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OCPBUGS-13065: Do not rollback settings on TuneD exit #699

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jmencak
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@jmencak jmencak commented Jun 28, 2023

Settings rollbacks on TuneD exit in the OCP environment are generally a bad idea. They can cause issues ranging from latency spikes to a complete loss of service (see OCPBUGS-13065). Do not perform rollbacks apart from when switching Profiles.

Other changes:

  • Changed rollback.go e2e tests to reflect the new rollback=not_on_exit behaviour.
  • A minor change in examples/ingress.yaml to simplify necessary adjustments in rollback.go.

Resolves: OCPBUGS-13065

Settings rollbacks on TuneD exit in the OCP environment are generally a
bad idea.  They can cause issues ranging from latency spikes to a
complete loss of service (see OCPBUGS-13065).  Do not perform rollbacks
apart from when switching Profiles.

Other changes:
  - Changed "rollback.go" e2e tests to reflect the new "rollback=not_on_exit"
    behaviour.

Resolves: OCPBUGS-13065
@openshift-ci-robot openshift-ci-robot added jira/severity-critical Referenced Jira bug's severity is critical for the branch this PR is targeting. jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. labels Jun 28, 2023
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@jmencak: This pull request references Jira Issue OCPBUGS-13065, which is valid. The bug has been moved to the POST state.

3 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (4.14.0) matches configured target version for branch (4.14.0)
  • bug is in the state ASSIGNED, which is one of the valid states (NEW, ASSIGNED, POST)

No GitHub users were found matching the public email listed for the QA contact in Jira (liqcui@redhat.com), skipping review request.

The bug has been updated to refer to the pull request using the external bug tracker.

In response to this:

Settings rollbacks on TuneD exit in the OCP environment are generally a bad idea. They can cause issues ranging from latency spikes to a complete loss of service (see OCPBUGS-13065). Do not perform rollbacks apart from when switching Profiles.

Other changes:

  • Changed rollback.go e2e tests to reflect the new rollback=not_on_exit behaviour.
  • A minor change in examples/ingress.yaml to simplify necessary adjustments in rollback.go.

Resolves: OCPBUGS-13065

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@openshift-ci-robot openshift-ci-robot added the jira/valid-bug Indicates that a referenced Jira bug is valid for the branch this PR is targeting. label Jun 28, 2023
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openshift-ci bot commented Jun 28, 2023

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jmencak

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@openshift-ci openshift-ci bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jun 28, 2023
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jmencak commented Jun 28, 2023

/retest

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jmencak commented Jun 29, 2023

@liqcui , just FYI if you want to do any pre-merge testing for this to validate OCPBUGS-13065 is fixed.

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liqcui commented Jun 30, 2023

/lgtm

Pre-merge testing passed, compared with 4.11.44, the sysctl settings rollback to default value in 4.11.44, but new PR code didn't rollback. work as expect

@openshift-ci openshift-ci bot added the lgtm Indicates that a PR is ready to be merged. label Jun 30, 2023
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/retest-required

Remaining retests: 0 against base HEAD bd6c4de and 2 for PR HEAD c4f0bd1 in total

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jmencak commented Jun 30, 2023

/retest

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jmencak commented Jun 30, 2023

This test already passed with this PR:

/override ci/prow/e2e-hypershift

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openshift-ci bot commented Jun 30, 2023

@jmencak: Overrode contexts on behalf of jmencak: ci/prow/e2e-hypershift

In response to this:

This test already passed with this PR:

/override ci/prow/e2e-hypershift

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

@openshift-merge-robot openshift-merge-robot merged commit 4397794 into openshift:master Jun 30, 2023
13 checks passed
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@jmencak: Jira Issue OCPBUGS-13065: All pull requests linked via external trackers have merged:

Jira Issue OCPBUGS-13065 has been moved to the MODIFIED state.

In response to this:

Settings rollbacks on TuneD exit in the OCP environment are generally a bad idea. They can cause issues ranging from latency spikes to a complete loss of service (see OCPBUGS-13065). Do not perform rollbacks apart from when switching Profiles.

Other changes:

  • Changed rollback.go e2e tests to reflect the new rollback=not_on_exit behaviour.
  • A minor change in examples/ingress.yaml to simplify necessary adjustments in rollback.go.

Resolves: OCPBUGS-13065

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

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openshift-ci bot commented Jun 30, 2023

@jmencak: all tests passed!

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

@jmencak jmencak deleted the 4.14-OCPBUGS-13065-rollbacks branch June 30, 2023 13:41
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4 participants