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All,

At $work, we use mod_jk for proxying and I'd like to move to
mod_proxy_ajp with an eye toward moving to mod_proxy_http eventually.

We use the JK_LB_ACTIVATION state to perform load-balanced
node-draining[1] for maintenance and I'm trying to find out how to get
mod_proxy to give me its current status.

I don't see anything in the documentation for mod_proxy_balancer or
mod_proxy_ajp.

- From the balancer-manager, I can see that there are several items of
status metadata that might be useful:

- - worker "draining mode"
- - worker "disabled" state
- - worker "hot standby" state
- - worker "stopped" state

Each worker has a "status" value, which can be any of D/S/I/R/H/E/N
but it also looks like each of those can be set independently. So the
worker can be in "hot standby" + "error" states. Hmm.

Is that state available in an environment variable I can forward-over
to the origin node?

- -chris
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