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support for force-master-failover command#199
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Web interface will look like this:
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added 2 commits
June 8, 2017 10:45
…r into force-master-recovery
For masters: just fail over, or attempt to fail over onto specific instances. No more 'lite' recoveries. People really just want to fail over. For intermediate masters: 'relocate-replicas' instead of match* commands; no 'lite' option
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Nice! That's a good interface update, too. |
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Web interface simplified. For master, the "recover" options look like:
For intermediate master:
I completely removed the |
…r into force-master-recovery
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Even better 👍 |
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This PR introduces the
-c force-master-failovercommand.This tells
orchestratorto assume the master is dead, and that it should kick a full failover, by whatever means it finds necessary to promote a replica.Usage:
or
orchestratorwill figure out what the master is, shut its eyes and make pretend it'sdead, then kick a failover.Contrast with
force-master-takeoverwhere the user specifies the replica which must get promoted (more control but potentially more complicated for the user).Note: this PR extends #196
cc @github/database-infrastructure