M 15G  0    42     WwwGroupServer1Com
server2_3  ajp13 server2_3 172.16.1.139:38009 172.16.1.139:38009 OK   0 1 1
0 196352  11  162M 16G  0    23     WwwGroupServer2Com
server3_3  ajp13 server3_3 172.16.1.135:38009 172.16.1.135:38009 OK   0 1 1
5 184697  10  154M 16G  5    65     WwwGroupServer3Com
server4_3  ajp13 server4_3 172.16.1.140:38009 172.16.1.140:38009 OK   0 1 1
0 175744  34  145M 14G  0    28     WwwGroupServer4Com

In workers.properties...
worker.loadbalancer.balance_workers=server1_1, server2_1, server3_1,
server4_1, server2_2, server3_2, server1_2, server4_2, server1_3, server2_3,
server3_3, server4_3

worker.loadbalancer.lock=P
worker.loadbalancer.method=B
worker.loadbalancer.local_worker_only=1






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