[FIXED] System stability improvements on restarts with corrupt metadata. #3934
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Do not exit candidate state in place when stepping down, would cause double vote requests. When truncating our WAL make sure to adjust commit and applied as needed. On a miss where the index is less than ours, if we can not find the entry reset our state. For a vote, if last processed term is higher than ours always agree if no vote has been cast. If terms are equal make sure the requestor's index is at least as high as ours. If we decide not to vote for someone, and we have not voted and we are a better fit, move forward with a campaign. Signed-off-by: Derek Collison <derek@nats.io>
…rruption. We now check for orphaned streams or consumers in clustered mode after our metastate has recovered. Do not warn on failures for installing raft snapshots if this is due to the node being closed. During a stream update make sure to check to see if our group assignment has changed out from underneath of us. Stream info should always delay if we are not the leader. Could cause duplicate responses when it should not. Signed-off-by: Derek Collison <derek@nats.io>
Do not require force snapshots for all consumer deletes. Signed-off-by: Derek Collison <derek@nats.io>
Signed-off-by: Derek Collison <derek@nats.io>
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Signed-off-by: Derek Collison derek@nats.io