[202205] Use warm-boot infrastructure for fast-boot #12026
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This was referenced Sep 8, 2022
arfeigin
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vaibhavhd
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This PR is similar to #2286 This PR should be merged together with the sonic-sairedis PR (sonic-net/sonic-sairedis#1121) and sonic-buildimage PR (sonic-net/sonic-buildimage#12026). Improve fast-reboot flow by using warm-reboot infrastructure. Clear all routes except of default routes for faster reconciliation time. Verified by community fast-reboot test, manual testing.
vaibhavhd
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This PR is similar to #1100 This PR should be merged together with sonic-utilities PR (sonic-net/sonic-utilities#2365) and sonic-buildimage PR (sonic-net/sonic-buildimage#12026). Fast-reboot is utilizing warm-reboot infrastructure to improve its performance, but it should ignore warm-boot logic when syncd starts in fast-boot. As well it shouldn't use temporary view between init and apply.
skbarista
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Dec 2, 2022
This PR is similar to sonic-net#1100 This PR should be merged together with sonic-utilities PR (sonic-net/sonic-utilities#2365) and sonic-buildimage PR (sonic-net/sonic-buildimage#12026). Fast-reboot is utilizing warm-reboot infrastructure to improve its performance, but it should ignore warm-boot logic when syncd starts in fast-boot. As well it shouldn't use temporary view between init and apply.
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This PR is similar to #11594 - it is being raised as a different PR following discussion with Ying Xie.
This PR should be merged together with the sonic-utilities PR (sonic-net/sonic-utilities#2365) and sonic-sairedis PR (sonic-net/sonic-sairedis#1121).
Use redis contents from dump file in fast-reboot.
Why I did it
Improve fast-reboot flow by utilizing the warm-reboot infrastructure.
This followes https://github.com/sonic-net/SONiC/blob/master/doc/fast-reboot/Fast-reboot_Flow_Improvements_HLD.md
How I did it
Use redis contents from dump file in fast-reboot as it is being used in warm-reboot
How to verify it
Community test for fast-reboot
Which release branch to backport (provide reason below if selected)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)