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New balancer implementation: consistent hash subset #3396

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merged 1 commit into from
Jan 4, 2019
Merged

New balancer implementation: consistent hash subset #3396

merged 1 commit into from
Jan 4, 2019

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diegows
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@diegows diegows commented Nov 11, 2018

What this PR does / why we need it:
Add Consistent hash balancing to a subset of nodes. It provides the benefits of consistent hashing, but also providing some load balance between some nodes.

@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Nov 11, 2018
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diegows commented Nov 11, 2018

/retest

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@diegows any specific reason you're using different packages per annotation? Why do you not use existing internal/ingress/annotations/upstreamhashby/ to parse the two new annotations you're introducing?

@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. labels Nov 27, 2018
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diegows commented Nov 27, 2018
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@diegows any specific reason you're using different packages per annotation? Why do you not use existing internal/ingress/annotations/upstreamhashby/ to parse the two new annotations you're introducing?

No reason, fixed following the coding standards.

docs/examples/chashsubset/deployment.yaml Outdated Show resolved Hide resolved
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diegows commented Nov 27, 2018

Thanks for your detailed review @ElvinEfendi. Addressed some of the issues, I hope I can finish everything before the end of the week.

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aledbf commented Nov 30, 2018

@diegows please squash the commits and rebase from master (we fix several e2e flakiness)

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diegows commented Dec 9, 2018

@aledbf @ElvinEfendi Squashed and rebased. I've applied all the feedback you suggested, improved the code, added e2e test. Let me know how it looks now. Thanks!

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/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added lgtm "Looks good to me", indicates that a PR is ready to be merged. approved Indicates a PR has been approved by an approver from all required OWNERS files. and removed lgtm "Looks good to me", indicates that a PR is ready to be merged. labels Dec 22, 2018
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ElvinEfendi commented Jan 2, 2019 •
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@diegows please squash your commits into one, we can then merge this.

@k8s-ci-robot k8s-ci-robot added size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Jan 3, 2019
@diegows diegows force-pushed the master branch 2 times, most recently from 0765feb to c68cae3 Compare January 3, 2019 04:10
@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. and removed size/XXL Denotes a PR that changes 1000+ lines, ignoring generated files. labels Jan 3, 2019
@diegows
Consistent hashing to a subset of nodes. It works like consistent hash,
60b9835 
but instead of mapping to a single node, we map to a subset of nodes.
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/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jan 4, 2019
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: diegows, ElvinEfendi

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@k8s-ci-robot k8s-ci-robot merged commit 2c3ce07 into kubernetes:master Jan 4, 2019
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