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Multi-cell tablet picker#6442

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deepthi merged 9 commits intovitessio:masterfrom
planetscale:ds-tablet-picker-multicell
Jul 17, 2020
Merged

Multi-cell tablet picker#6442
deepthi merged 9 commits intovitessio:masterfrom
planetscale:ds-tablet-picker-multicell

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@deepthi deepthi commented Jul 14, 2020

Currently vreplication uses a healthcheck-based tablet picker that is limited to one cell. This PR changes that to a simpler topology-based tablet_picker that can work cross-cell or via cell aliases.
The list of cells / aliases is provided to tablet picker when it is created.

deepthi added 7 commits July 13, 2020 18:36
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
Signed-off-by: deepthi <deepthi@planetscale.com>
@deepthi deepthi marked this pull request as ready for review July 16, 2020 01:04
@deepthi deepthi requested a review from sougou as a code owner July 16, 2020 01:04
@deepthi deepthi requested a review from rohit-nayak-ps July 16, 2020 01:04
Signed-off-by: deepthi <deepthi@planetscale.com>
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LGTM

@deepthi deepthi requested a review from zmagg July 16, 2020 19:30
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You can merge after fix suggested by @rohit-nayak-ps

Signed-off-by: deepthi <deepthi@planetscale.com>
@deepthi deepthi merged commit f3066ec into vitessio:master Jul 17, 2020
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deepthi commented Jul 17, 2020

All feedback was addressed before merging.

@deepthi deepthi deleted the ds-tablet-picker-multicell branch July 17, 2020 18:27
@deepthi deepthi added this to the v7.0 milestone Jul 17, 2020
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deepthi commented Jul 21, 2020

Should fix #6366, requires re-testing.

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3 participants