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Update Ansible scheduler instructions #5224

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merged 2 commits into from
May 7, 2022
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Update Ansible scheduler instructions #5224

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ac40b9d
Removed extraneous instruction
hunhoffe Apr 25, 2022
480af99
Add directions for scheduler without elasticsearch
hunhoffe Apr 25, 2022
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18 changes: 3 additions & 15 deletions ansible/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,8 @@ It will run one more component called "scheduler" and ETCD.
You can update service providers for the scheduler as follows.

**common/scala/src/main/resources/reference.conf**

If you are using ElasticSearch (recommended) then replace ```NoopDurationCheckerProvider``` with ```ElasticSearchDurationCheckerProvider``` below.
```
whisk.spi {
ArtifactStoreProvider = org.apache.openwhisk.core.database.CouchDbStoreProvider
Expand All @@ -169,27 +171,13 @@ whisk.spi {
AuthenticationDirectiveProvider = org.apache.openwhisk.core.controller.BasicAuthenticationDirective
InvokerProvider = org.apache.openwhisk.core.invoker.FPCInvokerReactive
InvokerServerProvider = org.apache.openwhisk.core.invoker.FPCInvokerServer
DurationCheckerProvider = org.apache.openwhisk.core.scheduler.queue.ElasticSearchDurationCheckerProvider
DurationCheckerProvider = org.apache.openwhisk.core.scheduler.queue.NoopDurationCheckerProvider
}
.
.
.
```

#### Configure akka dispatcher for the scheduler
Add a new dispatcher entry as follows.

**common/scala/src/main/resources/reference.conf**
```
lease-service-dispatcher {
executor = "thread-pool-executor"
type = PinnedDispatcher
}
.
.
.
```

#### Enable the scheduler
- Make sure you enable the scheduler by configuring `scheduler_enable`.

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