The response for updating a field can sometimes take up to 12 seconds . Too slow

I am working on a home control system .i am using the thingSpeak server to control Nodemcu . The problem is that once i send the GET request to update a specific field it can take up to 12 seconds. And this is so slow. My question is , does this happen with other people before or am i doing something wrong.

Answer 1

[Vinod]

ThingSpeak has an operational metric to respond to requests to update a channel within a few hundred milleseconds of receiving the request. We monitor this metric daily. However, the connectivity to ThingSpeak servers is outside of our control. So, if you have a slow internet connection, or a general lack of network bandwidth on account of use by other processes, it is possible it takes a while for your request to make its way from you device to the ThingSpeak server.

One suggestion I can make is to try the MQTT API to update your ThingSpeak channel. MQTT is a more efficient protocol for machine-to-machine data. Take a look at the API and examples if you need a starting point.

[salaheddine alshawwa]

i do not thnik that the connection is the problem .because i get 200 response each time i send the request. i have deployed a RestApi on heroku to send the request to the thinggsspeak. and the response time for mhy api is very good it works perfectly fine on everything else. also sometimes the i get 200 and the field is not updated, to solve this i am looping each time i am sending a request to read, and if aafter 5 second the field is not updated i do another request.

[Vinod]

With a free license of ThingSpeak you can only update a channel every 15 seconds. How frequently are you updating the channel from your device?

To achieve update rates of up to once per second per channel, you must purchase a ThingSpeak license.

[salaheddine alshawwa]

Well , this for a graduation project , i have an android app that i manually update the field. But for that i integrated a function in my APi to keep reading the field , and after 5 secs of not responding it will send new request.

[Vinod]

Unless you've purchased a license, 2 out of 3 of your requests will get a 200 status code with a 0 return value indicating the data was rejected. You're just wasting resources on your device and on ThingSpeak with these requests.

Only one point every 15 seconds will be stored, and you will get a positive number corresponding to the entry id back.

[salaheddine alshawwa]

ok thank you i will take this inti account