Sammi Chen created RATIS-2507:
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Summary: Ratis server should terminate when RaftLog end log index
is smaller than last snapshot index during startup
Key: RATIS-2507
URL: https://issues.apache.org/jira/browse/RATIS-2507
Project: Ratis
Issue Type: Bug
Reporter: Sammi Chen
Assignee: Sammi Chen
RaftLog end log index is smaller than last snapshot index during RaftServer
startup, it indicates that raft log state and state machine state is
inconsistent.
In this case, it's better to terminate the RaftServer, instead of currently log
a WARN message and continue.
A real case, is an OM failed to install snapshot and terminate itself. The on
disk state machine state(rocksdb) and raft log files are from different source,
state machine data from leader, raft log files are local, and snapshot index
get from state machine is bigger than raft log end index, which further cause
another issue.
Refer to https://issues.apache.org/jira/browse/HDDS-15103 to get more info.
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