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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 Host caribou
HostName 2a01:e0a:c:a720::23 HostName 2a01:e0a:c:a720::23
LocalForward 14646 127.0.0.1:4646 LocalForward 14646 127.0.0.1:4646
LocalForward 8501 127.0.0.1:8501 LocalForward 8501 127.0.0.1:8501
LocalForward 1389 bottin.service.staging.consul:389 LocalForward 1389 bottin.service.staging.consul:389
``` ```
Then, in a separate window, launch `./tlsproxy <cluster_name>`: this will 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 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. 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 ### Launching services
Stuff should be started in this order: Stuff should be started in this order: