libcurl tell me error (No more connections allowed to host 192.168.10.3: 16)

General Issues and Bug Reporting
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1

I use the VaRest plugin to get data from the server, and when I have a lot of objects that are trying to request data, the following error is returned:

[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: HTTP request timed out after 180.00 seconds URL=http://192.168.10.3/api/v1/json/?method=tags_info&tag=20006195
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: HTTP request timed out after 180.00 seconds URL=http://192.168.10.3/api/v1/json/?method=tags_info&tag=20006199
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b5730: HTTP request timed out after 180.00 seconds URL=http://192.168.10.3/api/v1/json/?method=tags_info&tag=20006191
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b4e10: HTTP request timed out after 180.00 seconds URL=http://192.168.10.3/api/v1/json/?method=tags_info&tag=20006202
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: request failed, libcurl error: 0 (No error)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 0 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 1 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 2 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 3 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 4 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 5 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 6 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 7 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 8 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 9 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 10 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b2990: libcurl info message cache 11 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: request failed, libcurl error: 0 (No error)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 0 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 1 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 2 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 3 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 4 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 5 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 6 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 7 (No more connections allowed to host 192.168.10.3: 16)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 8 (No connections available.)
[2023.12.01-09.34.59:181][590]LogHttp: Warning: 0x7f8be96b0510: libcurl info message cache 9 (Found bundle for host 192.168.10.3: 0x7f8ca2ccad20 [serially])

How i can increase Max Connections on host?

2

This is not an error or problem on the side of the engine. The server API that you are contacting has a set connection pool. Once that runs out no further connections are made.

As for how to increase the connections it depends. Not sure exactly what the backend api is from the address, are you self hosting it on a local host with set IP?

Most exposed sites on the internet usually use https so it’s probably local.

Your connection limit may be in the API or a database depending on where the limit is being hit.

3

This is partially a local address. Thanks a lot for the answer, I’ll look in the API and tell you if I managed to fix it.

4

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It’s just that when the dedicated server starts, such a message appears, and I thought that I could increase it on my side in the editor,

5

The request timed out on the server’s side. Are you doing a lot of calculations or database queries on the other end?

Try posting the same request through a browser and see if you’ll get the same timouts.

6

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