Convert to cluster with zero down time

EventStoreDB
1

I’m running a single instance of EventStore and want to convert to cluster setup without losing data with zero down time.

Is there a way to convert single to multi-cluster without down time?

One of the reasons for doing so is that I am intending to change server hosting so my plan is to add new nodes to existing setup then remove the old node.

2

Is it that impossible? :slight_smile:

3

I suspect the easier way would be to spin up the new environment and then read the events out of the old node into the cluster, but I am very new to using this system.

4

I suspect the easier way would be to spin up the new environment and then read the events out of the old node into the cluster, but I am very new to using this system.

Is it that impossible? :slight_smile:

I’m running a single instance of EventStore and want to convert to cluster setup without losing data with zero down time.

Is there a way to convert single to multi-cluster without down time?

One of the reasons for doing so is that I am intending to change server hosting so my plan is to add new nodes to existing setup then remove the old node.

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5

It will. Wait until 2 clones come up. Kill the main node bring it back up with cluster size changed, rinse, repeat. You will have a cluster of 3 with minimal downtime shortly.

6

Config is something similar to this:

Db: E:\EventStoreData

Log: D:\

ExtIp: 0.0.0.0

IntTcpPort: 1113

ExtTcpPort: 1113

IntHttpPrefixes: [“http://*:2113/”]

ExtHttpPrefixes: [“http://*:2113/”]

StatsPeriodSec: 3600

PrepareTimeoutMs: 4000

CommitTimeoutMs: 4000

IntTcpHeartbeatTimeout: 1500

ExtTcpHeartbeatTimeout: 2000

SkipDbVerify: False