Re: Mod_jk load balacing algorithm

2006-08-08 Thread Rainer Jung
Mohan2005 wrote: On the 'P' option which was recommended by Mladen Turk some time ago when we had issues (share memory locking) with a older version of mod_jk ( <1.2.15), we have left it as it is. There definitely were issues concerning optimistic locking around 1.2.15, but we expect them to b

Re: Mod_jk load balacing algorithm

2006-08-08 Thread Mohan2005
Hello: Thanks for those explainations. We will have to look further on the behavior of that server3_1 node. On the 'P' option which was recommended by Mladen Turk some time ago when we had issues (share memory locking) with a older version of mod_jk ( <1.2.15), we have left it as it is. But if

Re: Mod_jk load balacing algorithm

2006-08-08 Thread Rainer Jung
Hi, Mohan2005 schrieb: > Hello > > Thaks. We will enable loggin to find this, but since its a production setup > will it affect performance ? The numbers suggest, that you've got 210.000 * 12(instances) / 21 (days) = 120.000 requests/day So depending on the time distribution, this should boild

Re: Mod_jk load balacing algorithm

2006-08-07 Thread Mohan2005
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 Ho

Re: Mod_jk load balacing algorithm

2006-08-07 Thread Rainer Jung
Hi, Mohan Wickramasinghe schrieb: > Hello > > We are using the "new" Busyness method with 1.2.18 > We have also using 'sticky sessions'. > > Clarification on > "> As soon as there will be real load, behaviour will differ." > > We have 9 nodes on 3 identitical servers with identical settings, lb

Re: Mod_jk load balacing algorithm

2006-08-07 Thread Mohan Wickramasinghe
Hello We are using the "new" Busyness method with 1.2.18 We have also using 'sticky sessions'. Clarification on "> As soon as there will be real load, behaviour will differ." We have 9 nodes on 3 identitical servers with identical settings, lb factor equal on all nodes, but we see one node which

RE: Mod_jk load balacing algorithm

2006-08-07 Thread Sharma, Siddharth
Subject: Re: Mod_jk load balacing algorithm mod_jk neither supports round-robin, nor random load-balancing. Currently you can choose between three algorithms: method=B (busyness): choose the worker with the lowwest number of requests currently in processing. method=R (requests): choose the worker

Re: Mod_jk load balacing algorithm

2006-08-07 Thread Rainer Jung
mod_jk neither supports round-robin, nor random load-balancing. Currently you can choose between three algorithms: method=B (busyness): choose the worker with the lowwest number of requests currently in processing. method=R (requests): choose the worker that did the lowest number of requests