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Fix raft applied index out of range #880
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zzy96
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fix raft applied index out of range
Fix raft applied index out of range
Nov 19, 2019
jbhurat
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Nov 26, 2019
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LGTM
trung
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Nov 27, 2019
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LGTM
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Fix #845
In raft mode,
hard state
&entries
are written into WAL before raft entries are processed, butapplied index
is written into the node's local level db only after completion of processing each raft entry. If a node is stopped/ restarted during a large list of entries under processing (particularly when callingapplyRaftSnapshot
which takes time to sync blocks from peers).hard state
&entries
are moving forward butapplied index
is not updated.This fix can successfully recover the node from
applied out of range
panic state by resettinglast applied index
tolast persisted applied index
from WAL on raft restart.