Merge pull request #45568 from walidghallab/jobs

Fix documentation for parallel processing work queue tasks.
pull/45622/head
Kubernetes Prow Robot 2024-03-20 17:28:17 -07:00 committed by GitHub
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2 changed files with 8 additions and 2 deletions

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@ -84,7 +84,7 @@ Next install the `amqp-tools` so you can work with message queues.
The next commands show what you need to run inside the interactive shell in that Pod:
```shell
apt-get update && apt-get install -y curl ca-certificates amqp-tools python dnsutils
apt-get update && apt-get install -y curl ca-certificates amqp-tools python3 dnsutils
```
Later, you will make a container image that includes these packages.

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@ -59,6 +59,12 @@ You could also download the following files directly:
- [`rediswq.py`](/examples/application/job/redis/rediswq.py)
- [`worker.py`](/examples/application/job/redis/worker.py)
To start a single instance of Redis, you need to create the redis pod and redis service:
```shell
kubectl apply -f https://k8s.io/examples/application/job/redis/redis-pod.yaml
kubectl apply -f https://k8s.io/examples/application/job/redis/redis-service.yaml
```
## Filling the queue with tasks
@ -171,7 +177,7 @@ Since the workers themselves detect when the workqueue is empty, and the Job con
know about the workqueue, it relies on the workers to signal when they are done working.
The workers signal that the queue is empty by exiting with success. So, as soon as **any** worker
exits with success, the controller knows the work is done, and that the Pods will exit soon.
So, you need to set the completion count of the Job to 1. The job controller will wait for
So, you need to leave the completion count of the Job unset. The job controller will wait for
the other pods to complete too.
## Running the Job