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Ping on revival
editPing on revival
editWhen a node is marked dead it will only be put in the dog house for a certain amount of time. Once it comes out of the dog house, or revived, a ping is scheduled before an actual API call, to ensure that it’s up and running. If it’s still down, it’s put back in the dog house a little longer.
Take a look at the Request timeouts for an explanation on what each timeout is.
var audit = new Auditor(() => Framework.Cluster
.Nodes(3)
.ClientCalls(r => r.SucceedAlways())
.ClientCalls(r => r.OnPort(9202).Fails(Once))
.Ping(p => p.SucceedAlways())
.StaticConnectionPool()
.AllDefaults()
);
audit = await audit.TraceCalls(
new ClientCall { { PingSuccess, 9200 }, { HealthyResponse, 9200 } },
new ClientCall { { PingSuccess, 9201 }, { HealthyResponse, 9201 } },
new ClientCall {
{ PingSuccess, 9202},
{ BadResponse, 9202},
{ HealthyResponse, 9200},
{ pool => pool.Nodes.Where(n=>!n.IsAlive).Should().HaveCount(1) }
},
new ClientCall { { HealthyResponse, 9201 } },
new ClientCall { { HealthyResponse, 9200 } },
new ClientCall { { HealthyResponse, 9201 } },
new ClientCall {
{ HealthyResponse, 9200 },
{ pool => pool.Nodes.First(n=>!n.IsAlive).DeadUntil.Should().BeAfter(DateTime.UtcNow) }
}
);
audit = await audit.TraceCalls(
new ClientCall { { HealthyResponse, 9201 } },
new ClientCall { { HealthyResponse, 9200 } },
new ClientCall { { HealthyResponse, 9201 } }
);
audit.ChangeTime(d => d.AddMinutes(20));
audit = await audit.TraceCalls(
new ClientCall { { HealthyResponse, 9201 } },
new ClientCall {
{ Resurrection, 9202 },
{ PingSuccess, 9202 },
{ HealthyResponse, 9202 }
}
);