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Indexes
Since indexes have no guaranteed relationship with the data on the master we may be better off rebuilding them elsewhere to mitigate the incast problem.
- Master will have data that doesn't appear in its indexes.
- Implies we must refetch all the index data from those master's to rebuild.
- Other master's will have data in which this master's data appears.
Walkthrough
Total crash; no battery backup
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- Reduced performance is even ok because otherwise we cannot service requests at all during Phase 2.
newer stuff at IndexRecovery
Problem: Incast + processing time is substantially longer than Phase 1.
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