Backport upstream #16997 #565
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Signed-off-by: Eduardo J. Ortega U. <[email protected]>
timvaillancourt
approved these changes
Nov 25, 2024
tanjinx
approved these changes
Nov 25, 2024
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This backports vitessio#16997 to our fork's v15 branch. The information
below corresponds to what is recorded on the upstream PR:
Description
This PR changes ERS and PRS so that they prefer not promoting hosts that are currently taking backups.
The implementation follows what was suggesteed in the RFC of the issue (link below). Namely, the RPCs used to get information about candidates now include an extra field indicating whether they are running backups or not; and that is
used to order the list of promotion candidates.
Related Issue(s)
vitessio#16558
Checklist
Deployment Notes
N/A