Hardware requirements
Snow Owl with a co-located Elasticsearch cluster
For installations where Snow Owl and Elasticsearch are co-located, we recommend the following hardware specifications:
vCPU
8
8
Memory
32 GB
32 GB
I/O performance
>= 5000 IOPS SSD
>= 5000 IOPS SSD
Disk space
200 GB
200 GB
Snow Owl with a managed Elasticsearch cluster
For installations where Snow Owl connects to a managed Elasticsearch cluster at elastic.co we recommend the following hardware specifications:
vCPU
8 (compute optimized)
8
Memory
16 GB
16 GB
I/O performance
OS: balanced disk
TS file storage: local SSD
OS: HDD / SSD
TS file storage: SSD
Disk space
OS: 20 GB
TS file storage: 100 GB
OS: 20 GB
TS file storage: 100 GB
vCPU
8 (compute optimized)
Memory
4 GB
I/O performance
handled by elastic.co
Disk space
180 GB
In case Snow Owl is planned to be used with resource-intensive workloads (large code system upgrades, frequent classification of terminologies, bulk authoring) an 8 vCPU / 4 GB Elasticsearch cluster might not be sufficient. Consider increasing the size of the hosted Elasticsearch instance gradually, so that finding the sweet spot will be straightforward.
Cloud VMs
Here are a few examples of which Virtual Machine types could be used for hosting the Terminology Server at the three most popular Cloud providers (including but not limited to):
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