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Batch EC2 DescribeSnapshots #1958

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merged 2 commits into from
Mar 13, 2024

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AndrewSirenko
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@AndrewSirenko AndrewSirenko commented Mar 6, 2024

Is this a bug fix or adding new feature?
Feature

What is this PR about? / Why do we need it?
Coalesces EC2 DescribeSnapshots calls across CreateSnapshot/DeleteSnapshot/ListSnapshots RPCs by Snapshot ID or by tag.

This decreases the likelihood of being exceeding one's Non-mutating API request token limit when creating many snapshots at once, which may impact all driver RPCs (ie being throttled for making too manyDescribe* calls).

What testing is done?

Manual testing on modified Volume Snapshots example to check that calls were batched.

TODO manual testing on ListSnapshots RPC.

possible snapshot scalability test. We would tune snapshot batcher maxDelays based on these tests. Offline decided to start with conservative maxDelay, and tune once snapshot scalability tests are prioritized.

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@k8s-ci-robot k8s-ci-robot added the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Mar 6, 2024
@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Mar 6, 2024
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github-actions bot commented Mar 6, 2024

Code Coverage Diff

File Old Coverage New Coverage Delta
github.com/kubernetes-sigs/aws-ebs-csi-driver/pkg/cloud/cloud.go 82.9% 83.7% 0.8

@AndrewSirenko AndrewSirenko changed the title [WIP] Batch EC2 DescribeSnapshots Batch EC2 DescribeSnapshots Mar 6, 2024
@k8s-ci-robot k8s-ci-robot removed the do-not-merge/work-in-progress Indicates that a PR should not merge because it is a work in progress. label Mar 6, 2024
@AndrewSirenko
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/hold

Holding until we decide on Snapshot scalability tests.

@k8s-ci-robot k8s-ci-robot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Mar 6, 2024
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+1 to increasing the max batch value to 1000, otherwise lgtm!
/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 11, 2024
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 11, 2024
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/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 12, 2024
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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: torredil

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Mar 12, 2024
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/unhold

@k8s-ci-robot k8s-ci-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Mar 12, 2024
@k8s-ci-robot k8s-ci-robot merged commit e01f59b into kubernetes-sigs:master Mar 13, 2024
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4 participants