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How many max connections of SFTP can be established at the same time?
Does the component have already managed all threads , memories and the other resources?
Has it a better performance in linux than in windows?

I want to develop a sftp server Soft, but I doubt its performance, especially about the max connections at the same time.
Anything about to have a good performance, please tell me.
Waiting for your reply, thanks.

SecureBridge does not have its limitations, so the only limitation is the limitation imposed by the operating system used on the maximum number of created threads.
Working with threads, memory and resources is managed by our components.
We did not compare performance when working on Linux and Windows, because the results can be affected not only by SecureBridge code, but also by the architecture of working with sockets and files in the OS itself.
You can download SecureBridge по ссылке: https://devart.com/sbridge/download.html and test the required functionality.
To test the TScSFTPServer component, you can use our SimpleSSHServer demo project. You can find the demo project in the %SecureBridgeDemos%\SimpleSSHServer directory. %SecureBridgeDemos% is the SecureBridge Demo projects installation path on your computer.
To start SFTP server it's enough to place the TScSFTPServer component onto the form and set this component to the TScSSHServer.SFTPServer property.

>>Working with threads, memory and resources is managed by our components.
So it means that this component will create the thread if necessary? It have already accept 100 connections from different clients?

>>We did not compare performance when working on Linux and Windows
You can still comparer the performance between windows and linux, with those empty/new environments.

Thanks!

Yes, if necessary, the component will independently create the required threads.
As we already mentioned, SecureBridge does not have its limitations, so the only limitation is the limitation imposed by the operating system used on the maximum number of created threads. Therefore, the exact values are chosen independently empirically.
As we have already mentioned, we did not compare performance when working on Linux and Windows, because the results can be affected not only by SecureBridge code, but also by the architecture of working with sockets and files in the OS itself.