Hardware Guidelines for the SharePoint Online Index Server

Verify that the Index Server for SharePoint Online meets the hardware guidelines. The Index Server stores metadata, and provides browsing and searching of backed up SharePoint Online sites.

Component

Large

Medium

Small

Source application size

50 TB

20 TB

5 TB

Objects per node (estimated)*

2 billion

1 billion

350 million

Number of sites**

10,000

4000

1000

CPU, vCPU, and RAM

CPU or vCPU: 16 cores

RAM: 28 GB - 32 GB

CPU or vCPU: 8 cores

RAM: 16 GB

CPU or vCPU: 4 cores

RAM: 8 GB

Index disk space

(SSD class disk recommended)

3 TB

1.5 TB

500 GB

* Based on an average item size of 100 KB.

** Based on an average site size of 5 GB, and an average of 50,000 items per site.

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