b5d38dcbd4
Support was added for this option [1] to avoid dataplane downtime during ovn upgrades where schema changes have happened. This adds the ability for us to configure it. [1] https://patchwork.ozlabs.org/project/ovn/patch/20220808182845.2746916-2-mmichels@redhat.com/ Change-Id: Ia3112b9a219b90af718c49776da49078449f09a2
12 lines
568 B
YAML
12 lines
568 B
YAML
---
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features:
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- |
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The new ``ovn::controller::ovn_ofctrl_wait_before_clear`` parameter
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has been added to resolve an issue with dataplane downtime during
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upgrades that involve OVN schema changes. It will delay delting and
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re-adding openflow rules by the configured time in ms to give
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ovn-controller time to handle db connection / reconnection that can
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happen in this case. The default of 8000ms is based on upstream OVN
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testing with 200k openflow rules. Since it involved a change in
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behavior, the upstream OVN value defaults to unset.
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