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BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle #345

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merged 1 commit into from Aug 24, 2020
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BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle #345

merged 1 commit into from Aug 24, 2020

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Danil-Grigorev
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@Danil-Grigorev Danil-Grigorev commented Aug 12, 2020 •
edited

Reduce default lease retry rate on 30s which will prevent from heavy writes into etcd at idle, and constrain renew deadline on 90s.

Inspired by openshift/cloud-credential-operator#231
Depends on openshift/machine-api-operator#675

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@Danil-Grigorev: This pull request references Bugzilla bug 1858400, which is valid. The bug has been updated to refer to the pull request using the external bug tracker.

3 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target release (4.6.0) matches configured target release for branch (4.6.0)
  • bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, ON_DEV, POST, POST)

In response to this:

BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle

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 bugzilla/severity-high Referenced Bugzilla bug's severity is high for the branch this PR is targeting. bugzilla/valid-bug Indicates that a referenced Bugzilla bug is valid for the branch this PR is targeting. labels Aug 12, 2020
@elmiko elmiko mentioned this pull request Aug 12, 2020
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@Danil-Grigorev: This pull request references Bugzilla bug 1858400, which is valid.

3 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target release (4.6.0) matches configured target release for branch (4.6.0)
  • bug is in the state POST, which is one of the valid states (NEW, ASSIGNED, ON_DEV, POST, POST)

In response to this:

BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle

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.

@Danil-Grigorev
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/retest

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@Danil-Grigorev
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/retest

@Danil-Grigorev
Slow the default lease retry and renew rate for machine controller
7ccf749 
Prevent machine controllers from writing in etcd at idle too often
by setting 120s lease, 20s retry and 110s deadline on all renewals.
Higher values cause tests to flake.
BZ 1858403
@Danil-Grigorev
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/retest

michaelgugino
michaelgugino approved these changes Aug 19, 2020
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/lgtm

@openshift-ci-robot openshift-ci-robot added the lgtm Indicates that a PR is ready to be merged. label Aug 19, 2020
elmiko
elmiko approved these changes Aug 20, 2020
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/approve

@openshift-ci-robot openshift-ci-robot mentioned this pull request Aug 20, 2020
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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: elmiko, JoelSpeed

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@openshift-ci-robot openshift-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Aug 24, 2020
@JoelSpeed
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/retest

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/retest

Please review the full test history for this PR and help us cut down flakes.

4 similar comments
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/retest

Please review the full test history for this PR and help us cut down flakes.

@openshift-bot
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/retest

Please review the full test history for this PR and help us cut down flakes.

@openshift-bot
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/retest

Please review the full test history for this PR and help us cut down flakes.

@openshift-bot
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/retest

Please review the full test history for this PR and help us cut down flakes.

@openshift-merge-robot openshift-merge-robot merged commit fbec5ac into openshift:master Aug 24, 2020
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@Danil-Grigorev: All pull requests linked via external trackers have merged:

Bugzilla bug 1858400 has been moved to the MODIFIED state.

In response to this:

BUG 1858400: [Performance] Lease refresh period for machine-api-controllers is too high, causes heavy writes to etcd at idle

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 mentioned this pull request Aug 31, 2020
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@elmiko elmiko elmiko approved these changes

@michaelgugino michaelgugino michaelgugino approved these changes

@enxebre enxebre Awaiting requested review from enxebre

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