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Nebula crash when configure firewall to accept raft election port #815

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yixinglu opened this issue Aug 21, 2019 · 1 comment
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Nebula crash when configure firewall to accept raft election port #815

yixinglu opened this issue Aug 21, 2019 · 1 comment

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@yixinglu
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Describe the bug(must be provided)

Nebula processes crash after accepting raft election port.

Your Environments(must be provided)

  • OS: CentOS
  • Compliler: Installed by RPM

How To Reproduce(must be provided)
Steps to reproduce the behavior:

  1. Make firewall block the raft election port(metad_port + 1).
  2. Configure metad multiple peers in nebula-metad.conf, set wal_ttl default value, start nebula processes.
  3. Then update firewall rule to accept the election port.
  4. Nebula processes crash

Expected behavior

Nebula metad work well.

Additional context

Clean the meta data and restart all nebula processes to fix it.

metad-crash
@dangleptr
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dangleptr commented Aug 21, 2019 •
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The reason is that WALs have been removed during this time. Leader has to send snapshot when catching up data, and the logic will be implemented in #795

@yixinglu yixinglu mentioned this issue Aug 26, 2019
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liwenhui-soul pushed a commit to liwenhui-soul/nebula that referenced this issue May 10, 2022
@Shylock-Hg
Experimental/optimizer symbols (vesoft-inc#815)
2d50ebd 
* Add constraint which group should output to same variable. Clone
PlanNode will output to new variable.

* Check input relationship of plan from transform.

* Collect boundary from MatchResult directly.
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@yixinglu @dangleptr