I have some not really stable network across different geo locations
(different hemispheres actually) and from time to time my actor cluster
falls apart.
I wrote bunch of event interceptors for quarantine events and the system is
more or less operable (less than 10% of nodes are off-cluster at any given
mode, they can detect the failures and quarantine events and restart
themselves), and task recovery is performed really well. But recently I
started to observe a lots of restarts for the systems. Is there any way to
make the cluster more stable? Below is my config:
akka {
actor {
provider = "akka.cluster.ClusterActorRefProvider"
}
remote {
log-remote-lifecycle-events = on
log-sent-messages = off
log-received-messages = off
netty.tcp {
hostname = "127.0.0.1"
port = 0
}
watch-failure-detector {
threshold = 12
heartbeat-interval = 10 s
acceptable-heartbeat-pause = 60 s
}
}
cluster {
seed-nodes = ["akka.tcp://[email protected]:12551"]
auto-down-unreachable-after = 10s
failure-detector {
threshold = 12
acceptable-heartbeat-pause = 60 s
heartbeat-interval = 10 s
}
use-dispatcher = cluster-dispatcher
}
contrib.cluster.pub-sub {
name = distributedPubSubMediator
role = ""
routing-logic = broadcast
gossip-interval = 1s
removed-time-to-live = 120s
max-delta-elements = 3000
}
loggers = ["akka.event.slf4j.Slf4jLogger"]
loglevel = "DEBUG"
}
singleton-dispatcher {
fork-join-executor.parallelism-min = 1
fork-join-executor.parallelism-max = 1
}
cluster-dispatcher {
type = "Dispatcher"
executor = "fork-join-executor"
fork-join-executor {
parallelism-min = 2
parallelism-max = 4
}
}
Thanks!
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