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document scheduler config

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Alex 2022-12-23 00:24:17 +01:00
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doc/architecture.md
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@ -100,10 +100,10 @@ You can for instance use an entry in your `~/.ssh/config` that looks like this:
```
Host caribou
HostName 2a01:e0a:c:a720::23
LocalForward 14646 127.0.0.1:4646
LocalForward 8501 127.0.0.1:8501
LocalForward 1389 bottin.service.staging.consul:389
HostName 2a01:e0a:c:a720::23
LocalForward 14646 127.0.0.1:4646
LocalForward 8501 127.0.0.1:8501
LocalForward 1389 bottin.service.staging.consul:389
```
Then, in a separate window, launch `./tlsproxy <cluster_name>`: this will
@ -112,6 +112,35 @@ Nomad and Consul on the regular, unencrypted URLs: `http://localhost:4646` for
Nomad and `http://localhost:8500` for Consul. Keep this terminal window for as
long as you need to access Nomad and Consul on the cluster.
### Setting scheduler config
Some configuration options have to be tweaked in the orchestrator. Use `nomad orchestrator scheduler set-config` to obtain the following result:
```bash
$ nomad operator scheduler get-config --json
{
"KnownLeader": true,
"LastContact": 0,
"LastIndex": 0,
"NextToken": "",
"RequestTime": 0,
"SchedulerConfig": {
"CreateIndex": 5,
"MemoryOversubscriptionEnabled": true, # << THIS
"ModifyIndex": 399239,
"PauseEvalBroker": false,
"PreemptionConfig": {
"BatchSchedulerEnabled": true, # << THIS
"ServiceSchedulerEnabled": true, # << THIS
"SysBatchSchedulerEnabled": true # << THIS
"SystemSchedulerEnabled": true # << THIS
},
"RejectJobRegistration": false,
"SchedulerAlgorithm": "binpack"
}
}
```
### Launching services
Stuff should be started in this order: