Deployment Architecture
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Splunk 5 clusters

Contributor

I've heard that splunk 5 clusters do not work well when the nodes are separated over distances (like a WAN). Why is that? Would it make a difference to the cluster if we had a high speed connection (line 100mbps) between two data centers? What are other limitations to clustering across multiple data centers?

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Re: Splunk 5 clusters

Splunk Employee
Splunk Employee

From the System requirements and other deployment considerations topic in the Managing Indexers and Clusters manual:

"With sufficiently high-quality connections, it is possible to deploy the cluster across data centers. However, in the current version of Splunk, the cluster is not site-aware. For example, in a scenario where you have peer nodes spread across two data centers, you cannot specify that one replicated copy of the cluster data reside on nodes in one data center and a second copy reside on nodes in a second data center. When the master determines how some set of data gets replicated across the cluster, it does not take peer location into consideration."

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Re: Splunk 5 clusters

Ultra Champion

Have you gotten to test it yet? If so, what was your experience?

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