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Add exponential backoff for informer watch reconnects - #4895

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brendandburns:fix-informer-watch-backoff
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Add exponential backoff for informer watch reconnects#4895
brendandburns wants to merge 1 commit into
kubernetes-client:masterfrom
brendandburns:fix-informer-watch-backoff

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@brendandburns

@brendandburns brendandburns commented Sep 1, 2026

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Splits informer watch reconnect backoff changes out of #4892.

Summary

  • add exponential backoff for transient watch connection failures
  • reset backoff at the appropriate run/watch boundaries
  • stop retrying promptly when interrupted
  • tighten and stabilize backoff tests
  • add end-to-end coverage for recovery from initial connection failures

Validation

  • ./mvnw -q -pl util,e2e -am compile test-compile -DskipTests

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kubernetes-prow Bot requested a review from yue9944882 September 1, 2026 19:10
@kubernetes-prow kubernetes-prow Bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Sep 1, 2026
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linux-foundation-easycla Bot commented Sep 1, 2026 •
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CLA Signed
The committers listed above are authorized under a signed CLA.

  • ✅ login: brendandburns / name: Brendan Burns (9077a06)

@kubernetes-prow kubernetes-prow Bot added cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Sep 1, 2026
@brendandburns
Add exponential backoff for informer watch reconnects
9077a06 
Retry transient informer watch connection failures with bounded exponential backoff, interruption handling, and coverage.
@brendandburns
brendandburns force-pushed the fix-informer-watch-backoff branch from d01101e to 9077a06 Compare September 1, 2026 19:20
@kubernetes-prow kubernetes-prow Bot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. and removed cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. labels Sep 1, 2026
yue9944882
yue9944882 reviewed Sep 4, 2026
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/lgtm
/approve

@kubernetes-prow kubernetes-prow Bot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Sep 4, 2026
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kubernetes-prow Bot commented Sep 4, 2026

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: brendandburns, yue9944882

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  • OWNERS [brendandburns,yue9944882]

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@kubernetes-prow kubernetes-prow Bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Sep 4, 2026
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kubernetes-prow Bot commented Sep 4, 2026

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PR needs rebase.

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kubernetes-prow Bot commented Sep 4, 2026

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PR needs rebase.

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