fix 404 on vmware's site #1477
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fix 404 on vmware's site #1477
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| @@ -22,7 +22,7 @@ CHT Core 4.0.0 introduces [a new architecture]({{< relref "core/overview/archite | |||
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| Before getting into how the CHT horizontally scales, it should be well understood the importance of vertical scaling and what it is. This is the ability of the CHT to support more users by adding more RAM and CPU to either the bare-metal or virtual machine host. This ensures key services like API, Sentinel and, most importantly, CouchDB, can operate without performance degradation. | |||
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| When thousands of users are simultaneously trying to synchronize with the CHT, the load can overwhelm CouchDB. As discovered [through extensive research](https://forum.communityhealthtoolkit.org/t/how-we-tested-scalability-of-cht-infrastructure/1532) and [large production deployments](https://github.com/medic/cht-core/issues/8324#issuecomment-1691411542), administrators will start to see errors in their logs and end users will complain of slow sync times. Before moving to more CouchDB nodes, administrators should consider adding more RAM and CPU to the single server where the CHT is hosted. This applies to both CHT 3.x and CHT 4.x. Given the ease of allocating more resources, presumably in virtualized environment like [EC2](https://aws.amazon.com/ec2/), [Proxmox](https://www.vmware.com/content/vmware/vmware-published-sites/us/products/esxi-and-esx.html.html) or [ESXi](https://www.vmware.com/content/vmware/vmware-published-sites/us/products/esxi-and-esx.html.html), this is much easier than moving [from a single to multi-node CouchDB instance]({{< relref "hosting/4.x/data-migration" >}}). | |||
| When thousands of users are simultaneously trying to synchronize with the CHT, the load can overwhelm CouchDB. As discovered [through extensive research](https://forum.communityhealthtoolkit.org/t/how-we-tested-scalability-of-cht-infrastructure/1532) and [large production deployments](https://github.com/medic/cht-core/issues/8324#issuecomment-1691411542), administrators will start to see errors in their logs and end users will complain of slow sync times. Before moving to more CouchDB nodes, administrators should consider adding more RAM and CPU to the single server where the CHT is hosted. This applies to both CHT 3.x and CHT 4.x. Given the ease of allocating more resources, presumably in virtualized environment like [EC2](https://aws.amazon.com/ec2/), [Proxmox](https://www.vmware.com/content/vmware/vmware-published-sites/us/products/esxi-and-esx.html.html) or [ESXi](https://www.vmware.com/products/cloud-infrastructure/esxi-and-esx), this is much easier than moving [from a single to multi-node CouchDB instance]({{< relref "hosting/4.x/data-migration" >}}). | |||
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@mrjones-plip , I am not able to access the Proxmox link.
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ah - thanks! should be fixed in ac1c70b
esthermmoturi
approved these changes
Aug 14, 2024
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Description
per CI link check
License
The software is provided under AGPL-3.0. Contributions to this project are accepted under the same license.