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[wip] kvserver: reproduce cluster-wide outage if liveness leaseholder deadlocks #79648

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[wip] kvserver: reproduce cluster-wide outage if liveness leaseholder deadlocks #79648

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@tbg tbg commented Apr 8, 2022 •
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This provides a reproduction of (internal) https://github.com/cockroachlabs/support/issues/1520.

Usage:

./run.sh

# wait for all replicas to have upreplicated, 1-2 minutes

pkill -HUP cockroach

# liveness should go dark, cluster unavailable
# search for the log line "deadlocking liveness leaseholder"
# and note the nodeID. Upon killing that node, the cluster
# will be healthy again.

Release note: None

@tbg
[wip] kvserver: reproduce cluster-wide outage if liveness leaseholder…
6562b30 
… deadlocks

This provides a reproduction of (internal) cockroachlabs/support#1520.

Usage:

```
./run.sh

pkill -HUP cockroach

```

Release note: None
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@joshimhoff joshimhoff mentioned this pull request Apr 8, 2022
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@tbg tbg mentioned this pull request Apr 28, 2022
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@tbg tbg closed this May 4, 2022
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