One more question. I keep hearing about QoS for volumes as a feature.
How will we guarantee service quality for all the bricks from a single
server? Even if we weren't doing QoS, we make sure that operations on
brick doesn't DOS the others. We already keep hearing from users about
self-healing causing problems for the clients. Self-healing, rebalance
running simultaneously on multiple volumes in a multiplexed bricks
environment would most likely be disastrous.

On Tue, Jun 16, 2015 at 11:01 PM, Jeff Darcy <[email protected]> wrote:
>> Reading through that, it sounds like a well thought out approach.
>
> Thanks!
>
>> Did you consider a super-lightweight version first, which only has
>> a process listening on one port for multiplexing traffic, and then
>> passes the traffic to individual processes running on the server?
>>
>>   eg similar to how common IPv4 NAT does, but for gluster traffic
>
> Yes, I thought about it.  Depending on how it's done, it could
> alleviate the too-many-ports problem, but it doesn't really address
> the uncontrolled contention for CPU, memory, and so on.  In a way
> it would make that worse, as it's one more process to keep
> switching in and out among the others.  Sure would have been nice,
> though.
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