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49 lines
1.8 KiB
YAML
49 lines
1.8 KiB
YAML
# Active/active eventual consistency (CRDT gossip). The server scales to any replica count
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# via DNS peer discovery; independent managed clients scale alongside it and each fail over
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# transparently. Dynamic Raft (strong) scaling is not supported here.
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#
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# Run from the repository root. Scale the servers, and with the clients profile the clients too:
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# docker compose -f samples/RedundantServer/Scale/docker-compose.yml up --build --scale server=5
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# docker compose -f samples/RedundantServer/Scale/docker-compose.yml --profile clients up --build --scale server=3 --scale client=2
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services:
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server:
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build:
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context: ../../..
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dockerfile: samples/RedundantServer/Dockerfile
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image: opcua-redundant-server
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environment:
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HA_MODE: aa
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HA_CONSISTENCY: eventual
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HA_PEER_DISCOVERY: dns
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HA_SERVICE_NAME: server
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HA_GOSSIP_PORT: "4840"
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entrypoint:
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- /bin/sh
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- -c
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- |
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export HA_HOST="$$(hostname)"
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export HA_NODE_ID="$${HA_NODE_ID:-$$(hostname)}"
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exec dotnet RedundantServer.dll --port 62543
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# Independent managed clients: each opts into WithServerRedundancy and fails over on its own,
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# so this scales to any count with --scale client=N (no shared client store needed). A
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# coordinated single-active client replica set instead uses AddRedundantClientSession + a
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# Raft client store (fixed quorum); see docs/HighAvailability.md. Part of the "clients"
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# profile so `up` without a profile runs the servers only.
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client:
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profiles: ["clients"]
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build:
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context: ../../..
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dockerfile: samples/RedundantClient/Dockerfile
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image: opcua-redundant-client
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depends_on:
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- server
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command:
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- "--server"
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- "opc.tcp://server:62543/RedundantServer"
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- "--autoaccept"
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- "--nosecurity"
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- "--duration"
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- "00:10:00"
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