Auto refresh a list (say incident) every 1 minutes

[pooja111]

We have an requirement to auto refresh a list (say incident) every 1 minutes.

Is it advisable to implement this functionality ? If not, What are the disadvantage of implementing this ?

Any help is much appreciated.

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We want to do rest api call every minute (less then 5 min) from T connect portal to see the status of the incidents whenever an user is logged to T connect.

So if we will start polling every minute it will have any impact to the system and what kind of impact it will happen.

Do we have any KB or recommendation Doc for that please share with me?

Impact assessment based on the load which is mentioned in the below:

The team has started working on the auto-refresh feature this sprint. This feature will poll Service Central once every minute while a user is viewing an incident on their mobile device or browser. Eventually I think we will need a scalable solution for this that leverages push however for now I think polling is the only option that will meet our timelines.

Below are my estimations for the load we're likely to put on Service Central. Could you provide your view on whether these assumptions seem reasonable and whether you see any issues with this load in the short term?

Nadeesha has estimated the following customer growth:

November — 10

Dec — 34

Jan — 75

Feb — 85

Nadeesha estimates 8 users per company. Therefore, total users: 85 * 8 = 680

Assumption: 1 incident per week per customer

1 / 7 * 85 = 12.1429 incidents per day

Assumption: 1 person monitoring each incident for 1 hour per day

Assumption: monitoring window of 12 hours per day based on business hours from 8 am Australia to 5 pm Singapore

1. 12.1429 * 1 / 12 = 0.506 watches at any given time

Requirement: 1 minute auto-refresh rate

1. 0.506 requests per minute average load

Thanks in Advance.

[Laxmikanth]

Hi Sangeeta,

Please check the below threads

List layout auto refresh button using UI actions

Auto refresh list

Auto refresh lists

My personal opinion i would not recommend to have this as it can have an impact on the performance.

[brendanwilson84]

You can use a ui action

Select list action on insert and update, client as true

Onclick-   refreshCustomer()

Script

function refreshCustomer() {  

GlideList2.get("your_tablename").refresh();  

}  

setTimeout(function() {refreshCustomer(); }, 60000);  

Also you could use a dashboard type like single score report that updates in real time