Monitoring resource utilization in WLS 8.1

Dear All,
We have an application being developed WLS 8.1. We intend to opt for an external HTTP load balancer to load balance about 8 instances of the WLS instances we plan to deploy in production on 8 different linux servers (Itanium based). I am looking at various ways of monitoring the resource usage on each of the servers where I would host 8 managed WLS instances. I am ok to sample a WLS instance on a regular basis (may be once an hr or less) and then compute the average values per day. This would help in bottleneck analysis as well as capacity planning. I am looking at the following parameters to measure:
1) Number of http request/sec
2) Number of threads in use (in each WLS process)
3) Payload size (including HTTP header contents, size of payload sent with each request to my WLS instance)
4) Disk space utilization
5) Heap usage for admin or managed or both(Used/avail/total)
6) CPU util (WLS process)
7) HTTP connection wait time
8) Http response by status code (200, 300, 400, 500 series of RFC defined standard HTTP status codes)
9) Number of JMS sessions open by a client
10) Number of DB connection (connection pool/data source defined in WLS)
11) Number of concurrent requests to a WLS instance
12) Response time per request
Is there any consolidated document or best practices proposed by BEA or any other party that explains how this can be achieved with WLS? Can you pls share with me?
Also, will MBean interface help me in all of my above requirements?
Thanks in advance,
Giri

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