[Merged by Bors] - Set explicit resources on all containers

[razvan]

Raise postgresql chart version.

Description

Part of: stackabletech/issues#394

Definition of Done Checklist

• Not all of these items are applicable to all PRs, the author should update this template to only leave the boxes in that are relevant
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1. Changes are OpenShift compatible
2. CRD changes approved
3. Helm chart can be installed and deployed operator works
4. Integration tests passed (for non trivial changes)

Reviewer

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1. Code contains useful comments
2. (Integration-)Test cases added
3. Documentation added or updated
4. Changelog updated
5. Cargo.toml only contains references to git tags (not specific commits or branches)

Acceptance

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1. Feature Tracker has been updated
2. Proper release label has been added

Once the review is done, comment bors r+ (or bors merge) to merge. Further information

[sbernauer]

• Change resource defaults
• Update docs with
  • default resources
  • What a minimal HA setup needs
• (optional) implement podOverrrides
  • docs
    • Link to concepts page
    • Document list of all configuration files that you can configure
    • Document list of (init + app) containers that users can configure using podOverrrides
    • Document if there are any things (e.g. superst init-db-job) that you can't influence using podOverrides
    • Document if there are any env variables that you can't influence using envOverrides, e.g. because k8s set's them or env var is set from entrypoint script (e.g. KERBEROS_REAL from /stackable/kerberos/krb5.conf)

[sbernauer]

I would rename the PR to Set explicit resources on all container

[sbernauer]

Thx!

[sbernauer]

Many thanks! LGTM when tests pass

[razvan]

All tests pass on AKS 1.26:

--- PASS: kuttl (484.15s)
    --- PASS: kuttl/harness (0.00s)
        --- PASS: kuttl/harness/logging_postgres-12.5.6_hive-2.3.9-stackable0.0.0-dev_openshift-false (83.63s)
        --- PASS: kuttl/harness/orphaned-resources_hive-latest-3.1.3-stackable0.0.0-dev (106.56s)
        --- PASS: kuttl/harness/resources_hive-3.1.3-stackable0.0.0-dev (32.01s)
        --- PASS: kuttl/harness/resources_hive-2.3.9-stackable0.0.0-dev (32.98s)
        --- PASS: kuttl/harness/cluster-operation_hive-latest-3.1.3-stackable0.0.0-dev (129.28s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-3.1.3-stackable0.0.0-dev_openshift-false_s3-use-tls-false (99.95s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-2.3.9-stackable0.0.0-dev_openshift-false_s3-use-tls-true (117.36s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-3.1.3-stackable0.0.0-dev_openshift-false_s3-use-tls-true (136.84s)
        --- PASS: kuttl/harness/logging_postgres-12.5.6_hive-3.1.3-stackable0.0.0-dev_openshift-false (83.30s)
        --- PASS: kuttl/harness/smoke_postgres-12.5.6_hive-2.3.9-stackable0.0.0-dev_openshift-false_s3-use-tls-false (117.46s)
PASS

[razvan]

bors merge

[bors]

Pull request successfully merged into main.

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• All tests passed

[sbernauer]

Two questions:

1. Will the Statefulset request a pvc in any case (e.g. the default config?
2. It seems a bit weird that vector get's the same resource as the hive container. We do also deviate from the pattern that "things that are breaking stuff when slow" have a ration of 2, this PR added a ration of 4. Was there any measurements to get to this cpu resources?

[razvan]

1. No. There is never a PVC created.
2. I thought the factor of 4 or 5 is a maximum limit not an fixed absolute value.

[sbernauer]

1. Awesome, thx!
2. It's a maximum limit we set ourselves, the 2 is just an idea that I personally had to guarantee that important stuff will keep running, even when the k8s cluster is heavily loaded