NRG: Wait for goroutines to shutdown when recreating group #5832
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This should fix some logical races where multiple sets of goroutines can fight over the same store directory, i.e. when shutting down and recreating a group rapidly. Signed-off-by: Neil Twigg <[email protected]>
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Have rebased, this one is ready for review. |
| if node := s.lookupRaftNode(rg.Name); node != nil { | ||
| if node.State() == Closed { |
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Feels like there may be a better approach here.
Also I think we need to check that the peer lists are the same if we are going to re-use.
| // Wait for goroutines to shut down before trying to clean up | ||
| // the log below, otherwise we might end up deleting the store | ||
| // from underneath running goroutines. | ||
| n.Unlock() |
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We have these patterns for sure elsewhere but I try hard to avoid them if at all possible.
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This should fix some logical races where multiple sets of goroutines can fight over the same store directory, i.e. when shutting down and recreating a group rapidly.
Signed-off-by: Neil Twigg [email protected]