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Optimize loading performance for cri recover by linxiulei · Pull Request #6680 · containerd/containerd · GitHub
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Optimize loading performance for cri recover #6680
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Hi @linxiulei. Thanks for your PR. I'm waiting for a containerd member to verify that this patch is reasonable to test. If it is, they should reply with Once the patch is verified, the new status will be reflected by the I understand the commands that are listed here. 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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cc: @Random-Liu |
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estesp
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Mar 15, 2022
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Looks like the restart test doesn't like your changes to the reload/recover flow? |
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Silly me. The errgroup is supposed to not be reused after Wait() |
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fuweid
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Apr 6, 2022
fuweid
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rebase might fix the CI issue.
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fuweid
reviewed
Apr 7, 2022
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Build succeeded.
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Parallelizing them decreases loading duration. Time to complete recover(): * Without competing IOs + without opt: 21s * Without competing IOs + with opt: 14s * Competing IOs + without opt: 3m44s * Competing IOs + with opt: 33s Signed-off-by: Eric Lin <linxiulei@gmail.com>
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Build succeeded.
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fuweid
approved these changes
Apr 11, 2022
estesp
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Apr 11, 2022
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LGTM
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This PR tries to decrease time duration to recover when cri service is restarted. Time needed for cri service to load db/sandboxes/containers/images is significantly high when under IO pressure.
Time to complete recover():
Test environment:
fio --filename=file --size=100MB --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=3600 --numjobs=4 --time_based --group_reporting --name=iops-test-job --eta-newline=1